Managing Address Groups

Creating an address group facilitates your policy management. You can use Address Groups screen to manage address groups in Trend Micro Email Security.

Table 1. Address Groups Screen



Querying Address Groups

  1. Specify an address group name, an email address, or a domain name.

  2. Click Search.


For Email, the supported formats are, *, name@*, name@*, and *@*

For example, searching for name@* will return the following:


  • name@*

  • name@*.com

  • name@*

  • *

  • *@*

  • *@*.com

Adding an Address Group

Click Add.

  1. In the Basic Information section, provide the following information:

    • Name: A name for the address group.

    • Description (optional): A description for the address group.

    • Internal Group (optional): An address group that only contains managed domains or email addresses that belong to managed domains.


      You must use internal groups when specifying senders (or sender exceptions) in outbound policies or recipients (or recipient exceptions) in inbound policies.

    • In the Email Addresses section, choose either of the following ways to specify the email addresses in the address group:

      • Specify the email address in the text box and click Add.


        Only one email address can be added at a time.

        For more information about the valid formats of the email addresses, see the table below.

      • Import email addresses.

        1. Click Import.

        2. Next to File location, browse and select a CSV file to import.

          You can click Download sample file to view a sample of a properly formatted file.

          Trend Micro Email Security checks all the entries in the selected file to identify any invalid and duplicate email addresses.

        3. After you confirm all the entries to be imported, click Import.

    • Click Submit.

Editing an Address Group

In the Address Groups list, click the name of the group you want to edit and follow the instructions in Adding an Address Group procedure in this table.


A hybrid address group cannot be changed into an internal group if the group contains at least one wildcard domain member.

Deleting Address Groups

In the Address Groups list, select the groups to delete. Click Delete, and click OK to confirm.


Only address groups that are not referenced by any policies can be deleted.

The following table displays format examples for address groups:

Table 2. Format Examples for Address Groups

Valid for Internal Address Group

Valid for Hybrid Address Group