I'm not sure how they treated you badly. If someone was tripping my security systems I probably wouldn't tell them exactly why either, because if they're trying to break in, it could give them a clue how to get around it. //devil speaking ...

OTOH, it's certainly not very helpful to the person genuinely needing help. I guess I see "treated very badly' as them being rude on the phone or something like that. That doesn't automatically make ultimatepay an evil entity though. Plenty of people have gotten it to work just fine (Certainly a lot more than click and buy, at least).

At any rate, I'd try Maacha's suggestion to see if your connection or something on your computer is making you appear insecure to them.