Home / communication-email-mail-delivery-agents / DavMail

2 self-hosted alternatives to DavMail (2026)

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.

License: GPL-2.0 · Language: Java source code

Cyrus IMAP source

Email (IMAP/POP3), contacts and calendar server.

BSD-3-Clause-AttributionC

Dovecot source

IMAP and POP3 server written primarily with security in mind.

MIT/LGPL-2.1C/deb

All 3 apps in communication-email-mail-delivery-agents →