Trend Micro Hosted Email Security Administrator’s Guide
The Approved Senders screen allows mail administrators to approve specific email
addresses or domains to send email messages to the managed domains.
Note: This screen is separate from the IP Reputation Approved/Blocked lists (IP
Reputation > Approved/Blocked). On this screen you can approve email addresses
or domains so that they are not scanned; the Approved/Blocked screen under IP
Reputation applies to IP reputation checks only.
For approved senders:
Hosted Email Security will not block any email messages from the senders (or
Content-based heuristic spam rules will not apply to email messages received from
the specified senders or domains
All virus, content-based, and attachment rules will still apply
4-1. Approved Senders screen