I'm programming a Cubecart based site selling adult media. There are not gateways implemented in Cubecart supporting an adult product gateway.
Here is a list of trusted gateways accepting adult payments:
Adult Gateways with IPN
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- ccBill http://www.ccbill.com/
- Verotel http://www.verotel.com/
- StandardPay http://www.standardpay.com/
- EGSPay http://www.egspay.com
Adult Gateways with unconfirmed IPN system
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- ProBilling http://www.probilling.com/
- Plug'n Pay http://www.plugnpay.com/
- Netbilling http://www.netbilling.com/
The rest of gateways (Paypal, Google, Authorize, etc...) doesnt accept adult content payments.
Looking foward on the future to find a programmer releasing a adult gateways pack for Cubecart