4.6.6 Email Bounce Error
Reason
Email Content Could Not Be Accessed: Delayed Message
The email message has not yet been delivered because an email system involved in transmitting the message had a problem accessing its content.
How to fix?
Try sending the message again in a while as this problem might be temporary or already in the process of being fixed. If this error persists, contact the email provider for help.
4.6.6- Official definition from ITEF
For the code that starts from 4.X.X
A persistent transient failure is one in which the message as sent is valid, but persistence of some temporary condition has caused abandonment or delay of attempts to send the message. If this code accompanies a delivery failure report, sending in the future may be successful.
For the code that starts from X.6.6
The message content could not be fetched from a remote system. This may be useful as a permanent or persistent temporary notification.
5.6.6 Email Bounce Error
Reason
Email Content Could Not Be Accessed: Message Not Delivered
The message could not be delivered because an email system involved in transmitting the message had a problem accessing its content.
How to fix?
Try sending the message again in a while as this problem might be temporary or already in the process of being fixed. If this error persists, contact the email provider for help.
5.6.6- Official definition from ITEF
For the code that starts from 5.X.X
A permanent failure is one which is not likely to be resolved by resending the message in the current form. Some change to the message or the destination must be made for successful delivery.
For the code that starts from X.6.6
The message content could not be fetched from a remote system. This may be useful as a permanent or persistent temporary notification.
