Spamming
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Spamming is the act of sending large numbers of unsolicited electronic messages (usually of a commercial nature). Although there are several methods, the most used is based on e-mail. Spam in the form of text messages may also target mobile … Read More

How to avoid e-mail spam
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Computer users can avoid e-mail spam in several ways: End-users can use automated e-mail filtering on their own computers. System administrators can use appropriate tools to trap e-mail spam at the mail server level, either by use of software or … Read More

Context filtering
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Context filtering is an anti-spam / mail policy method that does not deal with the contents of the mail but rather uses the context of the SMTP connection to decide whether a mail will be accepted or not. This method … Read More

Complement set email filtering
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Complement Set Filtering (CSF) is a method for filtering unsolicited bulk email (UBE or spam) The technique utilizes at least two email accounts: the primary account where spam and non-spam is received and secondary accounts that receive only spam. CSF … Read More

Bogofilter
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Bogofilter is a mail filter that classifies e-mail as spam or ham (non-spam) by a statistical analysis of the message’s header and content (body). The program is able to learn from the user’s classifications and corrections. It was originally written … Read More

Bayesian spam filtering
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Bayesian spam filtering is the process of using Bayesian statistical methods to classify documents into categories. Bayesian filtering was proposed by Sahami et al. (1998) and gained attention in 2002 when it was described in the paper A Plan for … Read More

Protection against spam
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End users can protect themselves from the brunt of spam’s impact in numerous ways. Preventing Address Harvesting Preventing spammers from obtaining your email address doesn’t really solve the spam problem, any more than avoiding all but lowest crime areas of … Read More

Email spam filters
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The continuing increase in spam has resulted in rapid growth in the use of spam filter programs: software designed to examine incoming email and separate spam emails from genuine email messages intended for the user. Unwanted e-mail can be filtered … Read More

Stopping e-mail abuse
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E-mail has become the subject of much abuse, in the form of both spamming and E-mail worm programs. Both of these flood the in-boxes of E-mail users with junk E-mails, wasting their time and money, and often carrying offensive, fraudulent, … Read More

History of spamming
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“SPAM” a 19th Century Problem In the late 19th Century Western Union allowed telegraphic messages on its network to be sent to multiple destinations. Up until the Great Depression wealthy North American residents would be deluged with nebulous investment offers. … Read More

Political issues for spam
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Spamming remains a hot discussion topic. In fact, many online users have even suggested (though they were presumably joking) that cruel forms of capital punishment would be appropriate for spammers. In 2004, the seized Porsche of an indicted spammer was … Read More

Costs of spam
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The California legislature found that spam cost United States organizations alone more than $10 billion in 2004, including lost productivity and the additional equipment, software, and manpower needed to combat the problem. Spam’s direct effects include the consumption of computer … Read More

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