If you receive unwanted calls to your phone number on an iPhone, texts or iMessages in the Messages app, or unwanted incoming calls in FaceTime, you can block them by phone number or email address ...

Blocked texts won’t show up for you at all, but the sender won’t know they can’t reach you. To manage the numbers you’ve blocked, go to Messages and Blocked Contacts from the iOS Settings ...

Blocking a sender from an email they sent The easiest way to block someone on Gmail is from an email you received, whether you use a computer or the Gmail app on your phone.

How to block emails in Microsoft Outlook for iOS and Android As mentioned, you can block emails with the Outlook app available on iOS and Android.