Allow MDN Not Via Server

To "Settings/Registration Table."
The machine receiving the I-fax can send an MDN to the IP address of the sending machine without going via a mail server. An MDN is a notification e-mail for checking the sending result.
If you are using the imageRUNNER ADVANCE C2020, depending on the region, the optional product is required to use this function. For information on the optional product, see "Optional Products Required for Each Function."
1.
Press (Settings/Registration).
2.
Press [Function Settings] → [Send] → [E-Mail/I-Fax Settings].
3.
Press [Allow MDN Not via Server].
4.
Press [On] → [OK].
Select [Off] to always send the MDN (Mail Delivery Notification) mail via a mail server.