http://dovecot.org/releases/2.0/dovecot-2.0.21.tar.gz
http://dovecot.org/releases/2.0/dovecot-2.0.21.tar.gz.sig
+ dict: file backend supports now also fcntl/flock locking optionally
- imap-login: Memory leak fixed
- imap: Non-UTF8 input on SEARCH command parameters could have crashed
- auth: Fixed crash with DIGEST-MD5 when attempting to do master user
login without master passdbs.
- sdbox: Don't use more fds than necessary when copying mails.
- mdbox kept the user's storage locked a bit longer than it needed to
