Zix Email Encryption Customers: ACTION REQUIRED

Important Update:

We are preparing for your upgraded and improved experience on Zix Email Encryption. To ensure there is no mail interruption, you must add the below IP Range to your Firewall or inbound connector rules within the next 2 weeks.

Actions:

1. Add the following IP Range to you Firewall or inbound connector- 208.70.135.0/24
2. Do Not Remove any other IP Ranges at this time.
3. TLS 1.0 and TLS 1.1 are deprecated. Please be sure your email server is setup to support TLS 1.2 or higher.

Deadline to add IP Range:

• 7/27/21

Next Steps:

After adding the IP Range, please look for additional communication from our teams regarding your next steps and what to expect with your upgraded experience.

Technical Support:

https://www.excelmicro.com/support