19 août 2019 19:34 "Darren S." <[email protected]> a écrit:
> Greetings, > hello, > I've been working through configuration changes from OpenBSD 6.5 > upgrade. Have most things worked out, but hitting a situation where my > ISP (my smarthost for relayed mail) is rejecting due to reverse DNS > issues. > > e91c8dbd411c473d mta delivery evpid=66bc2327443bcac7 > from=<[email protected]> > to=<[email protected]> rcpt=<-> source="10.0.1.2" relay="68.1.17.4 > (smtp.east.cox.net)" delay=2s result="PermFail" stat="550 > <[email protected]> sender rejected. Refer to > Error Codes section at > https://www.cox.com/residential/support/email-error-codes.html for > more information. AUP#CXDNS" > > I see in my old config I had the following for the matching rule: > > accept from source <internal_nets> for any relay via $dkim_relay as > "@sancho2k.net" > > I think the "as" option was the key at that time. The intent is that > mail normally routed internally with a sender address of > "[email protected]" would be rewritten when related > through ISP as "[email protected]." Is this still a supported > configuration? > The "as" keyword was simply replaced with "mail-from" in relay actions. Your problem is unrelated: Your MX doesn't seem to have a valid rDNS and the remote host won't let you contact it without a valid rDNS. You can't fix this with smtpd config, it is a DNS issue to solve with your ISP / server provider.
