Dovecot

Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with…

16 Alternatives To Dovecot

Archiveopteryx

Archiveopteryx stores email in a database and provides access to it through IMAP and more.

Courier IMAP

The Courier IMAP server is a fast, scalable, enterprise IMAP server that uses Maildirs.

Cyrus IMAP

The Cyrus IMAP server differs from other IMAP server implementations in that it is generally…

Exim

Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.
images/2020/03/g-suite.jpg}}

G Suite

Google’s encompassing suite of cloud-based business apps.

Mail-in-a-box

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.
images/2020/04/MailEnable.png}}

MailEnable

MailEnable is a Windows based mail server and email server program that is packed with the state of the features and functions like antivirus and spam filtering system, webmail management system, cardDAV, CalDAV and much more.

Microsoft Exchange Server

Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.
images/2020/04/OpenEMM.png}}

OpenEMM

OpenEMM is a feature-rich industrial-strength enterprise software for e-mail marketing

PowerMTA

PowerMTA is an industrial-strength software for high-volume email delivery.

Roundcube

Web-based IMAP email client

SendInBlue

Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.

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 and privacy.

Zimbra Collaboration Suite

Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more.

iRedMail

A fully fledged, free email server solution, an open source project (GPL v2).
images/2020/04/qmail.png}}

qmail

qmail is the name of an advanced level of mail transfer agent for the UNIX based operating systems.