Inbox providers · tied for 14th of 52 · 2026
Inframail pricing and review
inframail.io · Flat-rate unlimited inboxes · legal entity: Inframail LLC · Visit site ↗
- Deliverability9/27
- Inbox choice8/16
- Sending4/15
- API & AI4/7
- Buying terms10/10
- Setup cost24/25
Why it ranks here
Sells Microsoft 365 inboxes. A working setup of 30 inboxes with warm-up and a sequencer costs $108 a month, one of the lowest in the index. Deliverability: automatic SPF/DKIM/DMARC and dedicated IPs. It has a public API for automation. At $0.37 per inbox, it is among the cheapest quarter of providers we track (median $3.15).
Key features
- Automatic SPF/DKIM/DMARC
- Microsoft 365 inboxes
- Dedicated IPs
- One-click export to other sequencers
- A public API
Best for
Teams that already run a sequencer and only need inboxes.
Pricing
- Per inbox
- $0.37
- Cheapest plan
- $147/mo
Monthly billing. Pricing page ↗ · checked Oct 31, 2026
Scorecard
| DeliverabilityWhat protects sender reputation without extra tools or subscriptions. | 9/27 | ||
|---|---|---|---|
| Inbox choiceWhich types of inboxes and domains you can get in one place. | 8/16 | ||
| Sending and workflowWhether you can run and manage campaigns without another tool. | 4/15 | ||
| API and AI agentsHow easy it is to automate the setup from code or an AI assistant. | 4/7 | ||
| Buying termsHow much you risk before you know it works. | 10/10 | ||
| Cost of a working setupWhat 30 inboxes plus warm-up and a sequencer cost per month — the cheaper, the more points. | 24/25 | ||
| Total | 59/100 | 14 of 20 conditions checked |
The evidence
Every condition, what the vendor's own site says, and where.
| Deliverability | |||
|---|---|---|---|
Ongoing warm-up included in the priceNot offeredDo I still need to warmup with Inframail? We recommend warming up new inboxes the same way you would on any platform. | source ↗ | 0/6 | |
Pre-warmed inboxesNot offeredWe recommend warming up new inboxes the same way you would on any platform. | source ↗ | 0/2 | |
Automatic SPF, DKIM and DMARC setupConfirmedwith SPF, DKIM and DMARC configured automatically | source ↗ | 5/5 | |
| Inbox placement or spam testsNot found on site | 0/5 | ||
| Replacement of burned inboxes or domainsNot found on site | 0/5 | ||
Dedicated IP optionConfirmed3 Dedicated US IPs ready-to-go | source ↗ | 4/4 | |
| Inbox choice | |||
Google Workspace inboxesNot offeredMost customers drop their expensive per-seat Google Workspace and Outlook subscriptions | source ↗ | 0/5 | |
Microsoft 365 / Outlook inboxesConfirmedYour inboxes run on dedicated, Microsoft-backed infrastructure | source ↗ | 5/5 | |
| Private SMTP/IMAP inboxesNot found on site | 0/3 | ||
Domain purchase inside the productConfirmedAre domains included with the plan? Yes. You can buy domains directly inside Inframail | source ↗ | 3/3 | |
| Sending and workflow | |||
Built-in campaign sequencerNot offeredSmartlead are sending tools — Inframail is the infrastructure they run on. We provide the domains and inboxes; they run the campaigns. | source ↗ | 0/5 | |
| Unified inbox for repliesNot found on site | 0/4 | ||
Export to other sending toolsConfirmedYou connect your inboxes to a sending tool (Instantly, Smartlead and similar) and send from there, while Inframail handles the inboxes, domains and authentication underneath | source ↗ | 4/4 | |
| Multi-client workspaces or white-labelNot found on site | 0/2 | ||
| API and AI agents | |||
Public APIConfirmedAPI Access | source ↗ | 4/4 | |
| Official MCP serverNot found on site | 0/3 | ||
| Buying terms | |||
Prices published on the siteConfirmedUnlimited Plan $147 /Month ... Agency Pack $387 /Month | source ↗ | 4/4 | |
Free plan, free trial or money-back guaranteeConfirmedMoney-back guarantee | source ↗ | 4/4 | |
Monthly billing availableConfirmedMonthly Yearly Save 30% | source ↗ | 2/2 | |
| Cost of a working setup | |||
Cost of a working setup (30 inboxes)Calculated30 inboxes × $0.37 = $11.10 + $97 — Instantly Hypergrowth for warm-up and sending (the inbox price includes neither) = $108/month | how ↗ | 24/25 | |
Alternatives to Inframail
Where we checked
Only the vendor's own public pages. We do not use third-party reviews or ratings. Something wrong? Send a correction.
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