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Reeva vs Fastmail

Fastmail is the longest-running independent email service and the original co-author of JMAP. Reeva is built on a similar open-standards philosophy, with an open-source mail engine (Stalwart) and a bundled encrypted file cloud. Here is how the two compare.

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Feature Reeva Fastmail
Custom domain Paid plans Paid plans
JMAP native protocol
IMAP / SMTP support
Encryption in transit (TLS)
Encryption at rest
No advertising business
Calendar (CalDAV)
File cloud bundled with mail — Fastmail focuses on mail/contacts/calendar
Open-source mail server (Stalwart)
Password vault
Free plan — Fastmail is paid-only after the trial
Web, desktop, mobile clients

When Reeva is the better fit

  • You want encrypted mail, calendar and a private file cloud in one subscription.
  • You want to start free and upgrade as you go.
  • You value an auditable, open-source mail server.

When Fastmail is the better fit

  • You want a long-established provider with mature mobile and desktop apps today.
  • You only need mail, contacts and calendar (no extra file cloud).

Information about Fastmail reflects publicly documented features at time of writing. Tell us if anything is out of date.