Dear Experts,

 

I am facing a problem that someone is spoofing my domain address and sending
emails to my own domain users.

 

I have set valid SPF, DKIM, DMARC for my Mail server. How can I sort this
problem with postfix to stop this spoofing ?

 

If I filter emails based on SPF this also block many legitimate email with
spf not set properly.

 

 

Bilal Ahmad

Network Administrator

 

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