----- The following addresses had permanent fatal errors -----
<000000000000000000000000>
(reason: 550 SC-001 (COL0-MC2-F18) Unfortunately, messages from 211.29.132.190 weren't sent. Please contact y...ock list. You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors.)

----- Transcript of session follows -----
... while talking to mx1.hotmail.com.:
>>> MAIL From:<ooooooooooooooooooooooo> SIZE=2347
<<< 550 SC-001 (COL0-MC2-F18) Unfortunately, messages from 211.29.132.190 weren't sent. Please contact your Internet service provider since part of their network is on our block list. You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors.
554 5.0.0 Service unavailable