E-mail Error After Submission

I submitted an article using my own name and email. However, the admin email receives this error:

-----Original Message-----
From: Mail Delivery Subsystem [mailto:MAILER-DAEMON@libservices.viterbo.edu]
Sent: Thursday, December 08, 2016 11:53 AM
To: Jason A Skoog
Subject: Undeliverable: [ATPP] New notification from Analytic Teaching and Philosophical Praxis

The original message was received at Thu, 8 Dec 2016 11:52:53 -0600 from www-data@localhost

----- The following addresses had permanent fatal errors ----- ojsadmin Skoog jaskoog@viterbo.edu
(reason: 553 5.1.8 jaskoog@viterbo.edu… Domain of sender address jaskoog@viterbo.edu does not exist)
(expanded from: ojsadmin Skoog jaskoog@viterbo.edu)

----- Transcript of session follows ----- … while talking to [127.0.0.1]:

DATA
<<< 553 5.1.8 jaskoog@viterbo.edu… Domain of sender address jaskoog@viterbo.edu does not exist
550 5.1.1 ojsadmin Skoog jaskoog@viterbo.edu… User unknown <<< 503 5.0.0 Need RCPT (recipient)

A staff member figured it out. I’m not sure off hand what he did, but I’ll try to find out and post it here.