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Hello,
I believe that i had postfix in openrelay. I already had a spam run, i saw the logs and among my clients, i detected one doing spam, and them several unknown address sending from the server.
It is supposed to be a server that only accepts authentication method in order to let someone sending email. However, it is still sending spam... from unknown users... this is in did bad. :(
Any help ? any sujestion^?
thanks FIlipe
Hey Filipe,
What's your smtpd_recipient_restrictions in main.cf look like? It ought to be:
permit_mynetworks permit_sasl_authenticated reject_unauth_destination
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