Am 07.10.2021 um 15:06 schrieb Gionatan Danti: > Il 2021-10-07 12:40 Rob Kampen ha scritto: >> mydestination = localhost localhost.localdomain >> mydomain = example.org >> myhostname = mx.example.org >> mynetworks = 127.0.0.0/8, [::1]/128 > > Not that I expect it to be the cause, but you need a coma between > "localhost" and "localhost.localdomain" in mydestination. That's simply wrong! http://www.postfix.org/postconf.5.html#mydestination "Specify a list of host or domain names, "/file/name" or "type:table" patterns, separated by commas and/or whitespace." >> I had originally only used "postconf -n" as it is MUCH smaller than >> postconf , however it still shows no material differences. > > Yeah, it seem the config are very similar (with the exception of > virtual_alias_maps, which you explained). > Regards. Alexander