Disable notifications for a particular account on macOS mail app
49827
How to disable notifications for a single mailbox in Mail?
35934
Disable Two-Factor Authentication for macOS?
40180
How to stop Catalina from contacting Apple servers when executing programs?
38514
How can I block app and game invitations once and for all in Facebook?
152317
Block local (unix) users from sending mail
1832
Prevent mail being marked as spam
66665
How to prevent an email from accidentally being forwarded?
140510
Make Social/Promotions/Updates/Forums categorization Go Away in Gmail
121775
Disable Gmail automatic categorisation?
50153
How to block any app from being installed?
141001
How to turn off Reload alerts?
72955
Sending notifications from Mac to iPhone/ iPad/ iPod touch
111712
How do I opt-out of the new Reply in Gmail?
99646
Disable the guest user completely in El Capitan without having to disable 'Find My Mac'
88151
How to turn off Facebook notifications on Mac OS X?
154654
Turning off Device Enrollment Notifications on MacBook Pro
128144
How do I stop email reminder from iCal?