We are recieveing excessive spam and rejections from windows live and hotmail accounts.
The setup is as follows;
SBS 2003 Exchange smtp feed
Fixed ip address, McAfee ITotal Protection Service.
McAfee is catching a fair amount of spam for users, but they are still recieving too much.
Also users are having mail sent to hotmail windows live accounts rejected, with the following message.
host mx3.hotmail.com [220.127.116.11]: 550 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
When i do a rDNS lookup we have no-dns-yet.demon.co.uk ??? this is not our domain.
Any help apprecieted