For email encryption to work, you must register one or more domains to the Trend Micro Email Encryption Server.
When you register a domain to the Trend Micro Email Encryption Server for the first time, Deep Discovery Email Inspector is also registered to the server.
You cannot re-register a domain that is already registered to the Trend Micro Email Encryption Server.
You can add and register up to 300 domains to the Trend Micro Email Encryption Server.
After the first domain is registered to the Trend Micro Email Encryption Server successfully, you can update the email address in the Appliance Information section.
Type a domain in the text field and press Enter.
Select a domain from the list.
You can add up to 10 domains at a time.
Domains and their sub-domains are treated as unique entries. Sub-domains must be added separately to the domain list.
Wildcards cannot be used to include sub-domains.
LDAP groups (entries starting with" LDAP") cannot be added to the domain list.
Trend Micro sends the message to the following email addresses to verify ownership of the domain:
The email address returned from a WHOIS lookup for the domain
Trend Micro sends a key file for each added domain to the specified email address. If you do not receive a message with the key file for a domain within three working days, contact your sales representative.
After you have registered a domain, you can click Delete to remove a domain from the list. To add the delete domain to the list, you must perform the domain registration steps again.