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Delayed Message: too many recipients for message

The email message has not yet been delivered because it was addressed to more recipients than the email systems involved could handle.


Divide the list ofrecipients into two groups and send The email message each group separately.

If this problem still occurs, divide your list further, e.g. into four, six, or more groups.

4.5.3: Official Definition


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.


More recipients were specified for the message than could have been delivered by the protocol. this error should normally result in the segmentation of the message into two, the remainder of the recipients to be delivered on a subsequent delivery attempt. It is included in this list in the event that such segmentation is not possible.