Having a prob with Windows Live Mail. BT Internetcom help-desk can't help.

Yahoo account receives and sends OK online internet but need to use WLM (Windows Live Mail) to automail PDFs. However for some reason WLM has stopped sending mail. Error msg:

The server does not support an SSL connection. 

Subject 'fyi3'

Server Error: 250

Server Response: 250

SIZE 41943040

Server: 'mail.btinternet.com'

Windows Live Mail Error ID: 0x800CCC7D

Protocol: SMTP Port: 587 Secure(SSL): Yes. 

Any help gratefully received with thanks.