Are you hitting any of their receiving limits? http://support.google.com/a/bin/answer.py?hl=en&answer=1366776 http://support.google.com/a/bin/answer.py?hl=en&an

Are you hitting any of their receiving limits? http://support.google.com/a/bin/answer.py?hl=en&answer=1366776 http://support.google.com/a/bin/answer.py?hl=en&answer=1... Because this is exactly what happens when you do.