I would like to write a rule that checks if a header has a domain name that doesn't resolve.
For example this header: List-Unsubscribe: <mailto:leave-abcefgh.1.2....@mumble.aidemxwzlwt.bwbibibi.edu> I want to extract the mumble.aidemxwzlwt.bwbibibi.edu and run it through AskDNS and if I get an NXDOMAIN, I want to score it. Is it possible to do this within a cf file? I can easily extract the domain name with a regex. Is there a way to save that value in a variable in a cf file such that I can then call AskDNS?
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