Stalwart v1.0: The Fastest Mail Server on the Planet
- Oct 26, 2026 - 16 min read Five years ago, on 3 October 2021, the first commit landed in a small repository called mail-parser.
- It was an e-mail parsing library written in Rust, and nothing more.
- Over the following five years it grew into a complete mail and collaboration server with JMAP, IMAP, POP3, SMTP, CalDAV, CardDAV and WebDAV, a spam filter, clustering, and support for half a dozen storage backends.
Unverified
- Oct 26, 2026 - 16 min read Five years ago, on 3 October 2021, the first commit landed in a small repository called mail-parser.
- It was an e-mail parsing library written in Rust, and nothing more.
- Over the following five years it grew into a complete mail and collaboration server with JMAP, IMAP, POP3, SMTP, CalDAV, CardDAV and WebDAV, a spam filter, clustering, and support for half a dozen storage backends.
Sources: Stalw