Manage blacklist contacts
Contacts from the blacklist can’t send messages to you. These users won’t be notified that they are blacklisted. Later, you can exclude these contacts from the black list and resume communication.
To add a user to the black list: right-click on the name in the list of contacts > Blacklist.
To remove a user from the blacklist: right-click on the name in the list of contacts > uncheck Blacklist.
To add a user to the black list: tap on the contact name on the top of the chat > Security > Black list.
To remove a user from the blacklist: Security > uncheck Black list.
To add a user to the black list: tap on the contact menu (three dots in the upper right corner) > Security > In blacklist.
To remove a user from the blacklist: contact menu > Security > uncheck In blacklist.