For a number of days our corporate server is being blocked from being sent to Outlook.com and Hotmail with the message:

COL0-MC3-F56.Col0.hotmail.com gave this error:
SC-002 (COL0-MC3-F56) Unfortunately, messages from 62.49.132.58 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.

 

I have checked the linked page and tried to contact support via the MSN support page, but there is no longer a form to submit delivery issues at https://support.msn.com/eform.aspx?productKey=edfsmsbl&ct=eformts

 

I have contacted my Internet service provider but they can see nothing blocking emails. How does the block get removed?

 

 



 

 

I am running Mac OS 10.6.8 on a Mac Book Pro with 4 GB of RAM.

I have three accounts set up in Outlook 2011 -- two Exchange accounts on a corporate server and one Gmail account. My database is just under 1 GB. I have a considerable amount of mail stored in the computers under "On this computer."

In the last week the program has become unusably slow. Double-clicking on a message and opening it takes about 15 seconds. I get the spinning beach ball nearly every time I open a message.

Should I rebuild my database? Trash preferences? Please help. I may have to abandon ship.

Thanks.