+ dovecot: Added --log-error command line option to log an error, so
the error log is easily found.
+ Added mail_log_max_lines_per_sec setting. Change it to avoid log
throttling with mail_log plugin.
- Changing message flags was more or less broken in rc19
- ACL plugin still didn't work without separate control directory
- Some mbox handling fixes, including fixing an infinite loop
- Some index file handling fixes
- maildir quota: Fixed a file descriptor leak
- If auth_cache was enabled and userdb returned "user unknown"
(typically only deliver can do that), dovecot-auth crashed.
- mail_log plugin didn't work with pop3
