<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head><body><div data-html-editor-font-wrapper="true" style="font-family: arial, sans-serif; font-size: 13px;">Hi Bilal,<br><br>can I ask you from the beginning what exactly is the problem. Maybe do you mean this:<br><br>Lets say you own the domain 123dom.com. You receive Emails from (spoofed envelope) sender address bilal@123dom.com to your own mailbox with the same domain, for example contact@123dom.com?<br><br>If yes, let me know. this can be rejected with postfix rules without touching mailscanner.<br><br>Lot regards<br>Schroeffu<br><br><signature></signature> </div></body></html>