Got error message Delivery to the following recipient failed permanently:

Got error message Delivery to the following recipient failed permanently:

  info@sharpangles.lk

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain  sharpangles.lk  by sharpangles.lk . [66.7.222.58].

This message when i am sent with gmail.

I allready added CNAME and mx