What causes this error

.net 007: This e-mail message was undeliverable due to the following reason:

.net 018: Each of the following recipients were rejected by a destination mail system.

Note: The reasons given by the destination mail system are included to help you determine why each recipient was rejected.

Solution:
Attempt to resend, or contact the recipient by alternate means to let them know about the issue.

Recipient: <music@ballardbridgegroup.com>
Reason: imf24aec.mail.bellsouth.net [205.152.59.72] is currently not permitted to relay through this server. Perhaps you have not logged into the pop/imap server in the last 30 minutes or do not have SMTP Authentication turned on in your email client.

I checked and the domain is in the /etc/localdomains

 

I did /scripts/exim4 and it is not returning.

45 minutes now

arning, /scripts/exim4 is depreciated. Your request has been passed to /scripts/
eximup
Exim Setup Script Version 20.0
Fetching version information from http://updates.cpanel.net/eximinstall/version (C
URRENT)....Done


No prompt back.