I Want help to block spams on my network, i allready active MTA mode , but it only solved the problem for a week, and now I am receiving emails again,
these are some domains used as spoofing
Hi Adem SI
Thank you for reaching out to the Community!
Please provide the screenshots of the SMTP policy. Also, provide the sample email that got through the firewall via PM and smtpd_main.logs.
Thanks,
Thank you for providing the SMTP policy detail via PM.
Your issue with spam email got resolved once you enabled SPF and graylisting.
yes, is already solved. thanks a lot for the suport