![]() ![]() ![]() This tactic keeps the spammer's network free from processing all that extra traffic so it can send out more spam. The return address is set as your client's email address so that all the NDRs, out of office notices, and other such responses are sent to your client, not the spammer. More likely the culprit here is what is known as backscatter.īackscatter occurs when a spammer forges the from address of the spam email that is being sent. delete messages in the Junk Mail folder after 30 days) 2) if the message was manually deleted, it was done so by a client that does not prompt the user to send a not read receipt (i.e. It's possible that the non-delivery report (NDR) was generated by a message in the Junk Mail folder not being read, but for that to be the cause there are a couple things that need to be true: 1) the message was deleted, either manually by the user or by a retention policy on the message (i.e. ![]()
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