Original Title:windows live mail.

i can recieve but not send emails

i get this error code

The connection to the server has failed.

Subject 'Re: Friday 22/4'
Server: 'mail.optusnet.com.au'
Windows Live Mail Error ID: 0x800CCC0E
Protocol: SMTP
Port: 25
Secure(SSL): No
Socket Error: 10013

any help is appreciated