Don’t want strangers on Google+ to start inundating your Gmail inbox? No problem. You can control or completely turn off this option.
On Thursday, the search giant announced a new feature that would let anyone on Google+ e-mail fellow users without having to find out their actual Gmail address. Respond to
Read the complete story: http://news.cnet.com/8301-1023_3-57617033-93/how-to-prevent-google-users-from-e-mailing-you/