It is part of paypals t&c that you can't use it for online gambling. You used to a few years ago, but then paypal was purchased by ebay and they changed the t&c.

You can use netteller for online gambling transactions and they are very good I use them all the time.

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Before you criticize someone, you should walk a mile in their shoes. That way, when you criticize them, you're a mile away and you have their shoes.