Block SPAMS

Hi,

recently getting lots of SPAMS from the china , www.3dpageturningebook.com , www.theygo.com/FreeSoftware , www.digitalpublishingtools.net .
All belonging to same group/ company.

Now they always SPOOF Identity, IPs, sometimes use open relays etc. also so blocking by IPs may not be possible.

In CPanel for a domain it can be specified to block any email having any header containing '3dpageturningebook' .
But how to do it Serverwide? so that for each domain i don't have to do it.

Also how to achieve the same on Ensim based server?

Thanks

 

 

 

 

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