Hi ,

I sent the test email from gmail, but there have below feedback.

Could you please kindly check how to solve it?

My MX already as below.

Delivery to the following recipient failed permanently:

      service@sandutech.uk

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain  sandutech.uk  by smtp.secureserver.net .  [68.178.213.37 ].

The error that the other server returned was:
550 5.1.1 < service@sandutech.uk > Recipient not found.  < http://x.co/irbounce >


----- Original message -----

DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;