Unexpected mail website promotion method
 

With professional mail cluster tools, Internet mass gathering E-mail address, and then cluster. Now a lot of website, all want to use email as a user name, therefore, collect E-mail address, much more convenient than before, and the E-mail address is live address, Internet users often use mailbox, rather than failure mailbox, the effect is good. Mail title to "norm", don't let netizen mistaken as spam.