ERROR: 554 Denied [IPR] (Mode: normal)
Posted by on 10 June 2014 10:15 AM
ERROR: 554 Denied [IPR] (Mode: normal)

ERROR: 554 Denied [IPR] (Mode: normal)

Messages denied as spam with the error 554 Denied [IPR] (Mode: normal) are being denied for poor IP reputation caused by high spam traffic seen by our servers from the sending IP.

The IP the message was sent from has sent a higher proportion of messages denied as spam than legitimate messages in a very short period of time. The block is automatic, and per server cluster within our service. A retry of the message may not necessarily be denied as the message may pass through a different server when resent therefore the recommendation is to have the sender attempt to resend the message again.

The IP will be cleared automatically once it stops sending traffic through those particular servers for 30 minutes. Adding the sending domain or sender's email address to the Sender Allow list on the service will not permit messages to bypass this type of block.

Customers may choose to opt out of this scan for inbound messages by contacting their support provider and requesting an opt-out form to be signed and sent in.  This is not recommended in many cases as it can cause an increased risk of inbound spam.

To obtain more thorough information on searching for and understanding a messages disposition, two Message Audit training sessions are available. The eLearning (module): Email Protection - Message Audit is designed for individuals unfamiliar with Message Audit.  The interactive eLearning (module): Email Protection - Message Audit – Advanced training session is designed for individuals familiar with Message Audit and wish to obtain a more detailed understanding of troubleshooting message dispositions.

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