Courier IMAP
The Courier IMAP server is a fast, scalable, enterprise IMAP server that uses Maildirs.
Courier IMAP Alternatives
The best Courier IMAP alternatives based on verified products, community votes, reviews and other factors.
Latest update:
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/dovecot-alternatives
Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with...
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/cyrus-imap-alternatives
The Cyrus IMAP server differs from other IMAP server implementations in that it is generally...
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Warm up your cold email inbox, and never land in spam anymore!
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/dbmail-alternatives
DBMail is a fast, scalable IMAP4 and POP3 server that stores all email and users in a Postgresql...
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/iredmail-alternatives
A fully fledged, free email server solution, an open source project (GPL v2).
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/postfix-alternatives
Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.
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/zimbra-alternatives
Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.
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/roundcube-alternatives
Web-based IMAP email client
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/archiveopteryx-alternatives
Archiveopteryx stores email in a database and provides access to it through IMAP and more.
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/microsoft-exchange-server-alternatives
Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.
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/mailcow-alternatives
An open source mailserver suite.
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/exim-alternatives
Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.
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/rainloop-alternatives
RainLoop is a web based email client.
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/hmail-server-alternatives
hMailServer is a free e-mail server for Microsoft Windows.
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