It was a matter of a few days back when my mailbox was flooded with emails from Twitter for the first time alerting me about every now and then (which wasn’t necessary for me to know about) someone had pointed me out in a tweet and some which said that my tweet had been marked as a favorite by someone. Now that’s annoying, to me at least.
But I wondered why this happened ever since the only emails I used to receive before this were for straight messages -I have them on to search direct messages on Twitter and archive them-. Then I investigated to find out what was the reason for sending me such emails for which I never subscribed before, then I came across that it was for the reason that Twitter had toggled on some new email alerts for me without my instructions.
If the same case is with you then you can disable the Twitter email notifications for replies, mentions and favorites by visiting your personal profile on twitter.
In order to do that, go to your Twitter profile page and click on the “Edit your profile” link. Then click on the “Notifications” tab situated on the profile page. You can either copy and paste this link: https://twitter.com/login?redirect_after_login=%2Fsettings%2Fnotifications directly in the address bar of your browser.
Remove the tick marks from the boxes adjacent to the notifications/alerts you do not wish to receive. Doing so will free you from notification email floods which were sent by Twitter. No doubt the new email alerts structure may perhaps be of use for some users, but I think that Twitter should have kept these preferences as opt-in more willingly than opt-out by default.