smtp-vilter todo
----------------

-  Check if MANDIR is used on FreeBSD

-  Interoperate with a firewall, e.g. pf.

-  Output the thread id in verbose output messages.

-  Output the date and time in verbose output messages.

-  Add per-user configuration stored in a LDAP tree.

-  Make sure temp files are deleted when smtp-vilter
   prematurely exits: When clamd hangs and therefore
   smtp-vilter times out on each message, the temporary
   files are left in /tmp.

-  Allow Unix domain sockets in the backends for
   communication with the scan engines.
   
-  Check config file permissions and owner on startup.

-  Write a man page for the backends and the config files.
   
-  Add a backend for the Clam AV library.

-  Add a backend for generic external commands.
