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Courier IMAP Alternatives

Courier IMAP Alternatives

Courier IMAP

The Courier IMAP server is a fast, scalable, enterprise IMAP server that uses Maildirs. Many E-mail service providers use the Courier IMAP server to easy handle hundreds of thousands of mail accounts. With its built-in IMAP and POP3 aggregation proxy, the Courier IMAP server has practically infinite horizontal scalability. In a proxy configuration, a pool of Courier servers service initial IMAP and POP3 connections from clients. They wait to receive the client's log in request, look up the server that actually holds this mail account's mailbox, and establish a proxy connection to the server, all in a single, seamless process. Mail accounts can be moved between different servers, to achieve optimum resource usage.

Best Open Source Courier IMAP Alternatives

Hate Courier IMAP? Use another browser! Which one should you go with? Try out these other browsers before making your final decision. Want some more context? We've got a great list of alternatives to Courier IMAP here.

Dovecot

Dovecot

FreeOpen SourceMacLinux

Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with security primarily in mind. Dovecot is an excellent choice for both small...

Features:

  • Support for IMAP
  • POP3 Support
  • Support for SFTP
Cyrus IMAP

Cyrus IMAP

FreeOpen SourceMacLinux

The Cyrus IMAP server differs from other IMAP server implementations in that it is generally intended to be run on sealed servers, where normal users cannot log in....

Features:

  • CalDAV
  • JMAP
  • Email Server
  • POP3 Support
Archiveopteryx

Archiveopteryx

FreeOpen SourceMacLinuxBSD

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

Features:

  • Email Server
  • POP3 Support
DBMail

DBMail

FreeOpen SourceMacLinux

DBMail is a fast, scalable IMAP4 and POP3 server that stores all email and users in a Postgresql, MySQL or SQLite database.

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