> >   If we were to see delivery time trending up, that might be something we
> >   should look into before it gets really bad and people start complaining.
>
> I'm not convinced that a method exists to determine "delivery time" without
> some sort of heavy "record matching." If your sever is busy, you won't know
> WHICH incoming message triggered WHICH outgoing message. The information is
> probably in the log file, but nobody has bothered to tackle the problem of
> integrating the LISTSERV log with the Sendmail log, let alone just matching
> the records in the sendmail log. And nobody that I know has ever done
> anything with the mailq -- there is no information logged as such, one has
> to really hunt to find it. I'm not saying that it can't be done, just that
> I don't think that anyone has ever spent the time and effort to track it.
> (Unless you are AOL or Hotmail, and they problaby won't give you the
> software they developed.)

I wasn't thinking of anything so fancy as trying to correlate messages
coming into LISTSERV with messages going out.  Just stats on how long
it takes to get the messages out once sendmail gets them.

Thanks for all your other comments.