Stalwart Mail

hard
Email

Modern all-in-one mail server with JMAP, IMAP, and SMTP support written in Rust.

1 GB RAM min Active development
GitHub Docs Website

Replaces

Gmail

Pros

  • Written in Rust for performance
  • Modern JMAP protocol support
  • All-in-one server
  • Low resource usage for a mail server

Cons

  • Newer project with less battle-testing
  • Smaller community than Mailcow
  • Email self-hosting is inherently complex
  • Deliverability still requires careful setup

Tags

emailmail-serverjmapimapsmtprust

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