Inbox and customer settings
Banned visitors
Browser sessions the widget refuses; ban from a conversation, unban here.

Inbox and customer settingsRead it in the appThe same article opens from Help inside app.dotask.io, beside the screen it describes.
Ban from a conversation’s More menu when a visitor is abusive; the widget stops loading for that browser session. A ban follows the browser, not the person: a cleared browser is a new session. Unban from this page.