It's one contributor of several in the decision to accept/reject, it's not the only factor.Thanks for the info...I know that AOL, MSN, Hotmail , etc all check the reverse.
no doubt, but you'd have a hell of job watching wherever these blocks are logged and manually whitelisting all the false positives.Even smaller companies do as well. I think I would kill about 40% or more of my spam if I could reverse it.
Len
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