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I don't know Mark, and I don't know how he wound up with Newsguy. I know that I used to run my own news server until my (previous) ISP dropped feeding news to private servers not too long before dropping news totally. I switched to a new ISP, and shortly after that, *they* dropped news service too. So I wound up with Newsguy, and have been quite pleased with them.
If you know enough to note the news server, you should know enough to read the headers and tell whether or not I have a "sock puppet" (I don't -- but prove it to yourself, if you care).
DoN.