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Use Office 365 with ExtraFax for Exchange

Link:  http://www.extracomm.com/Extracomm/FAQ.NSF/FAQs/daa4f8b20dcdb43548257c7c002dfc7e
Apply to:  ExtraFax for Exchange

Last Modified Date:  02/03/2017


Can I use ExtraFax for Exchange with Office 365 ?

Yes. ExtraFax for Exchange supports Office 365. This means Office 365 users can send and receive faxes from their inboxes.

There are two cases in general and the setup will be different and depends on your environment.


If you have an on-premise Active Directory synchronized to Office 365

You need to do the following:

    • Setup Exchange online outbound connector
    • Synchronize the required fax users from Active Directory to ExtraFax


If you do not have an on-premise Active Directory that is synchronized to Office 365

You need to do the following:


This article focuses on the setup of Exchange online outbound connector. Please refer to the administration guide on how to create fax users using different methods.



To setup Exchange online outbound connector

Note: You need to acquire a public DNS name or IP address for ExtraFax server (e.g. faxserver.adatum.com) before this setup.

1) Log in to the Office 365 Exchange admin center.

2) On the left side navigator menu, select “mail flow” and then select “connectors”.


3) Under Outbound Connectors, click the “+” button to create a new connector.

4) On the “new outbound connector” window, enter a name for the new connector. Make sure “Enable outbound connector" and “On-premises” are selected for Connector Type.




5) Scroll down the “new outbound connector” window. Under “Outbound Delivery”, make sure “Route mail through smart hosts” is selected. Click the “+” button to add a SMART HOST. The “Network Settings” window will appear.



6) On the “Network Settings” window, enter the DNS name or IP address of the ExtraFax server. Click Save.




7) Scroll down the “new outbound connector” window. Under Domains, click the “+” button to add a new domain for the connector. The “add domain” window will appear.

8) On the “add domain” window, enter the fax domain for ExtraFax (This is the fax domain specified during the ExtraFax Initial System Setup). Click OK.



9) Check the option “Route all accepted domains through this connector". The completed “new outbound connector” window should look like the following:



10) Click Save to create the new outbound connector.



    Once the setup has finished, Outlook users can send faxes to ExtraFax using the syntax <fax number>@<fax domain> (e.g. 1234567890@fax.adatum.com)