Introduction
The Contact function has two different purposes of existence :
- To share a list of contacts within the organization.
- To restrict the exchange of the emails from/to the organizations accounts.
Share a Contact List:
Most of the time, there are some email addresses that every member of an organization needs to know. Contacts created in Contacts section will be synchronized with all the mailbox of the domain!
Restrict or manage the email communication
Some times an administrator needs to keep the email flow under sever control. This kind of control could be one of the following role :
- Receive emails only from certain contacts.
- Sent emails only to certain contacts.
- Receive and Sen emails only to certain contacts.
How to create a Contact
To add a contact to your domain contact List just click on 
Type a proper display name and the email address of the contact... and then just click to
Fill the contact with more details (not a mandatory step).
Useful Tip
Setting up all those account details properly will provide an incredible contact list, full of useful information to those who will link their smart devices with their Microsoft Exchange account!
The inserted contacts will be appeared from now on in Contacts section and they are ready for further management.
Contact Management
Navigate to Contacts section, by clicking on 
from the left column menu.
Remove a contact
To delete\remove a contact from the Contact List simply click on the 
at the end of the contact row.
Modify a Contact
To modify a Contact click upon the display name, add/remove/edit any of the contact details and then click on 
Restrict or Manage the email communication
An email administrator some times needs to forward mailboxes or restrict the mail communication from or to, certain emails.
Mail forwarding to external email
To enable forwarding to an external email (email address out of the domain) the administrator ought to create a contact with the external email address before enable the forwarding process from the Mail Flow Settings
Restriction in mail communication
The domain administrator is able to restrict the sending and/or receiving email process from or to the addresses created under the Contacts section. Check the Accept \ Reject Messages From.
Conclusion
Having done reading this article have as a result the contact function to be mastered.