While Transfering the email notification encountered an error "BDAT command has been rejected by the server. The server responded: 550 5.7.1 Client does not have permissions to send as this sender".
Solution:
In Email Template configuration, the following changes to be updated.
Go to Settings > Monitoring and Notification > Format Email Template
Change the from email address which by default is no-reply@biztalk360.com, change it to your own email address or any valid email address.