Compare / Inframail
Mailionaire vs Inframail
Inframail offers Microsoft-backed inboxes on flat, high-volume 'unlimited' plans.
| Mailionaire | Inframail | |
|---|---|---|
| Email platform | Microsoft 365 | Microsoft 365 / Azure |
| Who runs it | Done for you (managed) | Done for you |
| Pricing model | Per active domain, flat — no per-mailbox metering | Flat volume tiers (unlimited inboxes) |
| EU / Swiss data residency | Optional EU/Swiss (EU/CH IPs, Microsoft EU Data Boundary) | US IP space |
Inframail details are a snapshot from mid-2026; check their site for current details.
Choose Inframail if…
- — You want a flat, high-volume plan with a fixed monthly bill.
- — Unlimited inboxes per plan matters to you.
- — You send mostly to US recipients.
Choose Mailionaire if…
- You send to European recipients, or need mailbox data to sit in the EU/Switzerland (EU/CH IPs, Microsoft EU Data Boundary).
- You want one isolated Microsoft 365 tenant per domain, not pooled volume.
- You want one flat price per sending domain, with no per-mailbox metering and no year-two price jump.
Neither option makes cold email legal: consent and the recipient's local law are always the sender's responsibility, whichever provider you use. See is cold email legal? and what EU residency does and doesn't do.
Want the full picture? Compare all providers side by side, or see how Mailionaire works and what it costs.
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