Dovecot IMAP Server
- Open source, LGPLv2 and MIT
Supported extensions
See also Extensions.
- v1.0+: SASL-IR SORT THREAD=REFERENCES MULTIAPPEND UNSELECT LITERAL+ IDLE CHILDREN NAMESPACE LOGIN-REFERRALS
- v1.1+: UIDPLUS LIST-EXTENDED I18NLEVEL=1
- v1.2+: ID ENABLE THREAD=REFS CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH