On 05/10/2023 04:44, Olivier via Postfix-users wrote:
Hi, How is it possible to configure Postfix to filter messages of the form: from invalidu...@mydomain.com to validu...@mydomain.com I have been receiving quite a lot recently and they are trash. Best regasrds, Olivier
From the top of my hash:sender_access file:- ... ### Reject any cidercounty sender not from local network cidercounty.org.uk permit_sasl_authenticated, reject Sender is not authenticated - Snd-1 ... Anything coming in via port 25 is rejected. Hope this helps Allen C _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
