MODERATOR’S NOTE:
Closing thread. The definitive answer has been given, and is covered in depth in the following thread;
http://talk.collegeconfidential.com/community-forum-issues/2064222-how-to-pm-someone.html#latest
I will reiterate, that the 15 posts need to be substantive posts. Posts whose sole purpose is to boost post count are considered spam and will be handled accordingly.