HUMail tracking is available in the administration console and CIM (for
users protected by HUMail). Navigate to menu => Follow-up => HUMail
This page lists the senders awaiting authentication and allows you to take action on the message(s) retained by HUMail.
Good to know:
A user with "administrator" privileges is entitled to release, release and certify, delete user messages.
Management from the safety report :
Each user who subscribes to their quarantine (security report) can view (via their e-mail box) the report of messages retained by Humail.
For more details on the Safety Report, please see the Safety Report User Guide.