How to Disable/Enable Twitter Email notification?

Twitter already enhanced it’s Email notification system. It's added few new features to receive Email, when someone follow you, send direct message, retweet your Tweets etc. Earlier it was only for receive Email when someone follows or send a direct message. By thisemail notification you can easily track your twitter activities.

This new feature was announced on 24 May, by Twitter team. (See announced)
How to Unable Or Disable Twitter email Notification

How to Enable Twitter Email notification?
To active this go "settings" page on your account and then go notifications or just open this link with a new tab of your browser http://twitter.com/settings/notifications. Tick the options to get notifications on that activity. Then save your changes.

How to Disable Twitter Email notification?
If you are a power twitter user who gets lots of mention and retweets, you should disable this feature to keep your inbox clean. Just open this link with a new tab of your browserhttp://twitter.com/settings/notifications and untick notification options and save your settings.