I looked in my sent folder and there is a bunch of messages from  my account that I have not personally sent.  Hijacked by spammers I think?  My email address is:

{removed email address}

Thanks.

@Brennangrinder

If you think that someone used your account, please check the links below:

http://windowslivehelp.com/solutions/accounts/archive/2008/10/25/what-to-do-if-you-think-your-accounts-been-stolen.aspx

http://windowslivehelp.com/solutions/safety/archive/2009/04/29/recent-reports-of-account-hijacks.aspx

For your sending issue, please post the exact error message that you’ve encountered.