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How to Block NDR Spam

Published By: GFI
Published:  Jun 13, 2008
Length:  8 pages

Spam generates an enormous amount of traffic that is both time-consuming to handle and resource intensive. Apart from that, a large number of organizations have been victims of NDR spam that has an effect similar to a Distributed Denial of Service on the email system. In this paper we provide a technical explanation of NDR Spam and recommend solutions that can prevent or limit exposure to this kind of unsolicited email.

Tagsemail security, ddos, denial of service, distributed denial of service, ndr, spam, non-delivery report, non delivery report