Hello!
I want to know YOUR experiences with the Sender Adress Verification (Proxies >> SMTP >> Spam Protection) and the related setting point Use callouts.
Activating the function Sender Adress Verification could help a little bit to minimize spam on a secure way.
But what´s with the function Use callouts? What are your experiences with that function? Do you note, that you did block important eMails, when you did activate it?
I´m interessted on your experiences.
Ciao, Thorsten
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