This error report keeps popping up when I try to send an e-mail from Windows Live Mail. Why is this happening and what can I do to fix it?The connection to the server has failed.

Subject 'Whirl away working'
Server: 'mail.cleaningdoctor.ie'
Windows Live Mail Error ID: 0x800CCC0E
Protocol: SMTP
Port: 25
Secure(SSL): No
Socket Error: 10060