Troubleshooting a Email Transport Encryption System Health Status Warning

Symptom

After applying the 8.0.0 update, a warning about Email Transport Encryption is displayed on the System Health Status page.

In some circumstances the warning could be displayed despite using SMTP on a secure protocol.

Solution

Please apply the 8.0.1 Maintenance Release via the Utilities > Update WHMCS page.

Hotfix

A hotfix has been created for 8.0.0 only to improve the accuracy of this System Health Check:

https://whmcs.community/files/file/134-core-15404-improve-accuracy-of-email-transport-encryption-health-check/