Email bouncing error - Email ntow working

Email bouncing error - Email ntow working

Hi,

Since 11th August i am not getting email when i went to test with my gmail id i am getting the below error kindly please assist me.

kpr@rws.in

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 550 550 5.7.1 <kpr@rws.in>: Recipient address rejected: Invalid user (state 14).

Regards
Prashanth