I came across this ad which was selling 14M gmail/yahoo emails for $2. Is it worth it to buy and send email campaign once a while. (off course not at once!) Maybe 100 daily. When I asked the seller if these are all correct valid email. He said, mostly they are, if not, 1M might not be, but 13M for $2 is not bad deal? Do you recommend me buying it? hoping to start me new website launch through email campaigns What software should I use to send my email campaign? how may per day?