Am 08.10.2023 um 17:58:41 Uhr schrieb Kirill Miazine via mailop: > • Marco M. via mailop [2023-10-08 14:26]: > > 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. > > I see that current setup might be useful in case some user changes MX > before the domain is activated at Fastmail, in which case giving 4xx > could make sense.
I don't see a real reason for that and the disadvantages are there. MX configuration error shouldn't be handled with such configurations. _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
