Deferred email logs
Posted by on 01 July 2014 10:33 AM
Deferred email logs

Delivery Status Deferred:

Emails get deferred at Proofpoint Essentials,  if the destination SMTP server is down or if there is a temporary network issue with the receiving server.
In this case, receiving server should be investigated, may be looking at receiving server's log details should help identifying the issue with that server.

If the E-mails are getting deferred at Proofpoint Essentials end, these emails will be automatically retried once every 5 min for the first hour, then once per 30 min after that. There is no manual flush involved or supported in this case.

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