Re: Sporadically deferred mail, followed by 456 Address temporarily unavailable

Alessandro Vesely <[email protected]>
Newsgroups gmane.mail.imap.courier.general
Message-ID <[email protected]>
On Thu 12/Oct/2023 23:07:43 +0200 Norbert Harrer wrote:
> > Oct 12 17:19:19 stargate maildrop[3132753]: maildrop started: From: 
......... <[email protected]>, To: s....... Alle <[email protected]>, 
Subject: Letzter Aufruf für's s....... Skifahren, Message-ID: 
000000000214519A.0000000065280E76.002FCD48; Thu, 12 Oct 2023 17:19:18 +0200, 
Maildir: /var/courier/nh...../Maildir


Wow, I never had such a log line.  How do you produce it?


> [...]
> Oct 12 20:04:47 stargate courieresmtpd: error,relay=::ffff:209.85.221.71,port=45134,from=<[email protected]>,to=<[email protected]>: 456 Address temporarily unavailable.


456 is the backscatter suppression, triggered by a previous error which I 
didn't see.  If you catch the control file in the queue (C*) you get a list of 
attempts.


Best
Ale
-- 





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