Please help. I cannot send emails in Windows Live mail 2012, I get the below error.  I can receive emails but cannot forward or send new messages.

Please note I am a computer novice. Thank you in advance.

The server does not support an SSL connection.

Subject 'Fw: Your order 700117309135 is on the way'
Server Error: 250
Server Response: 250 SIZE 41943040
Server: 'mail.btinternet.com'
Windows Live Mail Error ID: 0x800CCC7D
Protocol: SMTP
Port: 25
Secure(SSL): Yes