Knowledgebase: Zix Encryption
Encrypted email bounces with: <zixvpmgateway@zixvpm.DOMAIN>: zixmail decrypt failed[ZIX_CRYPTO_KEYNOTFND_ERROR]
Posted by Carlos Rios on 17 November 2017 07:01 PM

This indicates that the recipient's ZixGateway encryption key is active, but has not been uploaded into the Server Manager, or the key has recently recreated and the updated key has not been uploaded into Server Manager.

Please contact support to add the correct key to the Server Manager and then Deploy and Cycle the cluster.

ERROR: This domain name does not match domain registered in the license key file (, allowed domains:,localhost, please change the product path to match the domain under Admin CP > Settings > General Settings
This product will not work properly unless untill that value is changed.

For more information please contact Kayako support at