Exchange gateway supporting POP/IMAP/SMTP/CalDAV/CardDAV/LDAP protocols.
POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway
davmail$ davmail$ davmail /path/to/davmail.properties$ davmail &
# Then configure email client to localhost:1143$ davmail &
# Then connect caldav client to http://localhost:1080/caldav$ davmail &
# Then configure carddav client to http://localhost:1080/carddav