COL0-MC3-F48.Col0.hotmail.com gave this error:
SC-001 (COL0-MC3-F48) Unfortunately, messages from 178.33.89.6 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.

A problem occurred while delivering this message to this email address. Try sending this message again. If the problem continues, please contact your helpdesk.

we have try all thi links but nothing works many of the links just dont work, our ip address in nos in any black list we check on mxtoolbox.com

so how we can fix this, we have spam filter, firewall and exchange wath else microsoft need to aolw us to send emails to hotmail

this is very frustrating....