Emails blocked by Verizon.net
"571 Email from {ip address} is currently blocked by Verizon Online's anti-spam system. The email sender or Email Service Provider may visit http://www.verizon.net/whitelist and request removal of the block."
Unfortunately, this comes up every few months from Verizon and they require the form to be completed at the link, above. You may complete the form with the following information:
Your first name: Todd
Your last name: Campbell
Your company name: Horizon Dynamic Web Designs, LLC.
Your contact e-mail address: postmaster@horizonwebref.com
Please re-enter contact e-mail address: postmaster@horizonwebref.com
Your contact phone number: 8885100605
Your domain: horizonwebref.com,horizonstaffscheduler.com,horizonfacility.com,horizondynamic.com
Your SMTP server IP address(es): {enter the IP Address from the undeliverable message - see above in red}
Do you have SPF Records? Select YES