At this step, specify the message senders that make up the scope of the policy. The application applies the policy to outgoing messages that have been sent by these senders.
The policy is applied to messages sent by company users enumerated in the list below.
You can user accounts and user groups to the list or remove them using the and buttons.
You can add only security groups of users to the list. Distribution groups cannot be added. Contact the administrator for additional information.
If the list includes a group of users, the application applies the policy to outgoing messages sent by any users belonging to that group (and also to subgroups).
The list contains user accounts, groups of user accounts, and email addresses from which any messages are excluded from the policy.
The following buttons are designed for creating a list:
– adds the address in mailbox@domain.com format specified in the entry field to the list. You may use masks, such as *@domain.com.
– adds a user account or group of user accounts belonging to the company to the list. You can add only security groups of users to the list. Distribution groups cannot be added. Contact the administrator for additional information.
– remove the selected record from the list.
If an exclusion has been specified as a group of users, the application does not apply the policy to outgoing messages sent by any users belonging to that group (and also to subgroups).
and 
buttons.
– adds the address in mailbox@domain.com format specified in the entry field to the list. You may use masks, such as *@domain.com.