Cant log in to my hotmail account or send e-mails to hotmail users. Can log in from my old Mac. Received this message: 550_SC-004_Mail_rejected_by_Windows_Live_Hotmail_for_policy_reasons._A_block_has_been_placed_against_your_IP_address_ because_we_have_received_complaints_concerning_mail_coming_from_that_IP_address. I only send personal or business e-mails, never spam. How do I get the block lifted.

Greetings, You can see your error here, along with a ton of other information on Windows Live issues: http://mail.live.com/mail/troubleshooting.aspx Here is an article with a resolution offered: http://windowslivehelp.com/solution.aspx?solutionid=7a3ea308-d12e-486d-9005-78e3babb289f Hope this helps. If it does, don't forget to return and Propose As Answer. J. Peter Bruzzese Triple-MCSE, MCT, MCITP: Messaging ExclusivelyExchange.com