You can revoke a Mailock message using the Outlook add-in.
To revoke a message in Outlook:
Simply navigate to your sent items mailbox, locate the message that you wish to revoke and select to open the message window. Click the Access details button in the toolbar, then select the tick box in the Revoked column for a given recipient.
Who can revoke a message?
Any Beyond Encryption account holder can unrevoke a message, however, only premium account holders can revoke a message.
