Non Delivery Report Sendmail

• A Bayesian filter looks at individual words (or "tokens") in a message and "weighs" them for their frequency of appearance in spam versus their frequency of appearance in general, non-spam e-mail; when the weights of all these words are combined using the Bayes equation, the result is an estimate of the probability that a message is spam.
• Can spam act 2003: controlling the assault of non-solicited pornography and marketing.
• CAN SPAM Act 2003 - Controlling the Assault of Non-Solicited Pornography And Marketing.
• Exchange is supported primarily by Microsoft's Outlook mail client, and by an increasing number of non-Microsoft clients as well.
• Examples include the inclusion of non-sequiter keywords or hidden text on a web page, or the seeding of other web pages with links to the page being spammed.
• (spamdexing)Now, more than ever, it is vital that true non-spam email messages be absolutely accurate and arrive at the correct location, on time.
• A new network was formed for educational purposes, internet 2, that has the same purpose as the original internet but will be for non-commercial use only and (hopefully) spam-free.
• Some spam-for-hire companies are simply spammers themselves and send no legitimate, non-spam email.
• MIME is a necessary update to the SMTP-based mail system because SMTP does not allow non-ASCII text data to appear anywhere in e-mail messages.
• False positives (a non-spam e-mail message that is falsely tagged as a spam message by a spam filter) can be more worrisome than false negatives because they might represent important personal communications that the recipient might never see unless he carefully examines the messages trapped by his filter.
• Ndr spam: uses a faked standard email non-delivery report (ndr) that a recipient will think is genuine, tricking them into opening an attachment that is spam.
• In the pump-and-dump game, a nonperforming stock is heavily promoted to the public with the expectation that it will temporarily rise in value, allowing current investors to sell out at a profit, at which point the share price usually collapses back to its original levels.
• A non-spam e-mail message that is falsely tagged as a spam message by a spam filter is called a false positive.

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