TRICK 1 :
1. Change your Primary Mail
a) Log in to Orkut > Go To Edit Profile!
b) Click on Contact tab and change your Primary Email address to some other id, which you don't use much.
c) Your login id will remain same but your friends will see your other email id and mails will be sent there.
TRICK 2 :
1. Log in to Orkut then Go to Settings > Notifications.
2. Now you will see the option that there are many notifications which orkut sends you by mail. Uncheck the unnecessary options to prevent spam.
3. Thats it, You are done. Enjoy!
Posted in: orkut
