[Mimedefang] Verifying mailbox...

[Jim McCullars]

On Tue, 6 Jul 2004, Ashley M. Kirchner wrote:

>     So, my question now is, from within mimedefang, is there some way I
> can have it validate a recipient's address PRIOR to attempting
> delivery?  Like somehow contacting the spool and see if that user
> exists, and if not simply bounce the message before it even gets onto
> our network.

   The "md_check_against_smtp_server" function in mimedefang-filter will
do what you want, assuming that the downstream spool will indeed return a
"unknown user" message when it gets the "RCPT To:" command.

   HTH...

Jim McCullars
University of Alabama in Huntsville