[Exim] How to prevent relaying from local domain to local do…

Author: Steffen Herold
Date:
To: exim-users
Subject: [Exim] How to prevent relaying from local domain to local domain

Hello,

I'm using exim V3.35 and smtp auth. Smtp auth works fine but if there is a
smtp mail incoming with

mail from: receiver@???
rcpt to: receiver@???

the mail will be accepted without any authentication. How to protect from
this?

Thanx Steffen Herold
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