On Sat, May 13, 2023 at 09:32:14AM +0800, l...@cndns.com wrote:
> We did not use a service like milter, but simply used postfix relays at
> both ends, nor did we use spamassassin.
Retelling in your own words what you believe happened won't enable
anyone to help you. :-(
For actual help, follow the instructions at:
http://www.postfix.org/DEBUG_README.html#mail
and post logs of all relevant mail deliveries, and the content of any
bounces (full headers of the bounce and returned message, leaving out
only the attached body of the original message).
--
Viktor.
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