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Stalwart Mail Server

Stalwart Mail Server

Stalwart is an open-source all-in-one mail and collaboration server written in Rust, supporting IMAP, JMAP, SMTP, CalDAV and CardDAV.

About Stalwart Mail Server

Stalwart Mail Server is an open-source mail and collaboration server written in Rust that combines everything in one application. It supports the protocols IMAP, JMAP, SMTP, CalDAV, CardDAV and WebDAV. According to the provider, DMARC, DKIM, SPF and ARC are built in, along with spam filtering, encryption at rest and cluster support. The community edition is licensed under AGPL-3.0, with an optional enterprise licence for additional features. The project is attributed to the United Kingdom and suits anyone who wants to run their own mail server, as an alternative to Gmail and Exchange.

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