Whenever I send an email to the account I get an email back saying:
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:
test123@robinswebsite.net
SMTP error from remote mailer after RCPT TO:<
test123@robinswebsite.net>:
host mail.robinswebsite.net [69.93.44.254]: 554 <
test123@robinswebsite.net>:
Relay access denied