Block emails having different source and reply-to address....

[Khawaja M. Jawad]

Hello All,

 

A lots of my customer are sending email from some abc at invalid-domain.com and
they configure Reply-To address to their actual address i.e.
abc at valid-domain.com 

 

How can I stop such email in which source email address and reply-to email
address are not same. 

 

Thanks

 

 

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