EARNmailer lets you put an ad on your outgoing emails so you earn everytime your friends and contacts open your emails or when they click on the ad.
Earnings depends on advertiser's plan: CPC or CPM
Payrate is at 30% of advertiser's payment
10% referral earnings for 1 year.
Earnings are paid into Paypal but can be converted to other incentives such as cellphone loads, and raffle entries so it is not required to have a payment processor.
Check here for more info: EARNmailer