White Papers

How to Avoid Being Blacklisted

Category: Software and Web Development, Security

Overview A blacklist usually refers to a list of e-mail or IP addresses known to send spam e-mails or some other type of unsolicited messages. Such lists are currently used by mail servers for filtering incoming e-mails and blocking the ones listed, in order to improve mail security and integrity. The blacklist is also the opposite of what is called a whitelist. Blacklists may also define what is considered to be an abuse, sometimes in a debatable manner, as no strict rules are set regarding this matter. Some of them include NDR and other auto-responses in their policy in order to prevent NDR attacks and other similar problems. During normal operations, as the RFC states, any server is forced to accept NDR messages.

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Publisher: GECAD TECHNOLOGIES
File Format: PDF
Date Published: Feb 13, 2009
Format: White Papers
Topics: Email, Application Servers, Security Management

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