How do I set privacy for the email address?
To set privacy for your email address:-
For Android:
1. Tap on Profile icon item on left up corner.
2. Tap on the Settings icon 
in the top right corner.
3. Tap on Privacy Settings.
4. Tap on the drop-down menu to change the privacy settings for your list.
5. Tap on your required privacy option.
6. Tap on Done.
For IOS:
1. Tap on Profile icon item on left up corner.
2. Tap on the Settings icon in the top right corner.
3. Tap on Privacy Settings.
4. Tap on the drop-down menu to change the privacy settings for your list.
5. Tap on your required privacy option.
6. Tap on Done.