Ever heard of these PTR sites?

@rabanesd (284)
United States
June 3, 2007 12:02am CST
I just saw someones site that listed alot of PTR sites. It said that all emails are worth some some good dollars. If you have ever heard of these sites can you please let me know about them and if they are scams? Here's the list: ippomails.com visionptr.com Dj-mails.com BusinessPTR.com megaptr.com Ptr4you.net Please give me some feedback on these.
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