1=============================== 2Cyrus IMAP 2.4.18 Release Notes 3=============================== 4 5* Security fix: handle urlfetch range starting outside message range 6* A bunch of cleanups and fixes to compiling 7* A bunch of sieve cleanups 8* Enhanced SSL/TLS configuration options 9* Disable use of SSLv2/SSLv3 10* Allow SQL backend for mboxlist and statuscache (thanks Julien Coloos) 11* Fixed task 116: correct LIST response for domains starting with 'inbox.' 12* Fixed task 76: fixed lmtpd userdeny db checks (thanks Leena Heino) 13* Fixed bug #3856: lmtpd now performs userdeny checks 14* Fixed bug #3848: support charset aliases in encoded headers 15* Fixed bug #3853: disconnect_on_vanished_mailbox: release mailbox lock before exiting (thanks Wolfgang Breyha) 16* Fixed bug #3415: fixed nntpd LIST/GROUP bug 17* Fixed bug #3784: no longer crash in THREAD REFERENCES when messages reference themselves 18* Fixed bug #3757: don't segfault on mailbox close with no user 19 20 21New ssl/tls configuration options 22--------------------------------- 23 24 tls_compression: 0 25 26 Enable TLS compression. Disabled by default. 27 28 tls_eccurve: prime256v1 29 30 Select the elliptic curve used for ECDHE. 31 32 tls_prefer_server_ciphers: 0 33 34 Prefer the cipher order configured on the server-side. 35 36 tls_versions: tls1_0 tls1_1 tls1_2 37 38 Disable SSL/TLS protocols not in this list. 39 40 41:ref:`imap-release-notes-2.4` 42