Bounce Message

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Bounce Message

A message from a server to an e-mail sender that the e-mail did not reach the recipient. There may be a variety of reasons for a bounce message, ranging from an invalid e-mail address to a full mailbox to a busy server.
References in periodicals archive ?
A Reverse Non-Delivery Report (RNDR) attack occurs when the spammer takes advantage of a server's inherent ability to return email that is misaddressed.
Backscatter is used to attack company networks by flooding mail servers with massive volumes of non-delivery reports, creating Internet service latency and connection problems in a crude Denial of Service (DoS) attack.
Keeping the directory database more accurate has led to a substantial reduction in non-delivery reports, further improving messaging transit times.
0 tightens Exchange security by providing non-signature based detection of new, unknown viruses and malware, and detection of various spoofing techniques used to provide non-delivery reports (NDR).
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