do not close NULL database connections on startup
typo
bail out in TabortHandler
de/re-code subject in native auto-reply
add explicit check for pthread support in glib
POP3: audit message retrieval and align with imap code
Properly unescape multiple backslash sequences
Increase max username length according to db schema

Mantis: http://www.dbmail.org/mantis/view.php?id=991
handle potential overflow