What does it mean when Delivery Monitor reports that email messages are "missing"?Delivery Monitor reports only successful deliveries of a message to a seed mailbox, whether it is to the inbox or the junk mail folder. Messages that do not arrive in either the inbox or the junk mail folder are deemed "missing"; the actual status is indeterminate.
If Delivery Monitor reports an excessive number of messages are missing, consider the possibility of a block. Please refer to the knowledge base entry on "How can I determine if my email is being blocked by an ISP?" for guidelines on identifying and handling blocking issues.
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