Comparison
CEO and co-founder
Cold Email Infrastructure ROI Calculator: Infraforge vs Inframail
Updated March 2, 2026
TL;DR: Per-inbox pricing from Google Workspace ($8.40/user) destroys agency margins as you scale. At 200 inboxes, you're paying $1,680/month. Our flat-rate $129/month covers unlimited inboxes on dedicated IPs, saving agencies $18,000+ annually at that scale. Infraforge uses per-mailbox pricing at $4-5 per mailbox (roughly $200-250/month for 50 inboxes), making it cheaper than Workspace but more expensive than our flat fee. Both dedicated infrastructure options beat Google on deliverability and cost control, but our economics improve with every inbox you add. Use the framework below to calculate your specific savings.
You just signed three new clients. Your revenue jumped by $9,000/month. Your Google Workspace bill jumped by $400. That's the agency margin trap in action.
We'll break down the Total Cost of Ownership (TCO) for Google Workspace, Infraforge, and our platform across 50, 100, and 200 inbox scenarios. You'll see the setup time savings, deliverability differences, and migration steps so you can make an informed infrastructure decision backed by real math.
Important clarification: Infraforge.ai is the cold email infrastructure provider we're comparing here. There's a separate company at infraforge.com focused on AI multi-agent cloud deployment. They're completely different businesses.
The agency margin trap: why per-inbox pricing fails at scale
Google Workspace Business Starter costs $8.40/user/month or $7/user/month with an annual commitment. That sounds reasonable when you're running 10 inboxes. The math breaks when you scale.
Here's what happens to your infrastructure bill as you grow:
Inbox Count | Google Workspace Monthly | Inframail Monthly | Monthly Savings |
|---|---|---|---|
50 inboxes | $420 | $129 | $291 |
100 inboxes | $840 | $129 | $711 |
200 inboxes | $1,680 | $129 | $1,551 |
At 200 inboxes, you're paying $1,680/month just for email infrastructure. That's $20,160 annually before you factor in domains, warmup tools, or your sending platform. For an agency billing $10,000/month across 10 clients, infrastructure now consumes 16.8% of gross revenue on email alone.
The problem isn't just cost. Google uses shared IP pools for all users, not dedicated IPs. Your emails share IP addresses with millions of other users. If someone else on that shared IP sends spam, your deliverability suffers. You're gambling with client campaigns every time you hit send.
Private cold email infrastructure solves both problems by using dedicated servers for your email sending. You control your IP reputation while eliminating per-seat pricing that scales against you.
As one verified user review of Inframail put it:
"So affordable that it will make your unit economics work, even for lower ticket b2b businesses like ours."
Infraforge vs Inframail: feature and pricing comparison
Both platforms offer dedicated infrastructure for cold email, but their pricing models differ significantly. Let me break down what each includes so you can calculate the real cost for your agency.
Pricing model breakdown
Infraforge operates on per-mailbox pricing, starting at $4 per mailbox per month with volume discounts down to $2.50 for bulk users. Here's the catch: Infraforge uses a "slots" system. If you purchase 10 slots but only create 5 mailboxes, you're still charged for all 10 slots. This means you're paying for capacity, not usage.
We charge a flat $129/month for unlimited inboxes on dedicated IPs. Whether you create 50 or 500 inboxes, the platform fee stays the same. Our Agency Pack at $327/month adds two more dedicated IPs for agencies managing multiple client campaigns who need IP isolation.
Feature | Google Workspace | Infraforge | Inframail (Us) |
|---|---|---|---|
Pricing Model | $8.40/user/month | $4-5/mailbox/month | $129/month flat |
50 Inbox Cost | $420/month | $200-250/month | $129/month |
200 Inbox Cost | $1,680/month | $500-800/month | $129/month |
IP Type | Shared pools | Dedicated | Dedicated |
DNS Setup | Manual | Automated | Automated |
Setup Time | 15-30 min/domain | ~5 minutes | ~3 minutes |
Feature comparison
Both Infraforge and our platform include automated DNS setup with DMARC, SPF, and DKIM configuration. This eliminates the manual work of logging into registrar panels and configuring records one by one.
Infraforge features:
Dedicated IPs for each mailbox
Domain masking with SSL and proxies
White-label reseller program for agencies
Automatic technical setup in 5 minutes
What we offer:
Unlimited inboxes on dedicated IPs
SPF, DKIM, DMARC configuration in seconds
Built on Microsoft cloud infrastructure
Domain purchase and transfer within platform
One verified user review of Inframail described the difference:
"The setup is ridiculously fast. SPF, DKIM, DMARC, forwarding - all handled in literally seconds without me having to dig through docs or guess what records to add."
Total cost of ownership (TCO) analysis: 50, 100, and 200 inboxes
Platform fees tell only part of the story. A complete TCO calculation includes domains, warmup tools, and the sending platform. Let me break down each scenario with real numbers.
TCO variables to consider
Your actual monthly infrastructure cost includes:
Platform fee: The subscription cost for your email infrastructure
Domain costs: Typically $16.44/year per domain, or about $1-1.50/month amortized
Warmup tools: External tools like Warmbox at $15-50/month per inbox or built-in warmup if available
Sending platform: Instantly, Smartlead, or similar ($77-197/month depending on tier)
Scenario A: 50 inboxes (typical 5-8 client agency)
Cost Component | Google Workspace | Infraforge | Inframail (Us) |
|---|---|---|---|
Platform Fee | $420/month | $200-250/month | $129/month |
Domains (50 × $1.37/mo) | $62/month | $62/month | $62/month |
External Warmup | Optional | Optional | Optional |
Total Platform Cost | $482/month | $262-312/month | $191/month |
Annual savings switching from Google Workspace to Inframail: $3,492
Scenario B: 100 inboxes (growing agency, 8-12 clients)
Cost Component | Google Workspace | Infraforge | Inframail (Us) |
|---|---|---|---|
Platform Fee | $840/month | $400-500/month | $129/month |
Domains (100 × $1.37/mo) | $125/month | $125/month | $125/month |
Total Platform Cost | $965/month | $525-625/month | $254/month |
Annual savings switching from Google Workspace to Inframail: $8,532
The gap widens. Infraforge's per-mailbox pricing doubles your platform cost, while our flat rate stays constant.
Scenario C: 200 inboxes (scaled agency, 15-20 clients)
Cost Component | Google Workspace | Infraforge | Inframail (Us) |
|---|---|---|---|
Platform Fee | $1,680/month | $500-800/month | $129/month |
Domains (200 × $1.37/mo) | $250/month | $250/month | $250/month |
Total Platform Cost | $1,930/month | $750-1,050/month | $379/month |
Annual savings switching from Google Workspace to Inframail: $18,612
At 200 inboxes, you're saving over $18,000 annually versus Google Workspace. That's equivalent to adding three net-new clients at $500/month retainers.
The Ultimate Cold Email Infrastructure Guide from our channel walks through these calculations in detail.
The ROI calculator: estimating your annual savings
Use this framework to calculate your specific savings based on your current infrastructure and growth plans.
Input variables
Gather these numbers from your current setup:
Current monthly platform cost: Your Google Workspace, Zoho, or existing infrastructure bill
Number of active inboxes: Count across all client campaigns
Domains owned: Total domains in your portfolio
Average domain cost: Usually $16.44/year
Hours spent on DNS setup monthly: Track this for one month if you haven't
Calculation framework
Step 1: Calculate current annual spend
(Monthly platform cost × 12) + (Domains × Average domain cost) = Current Annual Infrastructure Cost
Step 2: Calculate Inframail annual spend
($129 × 12) + (Domains × $16.44 average) = Inframail Annual Cost
Step 3: Calculate savings
Current Annual Cost - Inframail Annual Cost = Annual Savings
Step 4: Calculate payback period
If switching costs exist (domain transfers at $5 each), divide by monthly savings.
Example calculation
An agency running 100 inboxes on Google Workspace:
Current: (100 × $8.40 × 12) + (100 × $12) = $10,080 + $1,200 = $11,280/year
Inframail: ($129 × 12) + (100 × $12) = $1,548 + $1,200 = $2,748/year
Annual Savings: $8,532
Payback Period: Less than 1 month
One user shared their experience in a verified user review of Inframail:
"The ROI on this is stupid good. We're saving cash and more importantly, we're saving time."
For a deeper walkthrough of calculating email sending capacity, check our Help Center.
Beyond the spreadsheet: setup time and deliverability impact
The platform fee comparison misses two major ROI drivers: labor costs and client retention. Both depend on how quickly you can launch campaigns and maintain inbox placement.
Time ROI: the hidden labor cost
Manually configuring SPF, DKIM, and DMARC records typically takes 15-30 minutes per domain for experienced users. That's before troubleshooting propagation delays or configuration errors.
For 50 domains, manual setup consumes 12.5-25 hours. At a $50/hour effective rate (your time as an agency founder), that's $625-1,250 in labor cost per batch of domains.
We advertise "domains to inboxes in 180 seconds", and users confirm this matches reality.
Watch the InfraMail Setup Tutorial to see the actual workflow.
Labor cost comparison for 50 domains:
Setup Method | Time Required | Labor Cost at $50/hr |
|---|---|---|
Manual DNS | 12.5-25 hours | $625-1,250 |
Inframail Automated | 1-2 hours | $50-100 |
Savings per batch | 10-23 hours | $525-1,150 |
Deliverability ROI: protecting client retention
Dedicated IPs isolate your sending reputation from other users. With shared IPs, your reputation is tied to other users on the same IP. If someone else sends spam, your deliverability suffers even if your practices are clean.
We've measured 88% inbox rate via GMass testing and 9.5/10 on Mail-Tester. Our founder has acknowledged this may run 10-15% below native Gmail/Outlook deliverability, but the trade-off makes sense when you factor in cost savings and IP isolation.
One verified user review of Inframail shared:
"I've been using them ever since. Don't look back. Pretty solid deliverability compared to other platforms I've used in the past."
For an in-depth comparison, watch our video on dedicated IP vs shared IP pools.
Another campaign user reported in their verified user review of Inframail:
"All of my campaigns on Inframail are on a >10% reply rate, which is really good."
Migration guide: how to switch infrastructure in under 24 hours
Moving from Google Workspace or another provider to our platform requires five steps. Most agencies complete the process in a single afternoon.
Step 1: Audit and export
Document your existing domains, inboxes, and which sending platforms they connect to. Export any email lists or campaign data you need to preserve.
Step 2: Purchase or transfer domains
You have two options:
Buy new domains: Purchase directly through our platform at $16.44/year for .com or $9.44/year for .info domains
Transfer existing domains: Each transfer costs $5 and takes 24 hours to complete
For scaling guidance, watch how to send 1000+ cold emails from our channel.
Step 3: Run automated DNS setup
Once your domains are in our system, we automatically configure SPF, DKIM, and DMARC records. Setup takes seconds, not hours.
A verified user review of Inframail described their experience:
"Inframail has been absolute gold in terms of delivering a great customer experience, and allowing me to spin up cold email infrastructure at scale for my clients as easily and fast as possible."
Step 4: Export credentials and connect
Download your inbox credentials as CSV and import them into your sending platform. We provide CSV export functionality designed for this workflow. Check compatible email platforms to confirm your setup.
Step 5: Start warmup
Dedicated IPs require warmup before reaching maximum deliverability. Follow our inbox warmup guide for best practices.
Choosing the right infrastructure for growth
The math is clear: per-inbox pricing models like Google Workspace punish growth. Every new client means a higher infrastructure bill that chips away at margins.
Infraforge offers a solid middle ground at $4-5/mailbox, giving you dedicated IPs and automated setup at roughly half the cost of Workspace. If your inbox needs are stable month-to-month, their slots-based pricing can work well for predictable budgeting.
Our flat $129/month plan eliminates the scaling penalty entirely. Add 50 inboxes or 200, your platform cost stays constant. The economics improve with every inbox you create.
If you're managing 50+ cold email domains, you'll save over $3,000 annually versus Workspace. That's before factoring in the 10-20 hours of labor saved monthly through our automated DNS setup.
One verified user review of Inframail who tested multiple providers summarized it:
"We spent months hunting for a reliable cold-emailing stack. After repeated failures with another provider, we trialled two options—Inframail and a competitor. We chose the competitor. A month later, we switched back to Inframail. Zero issues since. Rock-solid infrastructure, sharp support, genuinely dependable."
Sign up to Inframail and get started today.
Frequently asked questions
What is the difference between Infraforge and Inframail?
Infraforge charges $4-5 per mailbox monthly using a slots-based system. We charge a flat $129/month for unlimited inboxes. Both offer dedicated IPs and automated DNS, but our pricing remains constant regardless of inbox count.
How much can I save switching from Google Workspace?
At 50 inboxes, you'll save roughly $291/month ($3,492/year) switching to our platform. At 200 inboxes, your savings reach $1,551/month ($18,612/year) with our flat-rate pricing.
Does Inframail include automated warmup?
We provide infrastructure and DNS automation but recommend external warmup tools or your sending platform's built-in warmup. Our warmup guide covers best practices.
Can I use my existing domains with Inframail?
Yes. Domain transfers cost $5 each and take 24 hours to complete. You can also purchase new domains directly through our platform.
What is the setup time for 50 inboxes?
Our users typically set up 50 inboxes in under 2 hours with our automated system, compared to 12-25 hours for manual DNS configuration.
What is the difference between infraforge.ai and infraforge.com?
Infraforge.ai is the cold email infrastructure provider. Infraforge.com is a completely separate company focused on AI multi-agent cloud deployment for DevOps purposes.
Key terminology
Private cold email infrastructure: Dedicated servers used exclusively for cold email sending, isolating your IP reputation from other users and avoiding shared IP blacklist risks.
Dedicated IP: An IP address assigned solely to your account for sending emails. Your sending behavior alone determines reputation, unlike shared pools where other users' actions affect your deliverability.
SPF/DKIM/DMARC: DNS authentication records required for email deliverability. SPF specifies which servers can send on your behalf, DKIM adds cryptographic signatures, and DMARC tells receiving servers how to handle authentication failures.
TCO (Total Cost of Ownership): The complete cost of infrastructure including platform fees, domain registration, warmup tools, sending platforms, and labor for setup and maintenance.
Slots-based pricing: A billing model where you pay for capacity (slots) rather than actual usage. If you purchase 10 slots but only use 5, you still pay for all 10.
Inbox placement rate: The percentage of emails that land in the primary inbox versus spam or promotions tabs. Higher rates directly correlate with meeting volume and client retention.
