hMail Server
hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the world.
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 and large installations.
Dovecot is an open source IMAP and POP3 email server for Linux/UNIXlike systems, written with security primarily in mind. Dovecot is an excellent choice for both small and large installations. It's fast, simple to set up, requires no special administration and it uses very little memory.
imap pop3 sftp imap-server
hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the world.
Free Open Source Windows
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.
Free Open Source Mac OS X Linux
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...
Free Open Source Mac OS X Linux BSD Self-Hosted
The Mercury Mail Transport System is a mail server that sends and receives messages on behalf of a group of users on a machine or local area network.
Free Personal Windows
Archiveopteryx stores email in a database and provides access to it through IMAP and more.
Free Open Source Mac OS X Linux BSD