You can cancel Sanebox from two locations:

Inside Webmail under Settings

In the One.com control panel under Mail administration

Cancel Sanebox inside Webmail

1. Log in to Webmail and go to Settings.
2. Click Sanebox in the menu to the left.
3. Click on "Do you want to cancel your subscription?"
4. Click Cancel subscription to confirm.

An email will be sent to the owner of the web hosting subscription with a confirmation that Sanebox has been cancelled for this account.

Cancel Sanebox from the one.com control panel

You can manage Sanebox for all email accounts on your domain from the One.com control panel under Mail Administration.

1. Log in to the one.com control panel.
2. Click on the Email tile to go to mail administration.
3. Under Mail accounts, move the slider for Sanebox to the left for the email address you want to deactivate Sanebox for.
4. Click Cancel subscription to confirm.

Related articles:

What is Sanebox?

How do I log in to Webmail?