hi, we want to create a restricted relay for our campus, which allows only internal relaying, based on $mynetwork or pcre. Looking for the domain part isn’t a way, because we have some subdomains which has (for example) Google as primary MX. Should it working with smtpd_recipient_restrictions / smtpd_sender_restrictions and $mynetwork?
We have Postfix 2.9.6 cu denny
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