I got an avalanche of "Unresolved Sender Domain" messages from my mailwatch on my mailserver this weekend. I usually get half a dozen ever couple of day, which I ignore, but in the last couple of days I got close to 350, if not more. I didn't do any traces or anything on any of them, but obviously they don't exist. Anything about them, or everything, could be forged.
I was just wondering if anybody has seen or experience anything like this lately, or if this is something I need to worry about. Am I being the target of some intensive spam attack?
Rafael. --
J. Rafael S�nchez Systems Administrator
Itres Research Limited (p) 403.250.9944 (f) 403.250.9916
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