respNonDeliveryReason
resp Non Delivery Reason
1.3.6.1.4.1.334.3.1.2.3.1.7
A textual representation representing the reason for non-delivery to this recipient. No attempt is made to normalize these non-delivered reasons across systems, since this indicates a terminal condition.
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IPHost Network monitor allows you to monitor respNonDeliveryReason on device via the SNMP protocol. You can start monitoring using free 30-day trial version of IPHost Network Monitor right now.
