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get a 100% Free Cold Email Toolkit!
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27 Best Bulk Email Sender Tools for Unstoppable Cold Outreach Success
27 Best Bulk Email Sender Tools for Unstoppable Cold Outreach Success
27 Best Bulk Email Sender Tools for Unstoppable Cold Outreach Success
Tools List
Tools List
Tools List
Jan 24, 2025
Cold email outreach can be an effective way to grow your business. But it can also be a real headache. You want to get emails out to as many prospects as possible to increase your chances of conversion. But if you send too many emails simultaneously, you risk getting marked as a spammer and ruining your outreach efforts. This is where the best bulk email sender can help. This article will explore the best bulk email tools to help you effortlessly scale cold outreach campaigns, maximize response rates, and drive meaningful business growth. Stay tuned to learn more cold emails tips.
Inframail's email infrastructure solution is excellent for achieving your cold emailing objectives. With Inframail, you can build a bulk email-sending solution tailored to your needs, sending thousands of emails daily without sacrificing deliverability.
Table of Contents
What is the Best Way to Send Bulk Emails?
Bulk emails, or mass emails, let you reach many contacts simultaneously. This can be useful for organizations of all sizes that want to send the same message to many recipients—whether to:
Share company news
Promote a sale
Reach out to potential customers
Instead of sending individual emails to each contact, you can quickly send one bulk email that reaches them all simultaneously. For businesses, this helps to improve communication and saves time. Instead of spending hours or days sending emails to many different people, you can send one bulk email and move on to other tasks.
Balancing Scale and Personalization
It also helps to improve the user experience for your contacts, who receive one email addressed to them rather than dozens of separate emails. From a technical standpoint, bulk emails use email marketing software to send large volumes of emails. These tools operate on reliable SMTP servers that help ensure your messages reach the recipient.
The Difference Between Bulk Email Senders and Standard Email Providers
If you’re looking for a way to send mass emails, there isn’t just one. Even standard email providers like Gmail can allow you to send multiple emails simultaneously. In email marketing, deliverability is key; you wouldn’t want your emails to be marked as spam. One of the best ways to send bulk emails is through email marketing software that runs on reliable SMTP servers, which helps ensure your messages reach the recipient. So, what exactly is the difference between a bulk email sender and a standard email provider? If you heavily rely on email marketing for your business, invest in marketing software for your campaigns.
Mass Mailing Services vs. Standard Email Providers: A Performance Comparison
Indeed, there are a few key differences between a mass mailing service and a standard email provider that can impact your performance:
Limited sending capacity: Standard email providers often have sending limits, restricting the number of emails you can send in a given time frame. This can slow down the sending process and cause delays in communication with customers or subscribers.
Deliverability issues: As mentioned above, emails sent through a standard email provider may have deliverability issues and be marked as spam or junk mail.
Lack of tracking and analytics: Standard email providers typically do not provide detailed tracking and analytics, which can limit businesses’ ability to measure the effectiveness of their email campaigns.
Branding limitations: Standard email providers often do not allow custom branding. Considering all this, you can see why email marketing software is usually a good choice.
Key Factors for Successful Bulk Email Campaigns
Even if you don’t break the daily sending limit, ESPs could still tag your accounts as spam. To avoid this issue, here are the email marketing fundamentals you need to follow:
Scale Sending Volume with Alternate Domains
Using alternate domains is the best way to avoid being tagged as spam. This protects your primary domain from the potential adverse effects of cold email marketing. Each domain can create three sending accounts. It’s recommended to only send 50 emails daily per sending account. Alternate domains must also be forwarded to your primary domain.
Domain Forwarding and Authentication Setups
The last thing you want happening is leads clicking on your link and being redirected to a non-existent site. That’s why forwarding your alternate domains to my main one is essential. You also need the proper authentication for each alternate domain, including:
DMARC
DKIM
SPF
Without these authentications, you won’t be able to send and receive emails. If you’re not that tech-savvy, these setups might be confusing. That’s where Instantly’s DFY service comes in. You get to buy alternate domains and complete all authentication in the app.
Email Warmup
New sending accounts that immediately send bulk emails are red flags for email service providers. New accounts need email warmups to help them look more legitimate. This occurs naturally as you send and receive emails. Tools like Instantly allow you to automate email warmup for free for all sending accounts. The recommended warmup period is two to three weeks. Warmups should also count toward your daily sending limit. For example, you can send 30 cold emails for the first two weeks and have the remaining 20 as warmups.
Related Reading
• How to Send Bulk Emails
• Outreach Automation
• How to Know if Someone Opened Your Email
• How to Send a Cold Email for Networking
• How to Follow Up on a Cold Email
• Best Time to Send Cold Emails
27 Best Bulk Email Sender Tools
1. Inframail
Inframail is flipping the cold email script with unlimited inboxes at a single flat rate. Their Microsoft-backed deliverability and dedicated IP addresses help scale their outreach efficiently:
Agencies
Recruiters
SDRs
The main benefits of using Inframail:
Automated SPF, DKIM, and DMARC setup
Dedicated email servers for each user
16-hour priority support daily
Unlike traditional providers that charge per inbox and leave you wrestling with technical configurations, Inframail streamlines the entire process. They handle the complex infrastructure setup while you focus on reaching more prospects.
2. Instantly.ai
Instantly.ai offers unlimited warmups and sending accounts. But they don’t just help with numbers—they’re here to help:
Personalize emails
Manage leads
Automate the entire sales process
You can upload lead lists from any source. Once leads are uploaded, Instantly has a one-click bulk domain tester to verify lead lists. There’s also an option to find pre-verified leads using Instantly B2B Lead Finder. When leads are uploaded, you can use the AI generator to create custom variables through prompts. These custom variables can then be used to personalize email copy for each lead in your campaign.
Optimizing Personalized Emails: Variations, Spintax, and A/B Testing
After personalized emails have been sent, you can create variations and add spintax to improve deliverability. You can also enable the auto-optimize A/B testing feature, which instantly finds your best-performing email variation. Instantly’s Dealflow CRM allows you to send bulk emails and call or text prospects from your browser, ensuring a holistic sales cadence.
3. MailMeteor
MailMeteor integrates seamlessly with Gmail, transforming it into an email marketing platform complete with the following:
Bulk-sending
Automation
Personalization tools
You have three main options for MailMeteor:
The main dashboard
Gmail
Google Sheets
The Sheets integration lets you upload email lists and personalize emails using lead data. MailMeteor also offers tools for improving deliverability.
MailMeteor and Gmail: Navigating Sending Limits for Free and Workspace Accounts.
Their Pro or higher plan lets you use:
Unlimited email validation
Automated follow-ups
Here’s the kicker—MailMeteor can’t break Gmail’s sending limits. If you’re using a free Gmail account, you’ll still be limited to 500 emails daily. Workspace accounts can send up to 2,000.
4. Sender
Sender has one of the best free forever plans for a bulk email sender tool for newsletters and lead nurturing. You only need to:
Upload your lead list
Build your email
Automate emails
There are dozens of premade templates for:
Upselling
Product promos
Onboarding
You can also easily create an email using the drag-and-drop email builder tool.
Sender's Free Plan for Opt-In Lists: High Sending Limits and Automation Features
Even with the free plan, Sender lets you send 15,000 emails monthly—that’s right, around 500 emails daily (Gmail and Outlook’s sending caps). We recommend Sender for contacts who have opted in or subscribed to your email list.
Sender can segment contacts and automate personalized outreach for:
Abandoned carts
Special promos
Seasonal events
5. MailSoftly
MailSoftly offers the complete email marketing package, from landing page opt-in forms to lead email workflow automation. The best part is that you can try it out for free without a credit card. MailSoftly can segment contacts based on the following:
Customer behavior
Preferences
How they engage with your emails
It also leverages lead data to automate dynamic email personalization. If you’re not that good with email copy, MailSoftly has you covered. You can use MailSoftly’s AI email generator to create personalized emails for each lead in your list. Like Sender, MailSoftly offers intuitive, drag-and-drop email builder tools. Users can also select from various customized styles and templates for advertising, launching a new product, or sending a newsletter.
6. FluentCRM
Don’t let the CRM title fool you. FluentCRM can send bulk emails straight from your website. Unlike the rest of the tools in this list, Fluent is an email automation plugin for WordPress. You can use it to manage leads, create automated email sequences, and monitor user activity. It also has robust tools for automated email workflows, especially for eCommerce. Let’s say you have a form on your landing page. Fluent can automatically email a product recommendation when a lead submits the form. If the lead doesn’t purchase within a set period, Fluent can send a discount promotion email. What’s great about this feature is that Fluent won’t send emails blindly. Since it is a CRM, it will leverage lead data to personalize recommendations and relevant nurturing material.
7. SendPulse
Sending emails in bulk isn’t as simple as uploading an email list with thousands of leads and clicking “send all.” SendPulse helps you navigate the complexities with recommendations and best practices, such as email validation and maintaining sender reputation. Their AI tool, Automation 360, lets you create automated workflows that can work within email marketing best practices, such as limiting sending volume and frequency. And it doesn’t only work with emails. You can create a complete sales cadence starting with forms, chatbots, or SMS. Each email sent can be A/B tested to help you find the best-performing ones.
8. Campaign Monitor
Campaign Monitor lets you send beautifully crafted and personalized emails at scale. It also leverages SMS to create a holistic sales cadence for each lead segment. You can segment leads, track key metrics, and tailor the customer journey for each sales pipeline stage.
This is paired with:
In-depth analytics
A/B testing
Optimization tools
Campaign Monitor lets you choose between unlimited plans or charges for bulk sending based on the number of leads in your campaigns.
9. QuickMail
QuickMail automates contacting potential leads by sending personalized emails at scale, enabling users to connect with cold prospects efficiently. This tool streamlines outreach efforts, tracks responses, and increases the likelihood of engaging new business opportunities without manual intervention. It has the added benefit of LinkedIn automation and the ability to create omnichannel campaigns that start more conversations with prospects.
It’s simple to use:
Write your personalized email templates
Import your prospect list
Schedule your campaigns
You can schedule as many follow-up emails as needed in your campaign with a delay between steps. If someone replies, they'll be automatically removed from your campaign to ensure they don't receive any more automated emails from you.
10. Elastic Email
Elastic Email deserves mention as a bulk email marketing platform due to its comprehensive feature set tailored for high-volume senders of opted-in outreach. It offers a robust API and SMTP Relay service, ensuring seamless integration with various applications and services. From a marketing standpoint, it competes with major email marketing platforms like Mailchimp and Sendinblue (which we’ll look at later in this guide). With advanced analytics, you can track email performance and optimize campaigns effectively. The platform's cost-efficiency is a standout, making it accessible for businesses of all sizes. With automation and segmentation capabilities, you can personalize messages and target specific audience groups. Ultimately, this boosts engagement and conversion rates.
11. SendFox
SendFox stands out as an email marketing service due to its cost-effective pricing structure, explicitly tailored for:
Content creators
Bloggers
Small businesses
It offers a straightforward interface and essential features like automation, allowing you to efficiently manage campaigns without overwhelming complexity. SendFox’s affordability makes it an attractive option for those needing reliable email marketing tools without the hefty investment that other services require. You get a balance between functionality and budget. One of the trade-offs is that SendFox doesn’t have some of the more advanced features that other email marketing platforms have, like website integration and an elaborate editor.
12. Brevo
Brevo stands out as a bulk emailing service due to its user-friendly interface and advanced automation features, making it a strong choice for businesses of all sizes. It offers robust analytics tools that allow users to track real-time email performance and engagement, an essential feature for optimizing marketing strategies. Compared to some other services, Brevo provides superior segmentation capabilities, enabling more targeted and personalized email campaigns. Its high deliverability rates also ensure that emails reach recipients' inboxes more effectively. The cost-effectiveness of Brevo, combined with its dedicated customer support, makes it an attractive option for companies seeking a reliable bulk emailing solution.
13. ActiveCampaign
ActiveCampaign is another excellent option for bulk email. With advanced automation capabilities, you can send highly targeted emails based on user behavior and preferences. This can result in more relevant communication than other services offering basic segmentation. Also, its robust analytics tools provide detailed insights into campaign performance, helping you adjust strategies for better engagement. Its user-friendly interface streamlines the creation and management of email campaigns, making it accessible for beginners and experts. To keep your emails personalized, you can use merge tags like first name, city, recent purchase, and more, which can be dynamically inserted into email templates. It's an excellent platform for anyone wanting to send emails at scale to an opted-in subscriber base.
14. GetResponse
GetResponse stands out for its user-friendly interface and advanced automation features, making it ideal for crafting and distributing newsletters. The platform offers various customizable templates, streamlining visually appealing and engaging content creation. The detailed analytics tools enable users to track the performance of their campaigns and optimize future emails for better engagement. With its list management capabilities, users can segment their audience for targeted communication, enhancing content relevance for each subscriber. GetResponse's high deliverability rates ensure that newsletters reach recipients' inboxes, thereby maximizing the impact of email marketing efforts.
15. ConvertKit
ConvertKit offers a robust bulk emailing service tailored for creators looking to engage their audience effectively. Its visual funnel builder feature allows intuitively creating email sequences, facilitating targeted campaigns, and automating sales processes. This contrasts with Mailchimp, which offers a broader range of templates but a less focused funnel design tool. ConvertKit's service excels in user segmentation and personalization, ensuring high deliverability and open rates. Ideal for bloggers, digital marketers, and online course creators, ConvertKit simplifies complex email marketing strategies into manageable, result-driven tasks. It may come at a premium compared to generic solutions like Constant Contact.
16. MailerLite
MailerLite's bulk emailing service stands out with its user-friendly email editor, enabling seamless creation and customization of campaigns. This intuitive interface simplifies the design process, making it accessible even for those with minimal technical expertise. Compared to Mailchimp, MailerLite offers a competitive edge with its affordability and straightforward pricing structure. The platform also shines with robust automation features, segmenting tools, and detailed analytics, allowing users to tailor their strategies effectively and track performance. Ideal for small—to medium-sized businesses, MailerLite balances simplicity and functionality, making it a strong contender in the email marketing space.
17. CleverReach
CleverReach is a reliable bulk email marketing platform with an intuitive user interface. It is accessible for beginners while still providing advanced features for seasoned marketers. Its comprehensive analytics tools enable users to track campaign performance and optimize strategies based on detailed reports. The platform supports segmentation and personalization, allowing businesses to tailor their messages to specific audience groups for improved engagement. Automated workflows save time by managing repetitive tasks and nurturing leads. As a plus, CleverReach integrates with popular e-commerce systems, enhancing the potential for targeted, effective promotions that can drive sales and customer loyalty.
18. Mailjet
Mailjet's transactional emailing service excels with its user-friendly API, allowing developers to integrate mailing features into applications seamlessly. This API's robustness positions Mailjet as a strong contender against popular services like SendGrid and Mailchimp. Mailjet supports a variety of use cases, from transactional emails to large-scale marketing campaigns, and it can send up to 15 million emails per hour. The platform offers real-time analytics, aiding businesses in tracking performance metrics effectively. The platform has integrated email deliverability tools to help ensure your emails don’t land in the spam folder. They also support large accounts with an account manager who can provide your:
SPF
DKIM
IP address
Email domains
Other technical details
19. Postmark
Postmark distinguishes itself in the bulk emailing landscape with a robust focus on transactional emails. It ensures high deliverability rates and swift delivery times for critical communications like password resets and order confirmations. It’s known for its short inboxing time (the average email sent to Gmail via Postmark arrives in 4.86s). Postmark’s infrastructure is optimized for applications where reliability is paramount. Compared to services like SendGrid or Mailgun, which also offer extensive marketing email capabilities, Postmark is often praised for its streamlined approach that prioritizes transactional messages over promotional campaigns.
Fast, Reliable, and Template-Ready: Postmark for Transactional Email Needs
This specificity makes it a preferred choice for developers and businesses that require immediate email delivery without the additional features that cater to broader marketing efforts. Postmark also offers an extensive library of ready-made responsive templates for welcome emails, password resets, and order confirmations, which makes it easy to get up and running.
20. Mailgun
Mailgun is a transactional email API service for developers and businesses that want to send transactional or bulk emails from their applications using Mailgun’s SMTP relay. It’s best for teams with a technical background who can set up and customize it to work in cohesion with your app.
For Marketers and Mass Communication: Mailgun's Solution for Promotional Campaigns and Newsletters
You’ll need to create your emails in a separate platform and send them using Mailgun’s relay. The platform caters to businesses needing mass communication, such as promotional campaigns or newsletters, by providing detailed analytics and real-time monitoring. Its adaptive algorithms help maintain a good sender reputation, a critical factor that sets it apart from some of its competitors. Mailgun's focused optimization for bulk sends, user-friendly APIs, and flexible email validation features position it as a preferred choice for marketers aiming for reach and reliability in their email strategies.
21. SendGrid
SendGrid is a cloud-based service that offers an SMTP interface, allowing seamless integration with existing applications. Its robust infrastructure supports high-volume sending, ensuring reliability and scalability. With advanced analytics, SendGrid provides insights into email performance, aiding optimization efforts. While similar services like Mailchimp offer user-friendly interfaces and marketing automation, SendGrid stands out for developers seeking comprehensive API access and customization. Plus, Sendgrid maintains high deliverability with proactive ISP outreach and reputation monitoring, a critical consideration for businesses aiming to reach large audiences without being flagged as spam.
22. Amazon SES
Amazon Simple Email Service (SES) is a robust transactional email platform that facilitates high-volume email sending for businesses. Its key features include a flexible IP deployment model and a reputation dashboard for monitoring email sending health.
Balancing Scalability and User Experience: SES's Strengths and Weaknesses
You’ll also find tools to help you easily authenticate your emails with SPF and DKIM to ensure your recipients’ inboxes are always likely to let your emails through. SES is beneficial for applications requiring reliable delivery of notifications, such as password resets or purchase confirmations. Compared to competitors like SendGrid or Mailgun, SES stands out for its deep integration with AWS services, offering advantages in scalability and cost for AWS-centric environments. However, it might be less intuitive for beginners than some other services, which prioritize user-friendly interfaces and extensive marketing features.
23. SMTP2GO
SMTP2GO offers a robust transactional emailing service, providing reliable delivery for time-sensitive communications. It ensures that important messages, such as password resets or purchase confirmations, reach their recipients promptly. Featuring detailed analytics, SMTP2GO allows businesses to track emails and optimize their communication strategies. Unlike competitors like SendGrid or Mailgun, SMTP2GO stands out for its user-friendly interface and exceptional customer support. While all these services excel in deliverability, SMTP2GO's emphasis on simplicity and support can benefit small to medium-sized businesses without dedicated IT teams to manage their email infrastructure.
24. GMass
GMass is email-sending software for Gmail. If you’re looking for a tool to set up bulk emails right in Gmail, GMass is the answer. GMass is a Chrome extension that allows you to set up marketing campaigns inside your Gmail account. It’s a simple solution for individual entrepreneurs or small businesses that must set up email campaigns fast.
GMass’s best bulk email software features:
Gmail integration. Work directly within your familiar Gmail interface — no need to learn a new platform.
Integration with Google Sheets. Connect GMass to your Google Sheets to easily pull in your contact lists and personalize emails.
Email verification. GMass checks your email lists and messages for spam triggers, keeping your sending reputation squeaky clean.
Unsubscribe management. You can add list-unsubscribe headers to your emails. From there, GMass handles unsubscribes automatically.
25. AWeber
AWeber is an email marketing service that helps businesses send email campaigns from start to finish. Like Mailchimp, AWeber integrates with Canva. AWeber takes it a step further – you can design with Canva directly within your AWeber account.
AWeber’s best bulk email software features an email marketing API.
AWeber's API lets you seamlessly route large transactional email volumes (e.g., order confirmations and shipping updates) through its reliable infrastructure and domain authentication.
Set up your DMARC record in AWeber to comply with Gmail and Yahoo Mail sender requirements.
Unlimited email sending in paid plans. Although you have to pay for subscribers, there's no limit on the number of emails you can send to them.
Heads up: AWeber doesn’t offer a dedicated IP address, which might be a serious drawback for power senders.
26. Omnisend
Omnisend is designed especially for e-commerce businesses. It has pre-built automation workflows for welcome emails, abandoned cart reminders, and more. You can integrate it with your Shopify store or other ecommerce platforms. Omnisend also lets you send SMS messages alongside your email campaigns.
Omnisend’s best features for bulk sending:
Ecommerce integrations: Quickly pull in products from your store to populate your bulk emails with dynamic product recommendations. Plugins include Shopify, BigCommerce, etc.
Dynamic discount codes: Include dynamic incentives in mass emails. Omnisend will automatically sync the data with your e-commerce platform.
Domain verification: Omnisend generates SPF, DKIM, and DMARC records. That way, you can authenticate your domain and comply with the latest regulations.
Dedicated IP: The platform offers dedicated IPs for high-volume senders and warm-up guidelines.
27. Moosend
Moosend is among the best email marketing tools to kickstart your bulk email marketing strategy. This tool is ideal for the job because it delivers emails well, you can send unlimited campaigns regardless of plan, and it has existing certifications and compliances (CSA, GDPR, Anti-Spam, etc.).
From Design to Automation: Moosend's Comprehensive Email Marketing Platform
Moosend offers a user-friendly drag-and-drop email builder for creating campaigns. The email newsletter templates are responsive and customizable, allowing you to craft a quick message in a few minutes. The intuitive audience management tool will enable you to manage your contacts and keep everything organized. This email software will equip you with a powerful yet easy-to-implement marketing automation tool, pre-made recipes, and a fast Email API to streamline your operations. After sending your bulk email campaign, you can use real-time email tracking tools to monitor performance and optimize your strategy.
Related Reading
• How Many Cold Emails Per Day
• Mailchimp for Cold Emails
• SMTP Send Email
• Best Email Outreach Tools
• Bulk Email Providers
• Best Business Email Providers
• Best SMTP Server
• AI Tools for Email Marketing
• Amazon Ses Alternatives
• Postfix vs Sendmail
• Amazon Ses vs Sendgrid
Start Buying Domains Now and Setup Your Email Infrastructure Today
Inframail revolutionizes cold email infrastructure with unlimited inboxes at a flat rate. With Microsoft-backed deliverability and dedicated IP addresses, we help scale their outreach efficiently:
Agencies
Recruiters
SDRs
Main benefits of using our service:
Automated SPF, DKIM, and DMARC setup
Dedicated email servers for each user
16-hour priority support daily
Unlike traditional providers that charge per inbox and leave you wrestling with technical configurations, Inframail streamlines the entire process. We handle the complex infrastructure setup while you focus on reaching more prospects. InfraMail provides a robust email infrastructure without the usual technical headaches and per-inbox costs, whether you're:
An agency looking to scale outreach
A recruiter connecting with candidates
An SDR driving sales
Start buying domains now and set up your email infrastructure today with our email infrastructure tool.
Related Reading
• Mailjet alternatives
• Woodpecker Alternatives
• Mailshake Alternative
• Lemlist Alternatives
• Zerobounce vs Neverbounce
• Mixmax Alternatives
• Yesware Alternatives
• Neverbounce vs Kickbox
Cold email outreach can be an effective way to grow your business. But it can also be a real headache. You want to get emails out to as many prospects as possible to increase your chances of conversion. But if you send too many emails simultaneously, you risk getting marked as a spammer and ruining your outreach efforts. This is where the best bulk email sender can help. This article will explore the best bulk email tools to help you effortlessly scale cold outreach campaigns, maximize response rates, and drive meaningful business growth. Stay tuned to learn more cold emails tips.
Inframail's email infrastructure solution is excellent for achieving your cold emailing objectives. With Inframail, you can build a bulk email-sending solution tailored to your needs, sending thousands of emails daily without sacrificing deliverability.
Table of Contents
What is the Best Way to Send Bulk Emails?
Bulk emails, or mass emails, let you reach many contacts simultaneously. This can be useful for organizations of all sizes that want to send the same message to many recipients—whether to:
Share company news
Promote a sale
Reach out to potential customers
Instead of sending individual emails to each contact, you can quickly send one bulk email that reaches them all simultaneously. For businesses, this helps to improve communication and saves time. Instead of spending hours or days sending emails to many different people, you can send one bulk email and move on to other tasks.
Balancing Scale and Personalization
It also helps to improve the user experience for your contacts, who receive one email addressed to them rather than dozens of separate emails. From a technical standpoint, bulk emails use email marketing software to send large volumes of emails. These tools operate on reliable SMTP servers that help ensure your messages reach the recipient.
The Difference Between Bulk Email Senders and Standard Email Providers
If you’re looking for a way to send mass emails, there isn’t just one. Even standard email providers like Gmail can allow you to send multiple emails simultaneously. In email marketing, deliverability is key; you wouldn’t want your emails to be marked as spam. One of the best ways to send bulk emails is through email marketing software that runs on reliable SMTP servers, which helps ensure your messages reach the recipient. So, what exactly is the difference between a bulk email sender and a standard email provider? If you heavily rely on email marketing for your business, invest in marketing software for your campaigns.
Mass Mailing Services vs. Standard Email Providers: A Performance Comparison
Indeed, there are a few key differences between a mass mailing service and a standard email provider that can impact your performance:
Limited sending capacity: Standard email providers often have sending limits, restricting the number of emails you can send in a given time frame. This can slow down the sending process and cause delays in communication with customers or subscribers.
Deliverability issues: As mentioned above, emails sent through a standard email provider may have deliverability issues and be marked as spam or junk mail.
Lack of tracking and analytics: Standard email providers typically do not provide detailed tracking and analytics, which can limit businesses’ ability to measure the effectiveness of their email campaigns.
Branding limitations: Standard email providers often do not allow custom branding. Considering all this, you can see why email marketing software is usually a good choice.
Key Factors for Successful Bulk Email Campaigns
Even if you don’t break the daily sending limit, ESPs could still tag your accounts as spam. To avoid this issue, here are the email marketing fundamentals you need to follow:
Scale Sending Volume with Alternate Domains
Using alternate domains is the best way to avoid being tagged as spam. This protects your primary domain from the potential adverse effects of cold email marketing. Each domain can create three sending accounts. It’s recommended to only send 50 emails daily per sending account. Alternate domains must also be forwarded to your primary domain.
Domain Forwarding and Authentication Setups
The last thing you want happening is leads clicking on your link and being redirected to a non-existent site. That’s why forwarding your alternate domains to my main one is essential. You also need the proper authentication for each alternate domain, including:
DMARC
DKIM
SPF
Without these authentications, you won’t be able to send and receive emails. If you’re not that tech-savvy, these setups might be confusing. That’s where Instantly’s DFY service comes in. You get to buy alternate domains and complete all authentication in the app.
Email Warmup
New sending accounts that immediately send bulk emails are red flags for email service providers. New accounts need email warmups to help them look more legitimate. This occurs naturally as you send and receive emails. Tools like Instantly allow you to automate email warmup for free for all sending accounts. The recommended warmup period is two to three weeks. Warmups should also count toward your daily sending limit. For example, you can send 30 cold emails for the first two weeks and have the remaining 20 as warmups.
Related Reading
• How to Send Bulk Emails
• Outreach Automation
• How to Know if Someone Opened Your Email
• How to Send a Cold Email for Networking
• How to Follow Up on a Cold Email
• Best Time to Send Cold Emails
27 Best Bulk Email Sender Tools
1. Inframail
Inframail is flipping the cold email script with unlimited inboxes at a single flat rate. Their Microsoft-backed deliverability and dedicated IP addresses help scale their outreach efficiently:
Agencies
Recruiters
SDRs
The main benefits of using Inframail:
Automated SPF, DKIM, and DMARC setup
Dedicated email servers for each user
16-hour priority support daily
Unlike traditional providers that charge per inbox and leave you wrestling with technical configurations, Inframail streamlines the entire process. They handle the complex infrastructure setup while you focus on reaching more prospects.
2. Instantly.ai
Instantly.ai offers unlimited warmups and sending accounts. But they don’t just help with numbers—they’re here to help:
Personalize emails
Manage leads
Automate the entire sales process
You can upload lead lists from any source. Once leads are uploaded, Instantly has a one-click bulk domain tester to verify lead lists. There’s also an option to find pre-verified leads using Instantly B2B Lead Finder. When leads are uploaded, you can use the AI generator to create custom variables through prompts. These custom variables can then be used to personalize email copy for each lead in your campaign.
Optimizing Personalized Emails: Variations, Spintax, and A/B Testing
After personalized emails have been sent, you can create variations and add spintax to improve deliverability. You can also enable the auto-optimize A/B testing feature, which instantly finds your best-performing email variation. Instantly’s Dealflow CRM allows you to send bulk emails and call or text prospects from your browser, ensuring a holistic sales cadence.
3. MailMeteor
MailMeteor integrates seamlessly with Gmail, transforming it into an email marketing platform complete with the following:
Bulk-sending
Automation
Personalization tools
You have three main options for MailMeteor:
The main dashboard
Gmail
Google Sheets
The Sheets integration lets you upload email lists and personalize emails using lead data. MailMeteor also offers tools for improving deliverability.
MailMeteor and Gmail: Navigating Sending Limits for Free and Workspace Accounts.
Their Pro or higher plan lets you use:
Unlimited email validation
Automated follow-ups
Here’s the kicker—MailMeteor can’t break Gmail’s sending limits. If you’re using a free Gmail account, you’ll still be limited to 500 emails daily. Workspace accounts can send up to 2,000.
4. Sender
Sender has one of the best free forever plans for a bulk email sender tool for newsletters and lead nurturing. You only need to:
Upload your lead list
Build your email
Automate emails
There are dozens of premade templates for:
Upselling
Product promos
Onboarding
You can also easily create an email using the drag-and-drop email builder tool.
Sender's Free Plan for Opt-In Lists: High Sending Limits and Automation Features
Even with the free plan, Sender lets you send 15,000 emails monthly—that’s right, around 500 emails daily (Gmail and Outlook’s sending caps). We recommend Sender for contacts who have opted in or subscribed to your email list.
Sender can segment contacts and automate personalized outreach for:
Abandoned carts
Special promos
Seasonal events
5. MailSoftly
MailSoftly offers the complete email marketing package, from landing page opt-in forms to lead email workflow automation. The best part is that you can try it out for free without a credit card. MailSoftly can segment contacts based on the following:
Customer behavior
Preferences
How they engage with your emails
It also leverages lead data to automate dynamic email personalization. If you’re not that good with email copy, MailSoftly has you covered. You can use MailSoftly’s AI email generator to create personalized emails for each lead in your list. Like Sender, MailSoftly offers intuitive, drag-and-drop email builder tools. Users can also select from various customized styles and templates for advertising, launching a new product, or sending a newsletter.
6. FluentCRM
Don’t let the CRM title fool you. FluentCRM can send bulk emails straight from your website. Unlike the rest of the tools in this list, Fluent is an email automation plugin for WordPress. You can use it to manage leads, create automated email sequences, and monitor user activity. It also has robust tools for automated email workflows, especially for eCommerce. Let’s say you have a form on your landing page. Fluent can automatically email a product recommendation when a lead submits the form. If the lead doesn’t purchase within a set period, Fluent can send a discount promotion email. What’s great about this feature is that Fluent won’t send emails blindly. Since it is a CRM, it will leverage lead data to personalize recommendations and relevant nurturing material.
7. SendPulse
Sending emails in bulk isn’t as simple as uploading an email list with thousands of leads and clicking “send all.” SendPulse helps you navigate the complexities with recommendations and best practices, such as email validation and maintaining sender reputation. Their AI tool, Automation 360, lets you create automated workflows that can work within email marketing best practices, such as limiting sending volume and frequency. And it doesn’t only work with emails. You can create a complete sales cadence starting with forms, chatbots, or SMS. Each email sent can be A/B tested to help you find the best-performing ones.
8. Campaign Monitor
Campaign Monitor lets you send beautifully crafted and personalized emails at scale. It also leverages SMS to create a holistic sales cadence for each lead segment. You can segment leads, track key metrics, and tailor the customer journey for each sales pipeline stage.
This is paired with:
In-depth analytics
A/B testing
Optimization tools
Campaign Monitor lets you choose between unlimited plans or charges for bulk sending based on the number of leads in your campaigns.
9. QuickMail
QuickMail automates contacting potential leads by sending personalized emails at scale, enabling users to connect with cold prospects efficiently. This tool streamlines outreach efforts, tracks responses, and increases the likelihood of engaging new business opportunities without manual intervention. It has the added benefit of LinkedIn automation and the ability to create omnichannel campaigns that start more conversations with prospects.
It’s simple to use:
Write your personalized email templates
Import your prospect list
Schedule your campaigns
You can schedule as many follow-up emails as needed in your campaign with a delay between steps. If someone replies, they'll be automatically removed from your campaign to ensure they don't receive any more automated emails from you.
10. Elastic Email
Elastic Email deserves mention as a bulk email marketing platform due to its comprehensive feature set tailored for high-volume senders of opted-in outreach. It offers a robust API and SMTP Relay service, ensuring seamless integration with various applications and services. From a marketing standpoint, it competes with major email marketing platforms like Mailchimp and Sendinblue (which we’ll look at later in this guide). With advanced analytics, you can track email performance and optimize campaigns effectively. The platform's cost-efficiency is a standout, making it accessible for businesses of all sizes. With automation and segmentation capabilities, you can personalize messages and target specific audience groups. Ultimately, this boosts engagement and conversion rates.
11. SendFox
SendFox stands out as an email marketing service due to its cost-effective pricing structure, explicitly tailored for:
Content creators
Bloggers
Small businesses
It offers a straightforward interface and essential features like automation, allowing you to efficiently manage campaigns without overwhelming complexity. SendFox’s affordability makes it an attractive option for those needing reliable email marketing tools without the hefty investment that other services require. You get a balance between functionality and budget. One of the trade-offs is that SendFox doesn’t have some of the more advanced features that other email marketing platforms have, like website integration and an elaborate editor.
12. Brevo
Brevo stands out as a bulk emailing service due to its user-friendly interface and advanced automation features, making it a strong choice for businesses of all sizes. It offers robust analytics tools that allow users to track real-time email performance and engagement, an essential feature for optimizing marketing strategies. Compared to some other services, Brevo provides superior segmentation capabilities, enabling more targeted and personalized email campaigns. Its high deliverability rates also ensure that emails reach recipients' inboxes more effectively. The cost-effectiveness of Brevo, combined with its dedicated customer support, makes it an attractive option for companies seeking a reliable bulk emailing solution.
13. ActiveCampaign
ActiveCampaign is another excellent option for bulk email. With advanced automation capabilities, you can send highly targeted emails based on user behavior and preferences. This can result in more relevant communication than other services offering basic segmentation. Also, its robust analytics tools provide detailed insights into campaign performance, helping you adjust strategies for better engagement. Its user-friendly interface streamlines the creation and management of email campaigns, making it accessible for beginners and experts. To keep your emails personalized, you can use merge tags like first name, city, recent purchase, and more, which can be dynamically inserted into email templates. It's an excellent platform for anyone wanting to send emails at scale to an opted-in subscriber base.
14. GetResponse
GetResponse stands out for its user-friendly interface and advanced automation features, making it ideal for crafting and distributing newsletters. The platform offers various customizable templates, streamlining visually appealing and engaging content creation. The detailed analytics tools enable users to track the performance of their campaigns and optimize future emails for better engagement. With its list management capabilities, users can segment their audience for targeted communication, enhancing content relevance for each subscriber. GetResponse's high deliverability rates ensure that newsletters reach recipients' inboxes, thereby maximizing the impact of email marketing efforts.
15. ConvertKit
ConvertKit offers a robust bulk emailing service tailored for creators looking to engage their audience effectively. Its visual funnel builder feature allows intuitively creating email sequences, facilitating targeted campaigns, and automating sales processes. This contrasts with Mailchimp, which offers a broader range of templates but a less focused funnel design tool. ConvertKit's service excels in user segmentation and personalization, ensuring high deliverability and open rates. Ideal for bloggers, digital marketers, and online course creators, ConvertKit simplifies complex email marketing strategies into manageable, result-driven tasks. It may come at a premium compared to generic solutions like Constant Contact.
16. MailerLite
MailerLite's bulk emailing service stands out with its user-friendly email editor, enabling seamless creation and customization of campaigns. This intuitive interface simplifies the design process, making it accessible even for those with minimal technical expertise. Compared to Mailchimp, MailerLite offers a competitive edge with its affordability and straightforward pricing structure. The platform also shines with robust automation features, segmenting tools, and detailed analytics, allowing users to tailor their strategies effectively and track performance. Ideal for small—to medium-sized businesses, MailerLite balances simplicity and functionality, making it a strong contender in the email marketing space.
17. CleverReach
CleverReach is a reliable bulk email marketing platform with an intuitive user interface. It is accessible for beginners while still providing advanced features for seasoned marketers. Its comprehensive analytics tools enable users to track campaign performance and optimize strategies based on detailed reports. The platform supports segmentation and personalization, allowing businesses to tailor their messages to specific audience groups for improved engagement. Automated workflows save time by managing repetitive tasks and nurturing leads. As a plus, CleverReach integrates with popular e-commerce systems, enhancing the potential for targeted, effective promotions that can drive sales and customer loyalty.
18. Mailjet
Mailjet's transactional emailing service excels with its user-friendly API, allowing developers to integrate mailing features into applications seamlessly. This API's robustness positions Mailjet as a strong contender against popular services like SendGrid and Mailchimp. Mailjet supports a variety of use cases, from transactional emails to large-scale marketing campaigns, and it can send up to 15 million emails per hour. The platform offers real-time analytics, aiding businesses in tracking performance metrics effectively. The platform has integrated email deliverability tools to help ensure your emails don’t land in the spam folder. They also support large accounts with an account manager who can provide your:
SPF
DKIM
IP address
Email domains
Other technical details
19. Postmark
Postmark distinguishes itself in the bulk emailing landscape with a robust focus on transactional emails. It ensures high deliverability rates and swift delivery times for critical communications like password resets and order confirmations. It’s known for its short inboxing time (the average email sent to Gmail via Postmark arrives in 4.86s). Postmark’s infrastructure is optimized for applications where reliability is paramount. Compared to services like SendGrid or Mailgun, which also offer extensive marketing email capabilities, Postmark is often praised for its streamlined approach that prioritizes transactional messages over promotional campaigns.
Fast, Reliable, and Template-Ready: Postmark for Transactional Email Needs
This specificity makes it a preferred choice for developers and businesses that require immediate email delivery without the additional features that cater to broader marketing efforts. Postmark also offers an extensive library of ready-made responsive templates for welcome emails, password resets, and order confirmations, which makes it easy to get up and running.
20. Mailgun
Mailgun is a transactional email API service for developers and businesses that want to send transactional or bulk emails from their applications using Mailgun’s SMTP relay. It’s best for teams with a technical background who can set up and customize it to work in cohesion with your app.
For Marketers and Mass Communication: Mailgun's Solution for Promotional Campaigns and Newsletters
You’ll need to create your emails in a separate platform and send them using Mailgun’s relay. The platform caters to businesses needing mass communication, such as promotional campaigns or newsletters, by providing detailed analytics and real-time monitoring. Its adaptive algorithms help maintain a good sender reputation, a critical factor that sets it apart from some of its competitors. Mailgun's focused optimization for bulk sends, user-friendly APIs, and flexible email validation features position it as a preferred choice for marketers aiming for reach and reliability in their email strategies.
21. SendGrid
SendGrid is a cloud-based service that offers an SMTP interface, allowing seamless integration with existing applications. Its robust infrastructure supports high-volume sending, ensuring reliability and scalability. With advanced analytics, SendGrid provides insights into email performance, aiding optimization efforts. While similar services like Mailchimp offer user-friendly interfaces and marketing automation, SendGrid stands out for developers seeking comprehensive API access and customization. Plus, Sendgrid maintains high deliverability with proactive ISP outreach and reputation monitoring, a critical consideration for businesses aiming to reach large audiences without being flagged as spam.
22. Amazon SES
Amazon Simple Email Service (SES) is a robust transactional email platform that facilitates high-volume email sending for businesses. Its key features include a flexible IP deployment model and a reputation dashboard for monitoring email sending health.
Balancing Scalability and User Experience: SES's Strengths and Weaknesses
You’ll also find tools to help you easily authenticate your emails with SPF and DKIM to ensure your recipients’ inboxes are always likely to let your emails through. SES is beneficial for applications requiring reliable delivery of notifications, such as password resets or purchase confirmations. Compared to competitors like SendGrid or Mailgun, SES stands out for its deep integration with AWS services, offering advantages in scalability and cost for AWS-centric environments. However, it might be less intuitive for beginners than some other services, which prioritize user-friendly interfaces and extensive marketing features.
23. SMTP2GO
SMTP2GO offers a robust transactional emailing service, providing reliable delivery for time-sensitive communications. It ensures that important messages, such as password resets or purchase confirmations, reach their recipients promptly. Featuring detailed analytics, SMTP2GO allows businesses to track emails and optimize their communication strategies. Unlike competitors like SendGrid or Mailgun, SMTP2GO stands out for its user-friendly interface and exceptional customer support. While all these services excel in deliverability, SMTP2GO's emphasis on simplicity and support can benefit small to medium-sized businesses without dedicated IT teams to manage their email infrastructure.
24. GMass
GMass is email-sending software for Gmail. If you’re looking for a tool to set up bulk emails right in Gmail, GMass is the answer. GMass is a Chrome extension that allows you to set up marketing campaigns inside your Gmail account. It’s a simple solution for individual entrepreneurs or small businesses that must set up email campaigns fast.
GMass’s best bulk email software features:
Gmail integration. Work directly within your familiar Gmail interface — no need to learn a new platform.
Integration with Google Sheets. Connect GMass to your Google Sheets to easily pull in your contact lists and personalize emails.
Email verification. GMass checks your email lists and messages for spam triggers, keeping your sending reputation squeaky clean.
Unsubscribe management. You can add list-unsubscribe headers to your emails. From there, GMass handles unsubscribes automatically.
25. AWeber
AWeber is an email marketing service that helps businesses send email campaigns from start to finish. Like Mailchimp, AWeber integrates with Canva. AWeber takes it a step further – you can design with Canva directly within your AWeber account.
AWeber’s best bulk email software features an email marketing API.
AWeber's API lets you seamlessly route large transactional email volumes (e.g., order confirmations and shipping updates) through its reliable infrastructure and domain authentication.
Set up your DMARC record in AWeber to comply with Gmail and Yahoo Mail sender requirements.
Unlimited email sending in paid plans. Although you have to pay for subscribers, there's no limit on the number of emails you can send to them.
Heads up: AWeber doesn’t offer a dedicated IP address, which might be a serious drawback for power senders.
26. Omnisend
Omnisend is designed especially for e-commerce businesses. It has pre-built automation workflows for welcome emails, abandoned cart reminders, and more. You can integrate it with your Shopify store or other ecommerce platforms. Omnisend also lets you send SMS messages alongside your email campaigns.
Omnisend’s best features for bulk sending:
Ecommerce integrations: Quickly pull in products from your store to populate your bulk emails with dynamic product recommendations. Plugins include Shopify, BigCommerce, etc.
Dynamic discount codes: Include dynamic incentives in mass emails. Omnisend will automatically sync the data with your e-commerce platform.
Domain verification: Omnisend generates SPF, DKIM, and DMARC records. That way, you can authenticate your domain and comply with the latest regulations.
Dedicated IP: The platform offers dedicated IPs for high-volume senders and warm-up guidelines.
27. Moosend
Moosend is among the best email marketing tools to kickstart your bulk email marketing strategy. This tool is ideal for the job because it delivers emails well, you can send unlimited campaigns regardless of plan, and it has existing certifications and compliances (CSA, GDPR, Anti-Spam, etc.).
From Design to Automation: Moosend's Comprehensive Email Marketing Platform
Moosend offers a user-friendly drag-and-drop email builder for creating campaigns. The email newsletter templates are responsive and customizable, allowing you to craft a quick message in a few minutes. The intuitive audience management tool will enable you to manage your contacts and keep everything organized. This email software will equip you with a powerful yet easy-to-implement marketing automation tool, pre-made recipes, and a fast Email API to streamline your operations. After sending your bulk email campaign, you can use real-time email tracking tools to monitor performance and optimize your strategy.
Related Reading
• How Many Cold Emails Per Day
• Mailchimp for Cold Emails
• SMTP Send Email
• Best Email Outreach Tools
• Bulk Email Providers
• Best Business Email Providers
• Best SMTP Server
• AI Tools for Email Marketing
• Amazon Ses Alternatives
• Postfix vs Sendmail
• Amazon Ses vs Sendgrid
Start Buying Domains Now and Setup Your Email Infrastructure Today
Inframail revolutionizes cold email infrastructure with unlimited inboxes at a flat rate. With Microsoft-backed deliverability and dedicated IP addresses, we help scale their outreach efficiently:
Agencies
Recruiters
SDRs
Main benefits of using our service:
Automated SPF, DKIM, and DMARC setup
Dedicated email servers for each user
16-hour priority support daily
Unlike traditional providers that charge per inbox and leave you wrestling with technical configurations, Inframail streamlines the entire process. We handle the complex infrastructure setup while you focus on reaching more prospects. InfraMail provides a robust email infrastructure without the usual technical headaches and per-inbox costs, whether you're:
An agency looking to scale outreach
A recruiter connecting with candidates
An SDR driving sales
Start buying domains now and set up your email infrastructure today with our email infrastructure tool.
Related Reading
• Mailjet alternatives
• Woodpecker Alternatives
• Mailshake Alternative
• Lemlist Alternatives
• Zerobounce vs Neverbounce
• Mixmax Alternatives
• Yesware Alternatives
• Neverbounce vs Kickbox
Cold email outreach can be an effective way to grow your business. But it can also be a real headache. You want to get emails out to as many prospects as possible to increase your chances of conversion. But if you send too many emails simultaneously, you risk getting marked as a spammer and ruining your outreach efforts. This is where the best bulk email sender can help. This article will explore the best bulk email tools to help you effortlessly scale cold outreach campaigns, maximize response rates, and drive meaningful business growth. Stay tuned to learn more cold emails tips.
Inframail's email infrastructure solution is excellent for achieving your cold emailing objectives. With Inframail, you can build a bulk email-sending solution tailored to your needs, sending thousands of emails daily without sacrificing deliverability.
Table of Contents
What is the Best Way to Send Bulk Emails?
Bulk emails, or mass emails, let you reach many contacts simultaneously. This can be useful for organizations of all sizes that want to send the same message to many recipients—whether to:
Share company news
Promote a sale
Reach out to potential customers
Instead of sending individual emails to each contact, you can quickly send one bulk email that reaches them all simultaneously. For businesses, this helps to improve communication and saves time. Instead of spending hours or days sending emails to many different people, you can send one bulk email and move on to other tasks.
Balancing Scale and Personalization
It also helps to improve the user experience for your contacts, who receive one email addressed to them rather than dozens of separate emails. From a technical standpoint, bulk emails use email marketing software to send large volumes of emails. These tools operate on reliable SMTP servers that help ensure your messages reach the recipient.
The Difference Between Bulk Email Senders and Standard Email Providers
If you’re looking for a way to send mass emails, there isn’t just one. Even standard email providers like Gmail can allow you to send multiple emails simultaneously. In email marketing, deliverability is key; you wouldn’t want your emails to be marked as spam. One of the best ways to send bulk emails is through email marketing software that runs on reliable SMTP servers, which helps ensure your messages reach the recipient. So, what exactly is the difference between a bulk email sender and a standard email provider? If you heavily rely on email marketing for your business, invest in marketing software for your campaigns.
Mass Mailing Services vs. Standard Email Providers: A Performance Comparison
Indeed, there are a few key differences between a mass mailing service and a standard email provider that can impact your performance:
Limited sending capacity: Standard email providers often have sending limits, restricting the number of emails you can send in a given time frame. This can slow down the sending process and cause delays in communication with customers or subscribers.
Deliverability issues: As mentioned above, emails sent through a standard email provider may have deliverability issues and be marked as spam or junk mail.
Lack of tracking and analytics: Standard email providers typically do not provide detailed tracking and analytics, which can limit businesses’ ability to measure the effectiveness of their email campaigns.
Branding limitations: Standard email providers often do not allow custom branding. Considering all this, you can see why email marketing software is usually a good choice.
Key Factors for Successful Bulk Email Campaigns
Even if you don’t break the daily sending limit, ESPs could still tag your accounts as spam. To avoid this issue, here are the email marketing fundamentals you need to follow:
Scale Sending Volume with Alternate Domains
Using alternate domains is the best way to avoid being tagged as spam. This protects your primary domain from the potential adverse effects of cold email marketing. Each domain can create three sending accounts. It’s recommended to only send 50 emails daily per sending account. Alternate domains must also be forwarded to your primary domain.
Domain Forwarding and Authentication Setups
The last thing you want happening is leads clicking on your link and being redirected to a non-existent site. That’s why forwarding your alternate domains to my main one is essential. You also need the proper authentication for each alternate domain, including:
DMARC
DKIM
SPF
Without these authentications, you won’t be able to send and receive emails. If you’re not that tech-savvy, these setups might be confusing. That’s where Instantly’s DFY service comes in. You get to buy alternate domains and complete all authentication in the app.
Email Warmup
New sending accounts that immediately send bulk emails are red flags for email service providers. New accounts need email warmups to help them look more legitimate. This occurs naturally as you send and receive emails. Tools like Instantly allow you to automate email warmup for free for all sending accounts. The recommended warmup period is two to three weeks. Warmups should also count toward your daily sending limit. For example, you can send 30 cold emails for the first two weeks and have the remaining 20 as warmups.
Related Reading
• How to Send Bulk Emails
• Outreach Automation
• How to Know if Someone Opened Your Email
• How to Send a Cold Email for Networking
• How to Follow Up on a Cold Email
• Best Time to Send Cold Emails
27 Best Bulk Email Sender Tools
1. Inframail
Inframail is flipping the cold email script with unlimited inboxes at a single flat rate. Their Microsoft-backed deliverability and dedicated IP addresses help scale their outreach efficiently:
Agencies
Recruiters
SDRs
The main benefits of using Inframail:
Automated SPF, DKIM, and DMARC setup
Dedicated email servers for each user
16-hour priority support daily
Unlike traditional providers that charge per inbox and leave you wrestling with technical configurations, Inframail streamlines the entire process. They handle the complex infrastructure setup while you focus on reaching more prospects.
2. Instantly.ai
Instantly.ai offers unlimited warmups and sending accounts. But they don’t just help with numbers—they’re here to help:
Personalize emails
Manage leads
Automate the entire sales process
You can upload lead lists from any source. Once leads are uploaded, Instantly has a one-click bulk domain tester to verify lead lists. There’s also an option to find pre-verified leads using Instantly B2B Lead Finder. When leads are uploaded, you can use the AI generator to create custom variables through prompts. These custom variables can then be used to personalize email copy for each lead in your campaign.
Optimizing Personalized Emails: Variations, Spintax, and A/B Testing
After personalized emails have been sent, you can create variations and add spintax to improve deliverability. You can also enable the auto-optimize A/B testing feature, which instantly finds your best-performing email variation. Instantly’s Dealflow CRM allows you to send bulk emails and call or text prospects from your browser, ensuring a holistic sales cadence.
3. MailMeteor
MailMeteor integrates seamlessly with Gmail, transforming it into an email marketing platform complete with the following:
Bulk-sending
Automation
Personalization tools
You have three main options for MailMeteor:
The main dashboard
Gmail
Google Sheets
The Sheets integration lets you upload email lists and personalize emails using lead data. MailMeteor also offers tools for improving deliverability.
MailMeteor and Gmail: Navigating Sending Limits for Free and Workspace Accounts.
Their Pro or higher plan lets you use:
Unlimited email validation
Automated follow-ups
Here’s the kicker—MailMeteor can’t break Gmail’s sending limits. If you’re using a free Gmail account, you’ll still be limited to 500 emails daily. Workspace accounts can send up to 2,000.
4. Sender
Sender has one of the best free forever plans for a bulk email sender tool for newsletters and lead nurturing. You only need to:
Upload your lead list
Build your email
Automate emails
There are dozens of premade templates for:
Upselling
Product promos
Onboarding
You can also easily create an email using the drag-and-drop email builder tool.
Sender's Free Plan for Opt-In Lists: High Sending Limits and Automation Features
Even with the free plan, Sender lets you send 15,000 emails monthly—that’s right, around 500 emails daily (Gmail and Outlook’s sending caps). We recommend Sender for contacts who have opted in or subscribed to your email list.
Sender can segment contacts and automate personalized outreach for:
Abandoned carts
Special promos
Seasonal events
5. MailSoftly
MailSoftly offers the complete email marketing package, from landing page opt-in forms to lead email workflow automation. The best part is that you can try it out for free without a credit card. MailSoftly can segment contacts based on the following:
Customer behavior
Preferences
How they engage with your emails
It also leverages lead data to automate dynamic email personalization. If you’re not that good with email copy, MailSoftly has you covered. You can use MailSoftly’s AI email generator to create personalized emails for each lead in your list. Like Sender, MailSoftly offers intuitive, drag-and-drop email builder tools. Users can also select from various customized styles and templates for advertising, launching a new product, or sending a newsletter.
6. FluentCRM
Don’t let the CRM title fool you. FluentCRM can send bulk emails straight from your website. Unlike the rest of the tools in this list, Fluent is an email automation plugin for WordPress. You can use it to manage leads, create automated email sequences, and monitor user activity. It also has robust tools for automated email workflows, especially for eCommerce. Let’s say you have a form on your landing page. Fluent can automatically email a product recommendation when a lead submits the form. If the lead doesn’t purchase within a set period, Fluent can send a discount promotion email. What’s great about this feature is that Fluent won’t send emails blindly. Since it is a CRM, it will leverage lead data to personalize recommendations and relevant nurturing material.
7. SendPulse
Sending emails in bulk isn’t as simple as uploading an email list with thousands of leads and clicking “send all.” SendPulse helps you navigate the complexities with recommendations and best practices, such as email validation and maintaining sender reputation. Their AI tool, Automation 360, lets you create automated workflows that can work within email marketing best practices, such as limiting sending volume and frequency. And it doesn’t only work with emails. You can create a complete sales cadence starting with forms, chatbots, or SMS. Each email sent can be A/B tested to help you find the best-performing ones.
8. Campaign Monitor
Campaign Monitor lets you send beautifully crafted and personalized emails at scale. It also leverages SMS to create a holistic sales cadence for each lead segment. You can segment leads, track key metrics, and tailor the customer journey for each sales pipeline stage.
This is paired with:
In-depth analytics
A/B testing
Optimization tools
Campaign Monitor lets you choose between unlimited plans or charges for bulk sending based on the number of leads in your campaigns.
9. QuickMail
QuickMail automates contacting potential leads by sending personalized emails at scale, enabling users to connect with cold prospects efficiently. This tool streamlines outreach efforts, tracks responses, and increases the likelihood of engaging new business opportunities without manual intervention. It has the added benefit of LinkedIn automation and the ability to create omnichannel campaigns that start more conversations with prospects.
It’s simple to use:
Write your personalized email templates
Import your prospect list
Schedule your campaigns
You can schedule as many follow-up emails as needed in your campaign with a delay between steps. If someone replies, they'll be automatically removed from your campaign to ensure they don't receive any more automated emails from you.
10. Elastic Email
Elastic Email deserves mention as a bulk email marketing platform due to its comprehensive feature set tailored for high-volume senders of opted-in outreach. It offers a robust API and SMTP Relay service, ensuring seamless integration with various applications and services. From a marketing standpoint, it competes with major email marketing platforms like Mailchimp and Sendinblue (which we’ll look at later in this guide). With advanced analytics, you can track email performance and optimize campaigns effectively. The platform's cost-efficiency is a standout, making it accessible for businesses of all sizes. With automation and segmentation capabilities, you can personalize messages and target specific audience groups. Ultimately, this boosts engagement and conversion rates.
11. SendFox
SendFox stands out as an email marketing service due to its cost-effective pricing structure, explicitly tailored for:
Content creators
Bloggers
Small businesses
It offers a straightforward interface and essential features like automation, allowing you to efficiently manage campaigns without overwhelming complexity. SendFox’s affordability makes it an attractive option for those needing reliable email marketing tools without the hefty investment that other services require. You get a balance between functionality and budget. One of the trade-offs is that SendFox doesn’t have some of the more advanced features that other email marketing platforms have, like website integration and an elaborate editor.
12. Brevo
Brevo stands out as a bulk emailing service due to its user-friendly interface and advanced automation features, making it a strong choice for businesses of all sizes. It offers robust analytics tools that allow users to track real-time email performance and engagement, an essential feature for optimizing marketing strategies. Compared to some other services, Brevo provides superior segmentation capabilities, enabling more targeted and personalized email campaigns. Its high deliverability rates also ensure that emails reach recipients' inboxes more effectively. The cost-effectiveness of Brevo, combined with its dedicated customer support, makes it an attractive option for companies seeking a reliable bulk emailing solution.
13. ActiveCampaign
ActiveCampaign is another excellent option for bulk email. With advanced automation capabilities, you can send highly targeted emails based on user behavior and preferences. This can result in more relevant communication than other services offering basic segmentation. Also, its robust analytics tools provide detailed insights into campaign performance, helping you adjust strategies for better engagement. Its user-friendly interface streamlines the creation and management of email campaigns, making it accessible for beginners and experts. To keep your emails personalized, you can use merge tags like first name, city, recent purchase, and more, which can be dynamically inserted into email templates. It's an excellent platform for anyone wanting to send emails at scale to an opted-in subscriber base.
14. GetResponse
GetResponse stands out for its user-friendly interface and advanced automation features, making it ideal for crafting and distributing newsletters. The platform offers various customizable templates, streamlining visually appealing and engaging content creation. The detailed analytics tools enable users to track the performance of their campaigns and optimize future emails for better engagement. With its list management capabilities, users can segment their audience for targeted communication, enhancing content relevance for each subscriber. GetResponse's high deliverability rates ensure that newsletters reach recipients' inboxes, thereby maximizing the impact of email marketing efforts.
15. ConvertKit
ConvertKit offers a robust bulk emailing service tailored for creators looking to engage their audience effectively. Its visual funnel builder feature allows intuitively creating email sequences, facilitating targeted campaigns, and automating sales processes. This contrasts with Mailchimp, which offers a broader range of templates but a less focused funnel design tool. ConvertKit's service excels in user segmentation and personalization, ensuring high deliverability and open rates. Ideal for bloggers, digital marketers, and online course creators, ConvertKit simplifies complex email marketing strategies into manageable, result-driven tasks. It may come at a premium compared to generic solutions like Constant Contact.
16. MailerLite
MailerLite's bulk emailing service stands out with its user-friendly email editor, enabling seamless creation and customization of campaigns. This intuitive interface simplifies the design process, making it accessible even for those with minimal technical expertise. Compared to Mailchimp, MailerLite offers a competitive edge with its affordability and straightforward pricing structure. The platform also shines with robust automation features, segmenting tools, and detailed analytics, allowing users to tailor their strategies effectively and track performance. Ideal for small—to medium-sized businesses, MailerLite balances simplicity and functionality, making it a strong contender in the email marketing space.
17. CleverReach
CleverReach is a reliable bulk email marketing platform with an intuitive user interface. It is accessible for beginners while still providing advanced features for seasoned marketers. Its comprehensive analytics tools enable users to track campaign performance and optimize strategies based on detailed reports. The platform supports segmentation and personalization, allowing businesses to tailor their messages to specific audience groups for improved engagement. Automated workflows save time by managing repetitive tasks and nurturing leads. As a plus, CleverReach integrates with popular e-commerce systems, enhancing the potential for targeted, effective promotions that can drive sales and customer loyalty.
18. Mailjet
Mailjet's transactional emailing service excels with its user-friendly API, allowing developers to integrate mailing features into applications seamlessly. This API's robustness positions Mailjet as a strong contender against popular services like SendGrid and Mailchimp. Mailjet supports a variety of use cases, from transactional emails to large-scale marketing campaigns, and it can send up to 15 million emails per hour. The platform offers real-time analytics, aiding businesses in tracking performance metrics effectively. The platform has integrated email deliverability tools to help ensure your emails don’t land in the spam folder. They also support large accounts with an account manager who can provide your:
SPF
DKIM
IP address
Email domains
Other technical details
19. Postmark
Postmark distinguishes itself in the bulk emailing landscape with a robust focus on transactional emails. It ensures high deliverability rates and swift delivery times for critical communications like password resets and order confirmations. It’s known for its short inboxing time (the average email sent to Gmail via Postmark arrives in 4.86s). Postmark’s infrastructure is optimized for applications where reliability is paramount. Compared to services like SendGrid or Mailgun, which also offer extensive marketing email capabilities, Postmark is often praised for its streamlined approach that prioritizes transactional messages over promotional campaigns.
Fast, Reliable, and Template-Ready: Postmark for Transactional Email Needs
This specificity makes it a preferred choice for developers and businesses that require immediate email delivery without the additional features that cater to broader marketing efforts. Postmark also offers an extensive library of ready-made responsive templates for welcome emails, password resets, and order confirmations, which makes it easy to get up and running.
20. Mailgun
Mailgun is a transactional email API service for developers and businesses that want to send transactional or bulk emails from their applications using Mailgun’s SMTP relay. It’s best for teams with a technical background who can set up and customize it to work in cohesion with your app.
For Marketers and Mass Communication: Mailgun's Solution for Promotional Campaigns and Newsletters
You’ll need to create your emails in a separate platform and send them using Mailgun’s relay. The platform caters to businesses needing mass communication, such as promotional campaigns or newsletters, by providing detailed analytics and real-time monitoring. Its adaptive algorithms help maintain a good sender reputation, a critical factor that sets it apart from some of its competitors. Mailgun's focused optimization for bulk sends, user-friendly APIs, and flexible email validation features position it as a preferred choice for marketers aiming for reach and reliability in their email strategies.
21. SendGrid
SendGrid is a cloud-based service that offers an SMTP interface, allowing seamless integration with existing applications. Its robust infrastructure supports high-volume sending, ensuring reliability and scalability. With advanced analytics, SendGrid provides insights into email performance, aiding optimization efforts. While similar services like Mailchimp offer user-friendly interfaces and marketing automation, SendGrid stands out for developers seeking comprehensive API access and customization. Plus, Sendgrid maintains high deliverability with proactive ISP outreach and reputation monitoring, a critical consideration for businesses aiming to reach large audiences without being flagged as spam.
22. Amazon SES
Amazon Simple Email Service (SES) is a robust transactional email platform that facilitates high-volume email sending for businesses. Its key features include a flexible IP deployment model and a reputation dashboard for monitoring email sending health.
Balancing Scalability and User Experience: SES's Strengths and Weaknesses
You’ll also find tools to help you easily authenticate your emails with SPF and DKIM to ensure your recipients’ inboxes are always likely to let your emails through. SES is beneficial for applications requiring reliable delivery of notifications, such as password resets or purchase confirmations. Compared to competitors like SendGrid or Mailgun, SES stands out for its deep integration with AWS services, offering advantages in scalability and cost for AWS-centric environments. However, it might be less intuitive for beginners than some other services, which prioritize user-friendly interfaces and extensive marketing features.
23. SMTP2GO
SMTP2GO offers a robust transactional emailing service, providing reliable delivery for time-sensitive communications. It ensures that important messages, such as password resets or purchase confirmations, reach their recipients promptly. Featuring detailed analytics, SMTP2GO allows businesses to track emails and optimize their communication strategies. Unlike competitors like SendGrid or Mailgun, SMTP2GO stands out for its user-friendly interface and exceptional customer support. While all these services excel in deliverability, SMTP2GO's emphasis on simplicity and support can benefit small to medium-sized businesses without dedicated IT teams to manage their email infrastructure.
24. GMass
GMass is email-sending software for Gmail. If you’re looking for a tool to set up bulk emails right in Gmail, GMass is the answer. GMass is a Chrome extension that allows you to set up marketing campaigns inside your Gmail account. It’s a simple solution for individual entrepreneurs or small businesses that must set up email campaigns fast.
GMass’s best bulk email software features:
Gmail integration. Work directly within your familiar Gmail interface — no need to learn a new platform.
Integration with Google Sheets. Connect GMass to your Google Sheets to easily pull in your contact lists and personalize emails.
Email verification. GMass checks your email lists and messages for spam triggers, keeping your sending reputation squeaky clean.
Unsubscribe management. You can add list-unsubscribe headers to your emails. From there, GMass handles unsubscribes automatically.
25. AWeber
AWeber is an email marketing service that helps businesses send email campaigns from start to finish. Like Mailchimp, AWeber integrates with Canva. AWeber takes it a step further – you can design with Canva directly within your AWeber account.
AWeber’s best bulk email software features an email marketing API.
AWeber's API lets you seamlessly route large transactional email volumes (e.g., order confirmations and shipping updates) through its reliable infrastructure and domain authentication.
Set up your DMARC record in AWeber to comply with Gmail and Yahoo Mail sender requirements.
Unlimited email sending in paid plans. Although you have to pay for subscribers, there's no limit on the number of emails you can send to them.
Heads up: AWeber doesn’t offer a dedicated IP address, which might be a serious drawback for power senders.
26. Omnisend
Omnisend is designed especially for e-commerce businesses. It has pre-built automation workflows for welcome emails, abandoned cart reminders, and more. You can integrate it with your Shopify store or other ecommerce platforms. Omnisend also lets you send SMS messages alongside your email campaigns.
Omnisend’s best features for bulk sending:
Ecommerce integrations: Quickly pull in products from your store to populate your bulk emails with dynamic product recommendations. Plugins include Shopify, BigCommerce, etc.
Dynamic discount codes: Include dynamic incentives in mass emails. Omnisend will automatically sync the data with your e-commerce platform.
Domain verification: Omnisend generates SPF, DKIM, and DMARC records. That way, you can authenticate your domain and comply with the latest regulations.
Dedicated IP: The platform offers dedicated IPs for high-volume senders and warm-up guidelines.
27. Moosend
Moosend is among the best email marketing tools to kickstart your bulk email marketing strategy. This tool is ideal for the job because it delivers emails well, you can send unlimited campaigns regardless of plan, and it has existing certifications and compliances (CSA, GDPR, Anti-Spam, etc.).
From Design to Automation: Moosend's Comprehensive Email Marketing Platform
Moosend offers a user-friendly drag-and-drop email builder for creating campaigns. The email newsletter templates are responsive and customizable, allowing you to craft a quick message in a few minutes. The intuitive audience management tool will enable you to manage your contacts and keep everything organized. This email software will equip you with a powerful yet easy-to-implement marketing automation tool, pre-made recipes, and a fast Email API to streamline your operations. After sending your bulk email campaign, you can use real-time email tracking tools to monitor performance and optimize your strategy.
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Start Buying Domains Now and Setup Your Email Infrastructure Today
Inframail revolutionizes cold email infrastructure with unlimited inboxes at a flat rate. With Microsoft-backed deliverability and dedicated IP addresses, we help scale their outreach efficiently:
Agencies
Recruiters
SDRs
Main benefits of using our service:
Automated SPF, DKIM, and DMARC setup
Dedicated email servers for each user
16-hour priority support daily
Unlike traditional providers that charge per inbox and leave you wrestling with technical configurations, Inframail streamlines the entire process. We handle the complex infrastructure setup while you focus on reaching more prospects. InfraMail provides a robust email infrastructure without the usual technical headaches and per-inbox costs, whether you're:
An agency looking to scale outreach
A recruiter connecting with candidates
An SDR driving sales
Start buying domains now and set up your email infrastructure today with our email infrastructure tool.
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