Safelisting URLs & Emails for Horizon Education

Safelisting, or a safelist (allowlist), is a cybersecurity strategy that approves a list of email addresses, IP addresses, domain names, or applications while denying all others. This is mainly for your IT administrators to use as a list of sites to allow just in case they get caught by IT protection.

Please safelist the following addresses:

​portal@progresslearning.com​

support@horizoneducation.com

​info@horizoneducation.com.com​

*.horizoneducation.com

horizoneducation.com​

​*.learnosity.com​

The Email Server Domain: em9734.horizoneducation.com

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