Stalwart

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

1,715

•

325Online

•

English

Submitted by DiscordHunt

Nov 1, 2025

About This Server

Server Created:December 23rd, 2021

Science & Tech Collaboration Business decentralization mail_server open_source

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Hunter

Submitted by DiscordHunt

Hunted Date

November 1, 2025

Language

English

Pricing

Free

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Stalwart is an open-source mail & collaboration server with JMAP, IMAP4, POP3, SMTP, CalDAV, CardDAV and WebDAV support and a wide range of modern features. It is written in Rust and designed to be secure, fast, robust and scalable. Stalwart Labs' mission is to help modernize, democratize and promote decentralization of email by creating an open-source mail server in Rust that is simple to run but at the same time extremely secure, robust and focused on privacy.

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