On Thu, 2006-08-17 at 09:26 +1000, Cameron Simpson wrote: > On 16Aug2006 17:25, Aaron Konstam <akonstam@xxxxxxxxxxxxx> wrote: > | The messages are identical the headers are not. In each case the problem > | arises because hormel.redhat.com sends the same message again at > | different times. > > I ran into a similar problem in a former life. We were resending > messages to a particular domain. That domain's mail server would not > complete the SMTP transaction correctly and our mail service thus > decided that the message had not been delivered correctly. It retired > later, and of course the busted SMTP transaction failed again. > > However, the receiving mail system had accepted the email. So multiple > copies were dispatched. > > It took the combination of a slightly picky (i.e. careful and robust) sending > system at our end (postfix) and a stupid broken system at the other end. As I recall > the other end wasn't sending the final ack for the QUIT or something > like that. > > Telnet to their mail server and a manual message injection showed us the problem. > -- I just don't see how to do wat you are suggesting. Could yu explain more fully? Off List if necessary. From the messages I sent which mail server do you suggest we look at for the problem? -- Aaron Konstam <akonstam@xxxxxxxxxxxxx>
