Windows 7 - cant send or see picture on e-mail

Your server has unexpectedly terminated the connection. Possible causes for
this include server problems, network problems, or a long period of
inactivity. Subject 'Thinking', Account: 'mrna75@earthlink.net Mail
Account', Server: 'smtpauth.earthlink.net', Protocol: SMTP, Port: 25,
Secure(SSL): No, Error Number: 0x800CCC0F

By any chance are you using McAfee or Norton antivirus?
Those have been found to be incompatible with Windows Mail
and should be uninstalled and replaced with a compatible
antivirus like the free version of Avast:
http://www.avast.com/eng/download-avast-home.html

Gary VanderMolen