I just started receiving messages indicating that messages from my att email account are being blocked by Hotmail. I am receiving 550_SC-004 Permanent Failure message from Hotmail. The following is the detail message I am receiving:
A message (from <firstname.lastname@example.org>) was received at 8 Apr 2010 20:17:12 +0000.
The following addresses had delivery problems:
Permanent Failure: MAIL FROM: <email@example.com> 550 REPLY: 550_SC-004_Mail_rejected_by_Windows_Live_Hotmail_for_policy_reasons._A_block_has_been_placed_against
Delivery last attempted at Thu, 8 Apr 2010 20:17:12 -0000
Any information that can help me to resolve this problem will be great appreciated. Thanks in advance for your help.