Shoutbox

Your contacts need to change their passwords as it is they that are "infected". A website they have been on is logging in and posting messages under their email address and most of the time your contacts don't even know it. This is nothing to do with Microsoft and there is little that can be done about it except for learning what to look for.

The list of websites that do this, the messages they send and the links are growing everyday and there are too many to track to make any decent checking tool