Sender ID filtering

  • From: "Mark Dewell" <M.Dewell@xxxxxxxxx>
  • To: <exchangelist@xxxxxxxxxxxxx>
  • Date: Tue, 1 Nov 2005 10:44:13 -0000

Having recently installed Exchange 2003 SP2, I thought I'd have a look at the
Sender ID filtering. It seems to me that unless you can be sure that all
domains that send you email are legit and have valid SPF records then this
can not be safely used. Or am I not understanding this correctly?

Does anyone have any figures on how widespread usage of SPF records are?

Is anyone on the list using Sender ID? Any comments, problems etc?



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