Cyrus IMAP server

Cyrus IMAP server

Developer(s)	Carnegie Mellon University, Fastmail
Stable release	3.10.0[1]  / 19 August 2024; 2 months ago (19 August 2024)
Repository	github.com/cyrusimap/cyrus-imapd
Written in	C
Type	Mail delivery agent
License	BSD
Website	www.cyrusimap.org

The Cyrus IMAP server is electronic mail server software developed by Carnegie Mellon University. It differs from other Internet Message Access Protocol (IMAP) server implementations in that it is generally intended to be run on sealed servers, where normal users cannot log in.