On 2024-02-10 at 18:33:29 UTC-0500 (Sat, 10 Feb 2024 15:33:29 -0800) Doug Hardie via Postfix-users <[email protected]> is rumored to have said:
> I used Viktor's collate to trace a specific email handling. There were a > number of these entries. However, I am only showing 2 of them: > > Feb 10 03:15:40 mail postfix/smtp[60428]: 4TWjVT5qz7z2gF8w: > to=<[email protected]>, > orig_to=<[email protected]>, > relay=mx01.t-online.de[194.25.134.72]:25, delay=59371, > delays=59369/0.02/1.5/0, dsn=4.0.0, status=deferred (host > mx01.t-online.de[194.25.134.72] refused to talk to me: 554 IP=47.181.130.121 > - None/bad reputation. Ask your postmaster for help or to contact > [email protected] for reset. (NOWL)) > Feb 10 03:20:21 mail postfix/smtp[60525]: 4TWjVT5qz7z2gF8w: > to=<[email protected]>, > orig_to=<[email protected]>, > relay=mx03.t-online.de[194.25.134.73]:25, delay=59652, delays=59651/0/1.4/0, > dsn=4.0.0, status=deferred (host mx03.t-online.de[194.25.134.73] refused to > talk to me: 554 IP=47.181.130.121 - None/bad reputation. Ask your postmaster > for help or to contact [email protected] for reset. (NOWL)) > > I am a bit confused as it appears that the receiving MTA is returning a 554 > and a 4.0.0 No, it is sending a 554 without an extended code instead of a connect greeting, which Postfix (reasonably) treats as a temporary failure in the scope of the specific message being tried. > which appears inconsistent. Obviously postfix is using the temp failure as > it continues to retry periodically. From the text, it appears that this > should be a permanent failure, not temporary. Is the receiving MTA confused > or am I? It's a quirk of Telekom. They reject with 554 at connect when they dislike your IP. In my experience, the email address in the rejection message is responsive. -- Bill Cole [email protected] or [email protected] (AKA @grumpybozo and many *@billmail.scconsult.com addresses) Not Currently Available For Hire _______________________________________________ Postfix-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
