On 21/04/2021 11:00, Chris wrote: > Aside from the possibility that the message is simply wrong, or the > implementation broken, is your mail server acting like most other > servers when presented with a failure (soft or hard)? > > Your posting seems to be that you give up after the second try. > > Most servers will try at least 5 times for such, only giving up after > hours (sendmail defaults at 4 days).
It doesn't behave exactly like a normal mail server, but it does retry more than five times. Not all retries are from the same IP, but I have observed that retries from the same IP don't get delivered. Neil Youngman _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop