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Old 26 May 2021, 11:51 PM   #8
kennio
Junior Member
 
Join Date: May 2021
Posts: 4
This seams not to be as easy as I was expecting. I think that maybe I would need to create take some list of email providers and black list them.

Looks like I can do a blacklist with postfix but I don't know yet how to use it only when the email comes from @internal.example.com and not from @example.com
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