> > If your max_queue_lifetime is more than 1 day, you will have > > to go back further: > >It's 2 days, but this is the first line of this message. > > > zgrep CB6F350844 maillog.[0-4].gz | less > > > > also, see if postfix postmaster is sending the mail > > (non-delivery notification). > >How to check it ?
well, every msg is queued with a queue ID no matter where it originates. if these are non-delivery msgs (inbound msg accepted but not deliverable (bounced), so postfix generates a non-delivery msg back to the "sender" who is often forged sender and/or @sender.domain), the zegrep for the recipient of the non-deliverage msgs, to see if that shows where the real source is. Len
