spamlisted/blacklisted !!! a2nlsmtp01-02.prod.iad2.secureserver.net [220.127.116.11]
the email was rejected by the recipient mail server.
Dear Godaddy, please stop the spammer account and start the remove process.
if possible, get a dedicated IP, so that you need not send mails from spammers's shared IP. Also set DKIM and SPF to give authenticity to your mails.