Postfix
Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail. subtitle
Postfix Alternatives
The best Postfix alternatives based on verified products, community votes, reviews and other factors.
Latest update:
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/iredmail-alternatives
A fully fledged, free email server solution, an open source project (GPL v2).
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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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Try for free
Warm up your cold email inbox, and never land in spam anymore!
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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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/sendmail-alternatives
Sendmail is a general purpose internetwork email routing facility that supports many kinds of...
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/mailcow-alternatives
An open source mailserver suite.
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/roundcube-alternatives
Web-based IMAP email client
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/mail-in-a-box-alternatives
Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.
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/powermta-alternatives
PowerMTA is an industrial-strength software for high-volume email delivery.
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/ssmtp-alternatives
sSMTP is a simple MTA to deliver mail from a computer to a mail server.
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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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/hmail-server-alternatives
hMailServer is a free e-mail server for Microsoft Windows.
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/mailerq-alternatives
MailerQ is a high performance Mail Transfer Agent (MTA) designed for delivering large volume email messages at very high speeds.
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/opensmtpd-alternatives
OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with...
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