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Kolab Alternatives

Explore popular alternatives of Kolab at one place, all suggested and ranked by the CybrHome user community.

Kolab Alternatives in Mail Servers

Zimbra ↗

Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security

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Atmail ↗

atmail is a powerful and cost-effective email solution tailor-made for service providers.

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Hmailserver ↗

hMailServer - Free open source email server for Microsoft Windows

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Apache James ↗

Apache James Project.

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Dovecot ↗

Dovecot - Secure IMAP and POP3 server

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Icewarp ↗

Mail Server and Collaboration solution for Linux and Windows. Full-featured and cost-effective alternative to Microsoft Exchange.

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Communigate ↗

See Communigate Alternatives

Exim ↗

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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Axigen ↗

AXIGEN is a Windows & Linux Mail Server with groupware and collaboration features like outlook connector, push email, shared folders or PIM Sync

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Courier-Mta ↗

Download the source code tarball from http://www.courier-mta.org/download.html.

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Pmail ↗

Pegasus Mail is a free product, dedicated to serving all who need it, whilst Mercury is a modestly-priced commercial system that allows free use for private ...

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Cyrusimap ↗

Cyrus IMAP is an email, contacts and calendar server. This is the documentation for version 3.0.0 (stable) of Cyrus IMAP.

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Qmail ↗

Official home of the replacement for sendmail. Much content in several languages, including news, links, user documentation and software, tips, and advice.

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Imailserver ↗

The Ipswitch IMail Server leads the pack when it comes to Windows Email Servers. We also offer hosted email, secure instant messaging and much more!

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Similar Websites

Zimbra ↗

Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security

See Zimbra Alternatives