have trouble email photo's using photo Gallery with Windows 7 I did the upgrade Gallery 2012 but have the same problem error message is 530 and live mail error 0x800CCC78

The message could not be sent because the server rejected the sender's email address. The sender's email address was '*** Email address is removed for privacy ***'.

Subject 'Christmas 2013'
Server Error: 530
Server Response: 530 5.7.1 Authentication required
Server: 'smtp.sbcglobal.yahoo.com'
Windows Live Mail Error ID: 0x800CCC78
Protocol: SMTP
Port: 25
Secure(SSL): No