Tools / product

Stalwart

Rust IMAP/JMAP/SMTP server. Dual-licensed AGPL-3.0 and SELv2; GitHub license field is unset (catalog Other) — skip SELv2 if you want OSS-only.

URL: https://stalw.art
GitHub: https://github.com/stalwartlabs/stalwart
Collection: Developer Tools
Language: Rust
License: Other
Stars: 15,283
Open source: Yes

email imap jmap smtp self-hosted open-source

Used in stacks

Mailcow / Stalwart

Ranked on

Best open-source Email servers

Compared with

Stalwart vs Mailcow