Mail to Hotmail getting rejected

Mail to Hotmail getting rejected

With following message...Can someone please look into this

The following is the error message

Error, ERROR_CODE :550, ERROR_CODE :SC-001 Mail rejected by Windows Live Hotmail for policy reasons. Reasons for rejection may be related to content with spam-like characteristics or IP/domain reputation problems. If you are not an email/network admin please contact your E-mail/Internet Service Provider for help. Email/network admins, please visit http://postmaster.live.com for email delivery information and support