You seemed to have pretty much ruled out all the usual suspects so it might be a case of that they have put you on the wrong profile.
If you have an open ticket, pop over to the PUG forum where the Plus.net Comms reps spend their time these days and see if you can get James, Mand or Liam to look in to this one for you.
http://usergroup.plus.net/forum/index.php?board=20.0
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Plus.net: "We can't predict the future"
Plus.net: Beware of The Leopard
My spelling mistakes are all my own
