Please help,

     im getting the following error while i try to log into windows live email. I get the following error

The message could not be sent because the server rejected the sender's email address. The sender's email address was *** Email address is removed for privacy ***'.

Subject 'Re: HELP...'
Server Error: 530
Server Response: 530 Authentication is required before sending [R0107005]
Server: 'smtp-server.roadrunner.com

I can log into my email using firefox through my internet provider but not windows live.

PLEASE HELP ME.  please email me at  *** Email address is removed for privacy ***

[Original title: Help having an issue with windows live]