There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.
<mailserver.abc.com #5.5.0 smtp;550 Your e-mail was rejected for policy reasons on this gateway. Reasons for rejection may be related to content such as obscene language, graphics, or spam-like characteristics (or) other reputation problems. For sender troubleshooting information, please go to http://postmaster.msn.com. Please note: if you are an end-user please contact your E-mail/Internet Service Provider for assistance.>