OK, so I know this is not a server php mail issue for two reasons. First, all other emails are being sent to users. Secondly, I finally decided to install a SMTP plugin which is working great.
I seem to be having so many issues with plugins from here today ..the automessage plugin is not sending messages although the Contact widget is as well as new user registration emails etc. So its not a PHP issue especially since I have a SMPT plugin installed and activated. Thanks!