Confirm the SMTP server name is set correctly
Start the Remote UI and click [Settings] under [Add. Func.].
Click [E-mail/I-Fax Settings] under [Network Settings] and make sure that the name of the SMTP server is set correctly.
note:
You can also check the SMTP server name on <SMTP Server> in <E-mail/I-Fax> in <Network Settings> of <System Management Settings> (from the Additional Functions screen) on the machine.