Site name: Global Paid Email
Availability: International
Daily Rate: 25-35 emails / day
Incentives values: 0.25 -2.0 cents PTR emails, 1 point PTC banners

PTR site details:
Short description: The site is available to all countries, not just the "search countries".
Additional Options: PTC section (active) PTS section (inactive), Raffle contests.
Points System: Yes (buy advertising).
Payment: $1 minimum via PayPal and E-Gold.
Support: via Contact page.
Referral system: 6 levels (20%, 10%, 5%, 3%, 2%, 1%)

Site name: So Red The Rose
Availability: Search Countries (*)
Daily Rate: 100 emails / day
Incentives values: 0.01 - 1.0 cents PTR emails, 0.01 - 0.025 cents PTC banners

PTR site details:
Short description: This is definitely the site with the most prolific daily rate of emails. Unfortunately the average email is 0.015 and 0.025 cents. But if you have a lot of free time, the site definitely makes up for the low incentive values with a high daily rate.
Additional Options: PTC + PTS sections (active).
Points System: No
Payment: $3 minimum via PayPal and E-Gold (no minimum for upgraded members).
Support: via forum / contact page doesn't work.
Referral system: 5 levels (10%, 5%, 4%, 3%, 1%)

(*) Australia, Austria, Belgium, Canada, Denmark, Finland, France Germany, Greece, Iceland, Italy, Netherlands, New Zealand, Norway Portugal, Spain, Sweden,Switzerland, United Kingdom & United States.

Site name: Donkey Mails
Availability: International
Daily Rate: 20-30 emails
Incentives values: 0.25-0.5 cents and 1 point PTR emails

PTR site details:
Short description: Another international site with 30.000 active members.
Additional Options: PTC and PTS sections (active), Games, PTC contests, Paid Toolbar.
Points System: Yes (buy advertising).
Payment: $1 minimum via PayPal, AlertPay and $0.01 minimum via E-Gold.
Support: via Contact page.
Referral system: 5 levels (5%, 4%, 3%, 2%, 1%)