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Tag: email server

Email

16 Best Free and Open Source Email Servers

August 4, 2025 Steve Emms Internet, Roundup

Here’s our verdict on free and open source email servers. We recommend Exim, OpenSMTPD, mox, DBMail, and WildDuck.

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Email

dma – DragonFly Mail Agent

January 28, 2025 Steve Emms Internet

dma is a small Mail Transport Agent (MTA), designed for home and office use.

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Email

WildDuck – opinionated email server

August 12, 2024 Steve Emms Internet

WildDuck is a modern mail server software for IMAP and POP3. Modern being scalable, Unicode-first, and API-controlled.

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Email

mox – modern, secure, all-in-one email server

August 11, 2024 Steve Emms Internet

Mox is a modern full-featured open source secure mail server for low-maintenance self-hosted email.

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Email

Sendmail – Mail Transport Agent

October 31, 2023 Steve Emms Internet

Sendmail is a Mail Transport Agent (MTA). It is suitable for handling sophisticated mail configurations, but this means that configuration can be complex.

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Email

qmail – modern SMTP server

October 31, 2023 Steve Emms Internet

qmail is an Internet Mail Transfer Agent (MTA). It was written as a more secure replacement for the popular Sendmail program.

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Email

chasquid – SMTP (email) server with a focus on simplicity

October 31, 2023 Steve Emms Internet

chasquid is an SMTP (email) server with a focus on simplicity, security, and ease of operation. chasquid is free and open source software.

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Email

Citadel – groupware software

October 31, 2023 Steve Emms Internet

Citadel/UX (commonly known as Citadel) is an open source, complete and feature-rich collaboration suite (messaging and groupware).

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Email

Dovecot – IMAP and POP3 email server

October 31, 2023 Steve Emms Internet

Dovecot is a mail server whose major goals are security and extreme reliability. It seeks to handle all error conditions and verify that all data is valid.

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Email

Cyrus IMAP – email, contacts and calendar server

October 31, 2023 Steve Emms Internet

Cyrus IMAP is an email, contacts and calendar server intended to be run on a “sealed” server.

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