I am using windows 7 x64 and and getting an error when sending email. I have disabled my firewall and I am still not able to send my mail through hotmail.com.

Here is the log printout when I perform a 'test' send:

Connecting to mail server.
Remote host connection complete. [0, OK]
Connected.
220 BLU0-SMTP86.blu0.hotmail.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Wed, 28 Apr 2010 03:52:52 -0700
EHLO EricComputer-BC
250 OK
RSET
530 5.7.0 Must issue a STARTTLS command first
QUIT
221 2.0.0 BLU0-SMTP86.blu0.hotmail.com Service closing transmission channel
Remote host disconnected. [0, OK]
Disconnected.

Can you please help me send my alerts?