Hi folks,

my MTA (opensmtpd on OpenBSD 7.0) rejects a few EMails with
a message like

May 27 08:42:30 mymta smtpd[10310]: f06a752b657b4a05 smtp failed-command command="RCPT 
TO:<u...@example.com> ORCPT=rfc822;u...@example.com" result="550 Invalid recipient: 
<u...@example.com>"

in /var/log/maillog. The EMails to u...@example.com without
"ORCPT=rfc822;" are accepted and forwarded as usual. All EMails
with "ORCPT=rfc822;" to any user are rejected.

I have found https://github.com/OpenSMTPD/OpenSMTPD/issues/658
of course, but I don't see a configuration issue on my side.
My MTA is just an MTA, there are no local users except for root.

Every insightful comment is highly appreciated

Harri

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