Hello community,
i have a Problem with E-Mail Protection. Different incomming E-Mails where rejected with Failure-Code
said: 550 Upstream -Relay not permitted (in reply to RCPT TO command)
log:
[6972] H=mout.kundenserver.de [212.227.17.10]:51061 I=[89.43.127.118]:25 X=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256 CV=no SNI="holzheim.unsinn.de" F=<info@prietzel.com> rejected RCPT <reklamation@unsinn.de>: Upstream Relay not permitted
The e-mail policies is set that E-Mails are not rejected and put on quarantine.
Domain and Host are stored on the Policies and the Relay Settings.
If the Sender sends the E-Mail again it will be sent to the User-Mailbox.
I Hope the community can help me.
Thanks for your Answers.
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