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c/stalwart

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Project infostalwartlabs/stalwart

About

All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

Open sourceCreated November 7, 2026

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Open-source project

Avatar from GitHubstalwartlabs/stalwartView on GitHub
Community-run · not official
Stars
15.7K
Forks
1K
Language
Rust

Last commit Nov 4, 2026

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stalwart: Open-source mail and collaboration server with comprehensive support for email, calendar, contact, and file protocols.

What problem it solves Organizations need to operate email and collaboration services across multiple client protocols while also addressing authentication, spam filtering, security, administration, and deployment requirements. The project aims to provide these capabilities in one server written in Rust and designed to be secure, robust, and scalable. Key features Email Protocol Support — The emai…

github.comhttps://github.com/stalwartlabs/stalwart