Changing the smtp banner in Exchange 2013

1. Check the identity
1. get-receiveconnector |select identity,banner
2. The identity your looking for is “SERVERNAME\DEFAULT Frontend servername”
2. Set banner
1. set-receiveconnector –identity “SERVERNAME\DEFAULT Frontend servername” –banner “220 mail.yourdomain.com Microsoft ESMTP MAIL Service ready”

References:

www.testexchangeconnectivity.com

http://rowen121.wordpress.com/2013/01/17/how-to-modify-the-default-smtp-banner/