Bilal: > Hi im using Postfix MTA and i have setup SPF,DKIM,DMARC records > of my domain. Someone is spoofing my domain address like *@mydomain > to my own domain users . How can i block this using postfix ?
By separating your mail streams, and by configuring Postfix to
enforce DMARC policy on unauthenticated SMTP mail.
Wietse
