User-agent: Mediapartners-Google* 
Disallow:
User-agent: * 
Disallow: /cgi-bin/
Disallow: /portal/
Disallow: /images/
Disallow: /mcmail/
Disallow: /mcmail/mcaudio/
Disallow: /custom/
Disallow: /purchased/
Disallow: /purchased/logins/