Communication - Email - Mail Delivery Agents
3 applications, ranked by GitHub stars in the dataset.
Dovecot
IMAP and POP3 server written primarily with security in mind.
1,273 stars Active
31 Oct 2026 2.4.5
DavMail
POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar client with an Exchange server, even from the internet or behind a firewall through Outlook Web Access.
774 stars Active
30 Oct 2026
Cyrus IMAP
Email (IMAP/POP3), contacts and calendar server.
653 stars Active
30 Oct 2026 cyrus-imapd-3.8.8
