These emails are sent to you as an alert for matches, recent visitor invites etc. on your profile & helps to accelerate your matchmaking.

If you wish, you can stop these alerts. All you need to do is log in to your profile and click the link:-

Mobile app user can follow below steps:-

1) Open App. On the Home Tab, scroll to the bottom screen.

2) Click "Settings" under "Quick Links".

3) You will see options to unsubscribe alert mails for Matches, Activity & Offers.