Microsoft anti-Safari?

A member of the Cube email list reports that he is unable to log in to his Hotmail account with Safari. He does say this “is limited to the browser login check. If you fire up MSN Messenger and click on the Mail icon with Safari set as your default browser, it will take you right in with no problem.”
Another member reports that once he logged in with this roundabout solution, he was able to log in again directly through Safari.