Your own mail server doesn't have to consist of two dozen containers. Stalwart packs the complete mail server – SMTP, IMAP, JMAP, spam filter and storage – into a single container written in Rust. That makes it lean, fast and low-maintenance: the modern, lightweight alternative to heavyweights ...

Source: [Dev.to](https://dev.to/serverkueche/stalwart-the-lightweight-mail-server-in-a-single-container-3pcd)

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