when someone send me an email, the email delivery failed and recieve this message
Delivery to the following recipient failed permanently:
sales@mesk.co
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain
mesk.co
by
mx.zoho.com
. [204.141.32.121].
The error that the other server returned was:
553 Relaying disallowed