Cyrus IMAP
The Cyrus IMAP server differs from other IMAP server implementations in that it is generally...
Cyrus IMAP Alternatives
The best Cyrus 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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/postfix-alternatives
Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.
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Try for free
Warm up your cold email inbox, and never land in spam anymore!
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/courier-imap-alternatives
The Courier IMAP server is a fast, scalable, enterprise IMAP server that uses Maildirs.
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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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/roundcube-alternatives
Web-based IMAP email client
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/obm-alternatives
OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices.
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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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/cypht-alternatives
All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail.
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/hmail-server-alternatives
hMailServer is a free e-mail server for Microsoft Windows.
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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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/mailcow-alternatives
An open source mailserver suite.
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/mercury-mail-transport-system-alternatives
The Mercury Mail Transport System is a mail server that sends and receives messages on behalf of a...
