The message you found from me *is* the oldest surviving message here at EvC Forum, it's from December 24, 2000, at 6:23 PM Eastern Time US: Message 1
There were earlier messages during the testing phase, but they were deleted.
The predecessor site was over at Yahoo. I see it still exists, and I'm still the owner though I no longer haver anything to do with it. Today was the first time I've visited over there in at least a few years.