On Wed, Nov 5, 2014 at 3:55 AM, Hugh E Cruickshank <hugh at forsoft.com> wrote: >> >> just parse the *maillog* instead > > That would only be effective for bounce messages that were generated > by our mail server (in the case of messages that were immediately > rejected by the foreign mail server when our mail server attempted to > hand the messages off). It would not work for messages that were > initially accepted for delivery but were subsequently returned as > being non-deliverable. Are there still servers that accept undeliverable mail and generate messages later? That behavior makes them an easy target for spammers who send the real target address as the From: entry and will likely get them blacklisted. > It is on my list of "things to do" to extract the maillog entries for > any application generated emails. I'd expect the bulk of failures to be there, but your own server should generate and deliver the bounce along with logging it. -- Les Mikesell lesmikesell at gmail.com