If your emails are not reaching any recipients please check your email client configuration to verify you can send a test message.
If you are having difficulty sending to a particular email host or your emails go into a Junk or Spam folder, read below
1. If you need to unblock your domain from Comcast Spam list, they require you fill out the following form:
2. For Gmail please see: http://mail.google.com/support/bin/request.py?ctx=bulksend&nomods=1
3. For Yahoo! please see: http://help.yahoo.com/fast/help/us/mail/cgi_defer
We will update this when we find other Email Provider's Spam Reporting forms.
Another pay service that may help is: http://www.senderscorecertified.com/