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NorthernNetGuy
Advisor
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MTA block mail from top domain

We've been receiving a lot of spam mail from the .icu domain. The MTA is only catchign some of the spam while 100% of the mail received from them is spam.

I know I can block "@domain.icu" but is it possible to block "@*.icu"

we've identified several thousand unique icu subdomains that are hitting us, and would like to just block all of .icu.

 

 

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