From Paypal’s Acceptable Use Policy
Quote:
You may not use the PayPal service for activities that: …
6. involve gambling, gaming and/or any other activity with an entry fee and a prize, including, but not limited to casino games, sports betting, horse or greyhound racing, lottery tickets, other ventures that facilitate gambling, games of skill (whether or not it is legally defined as a lottery) and sweepstakes unless the operator has obtained prior approval from PayPal and the operator and customers are located exclusively in jurisdictions where such activities are permitted by law.
Raffles = activity with an entry fee and a prize