Am 12.08.25 um 17:01 schrieb Evgeniy Berdnikov via Exim-users:
How can I achieve that exim gives a '550 Unrouteable address'?
You should NOT reject mails with 550 status on temporary DNS failures
unless you consider occasional rejects/bounces as acceptable situation.
Your’re right. I didn’t recognize the SERVFAIL, for gmial.com. When DNS
returns NXDOMAIN,
exim’s behaviour is correct: 550 …
Now, (how) can I change this message '451 Temporary local problem - please
try later'?
This causes questions to me: Please fix your local problem :-)
Frank
--
Frank Richter, Chemnitz University of Technology, Germany
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