Am 08.10.2023 um 13:59:10 Uhr schrieb Kirill Miazine: > Actually the error message "Relay access denied" indicates that > domain is not configured at Fastmail anymore. I just tried and > non-existent users give a different error message:
Everybody can set an MX to them, so they must reject that as a permanent error. The current way make it look like somebody is trying unauthorized relaying many times. > 550 5.1.1 <does-not-exist@...>: Recipient address rejected: User > unknown in virtual mailbox table That is the right way to deal with that. _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
