I'm using this 100% FREE system ...Free ADS Mailer and I have incresed visits on my site. Free membe

I'm using this 100% FREE system ...Free ADS Mailer and I have incresed visits on my site. Free members can send 2 email every 24 hours to the members using credits ...about 3200 members (3200 x 2 = 6400 email daily). I think it's good. What do you think about it?