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Preventing Websites

Sites in this category give information about preventing an e-mail address from being spammed.- Category ID : 56100
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Wikipedia - CAPTCHA

Explains how captcha features can keep spammers from signing up for certain accounts online, such as email or weblogs. Explains how the system can be circumvented as well.
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Generates fake data to give to e-mail harvesting robots.
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How do spammers harvest email addresses?

Several methods are described.
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Spambot Beware

How to avoid, detect and harass spambots. Spambots are programs that extract email addresses from web pages, which are then used as targets for spam.
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How to Block E-mail Relaying

What to do when your computer is used to relay spam.
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Offering anti-spam program and disposable email addresses.
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A consulting company for businesses and governments promoting do-not-email registries. Includes spam news and articles.
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Paul Graham: Antispam

An intensive study essentially discussing spam-filtering techniques.
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How Do Spammers Get Email Addresses?

Twelve ways spammers obtain email address. Includes links to websites explaining how to trace spammers down.
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Outlook Express Tutorial

Step by step explanation with screenshots of how to set filters.
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How to Stop Messenger Spam

Explains how to stop web pop-up spam advertising in Windows Messenger.
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Email address encoder

Transforms ascii email addresses into their equivalent decimal entity through the use of Character Entities.
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Email Address Encoder

Offers simple and user challenge JavaScript based email encoder to prevent email harvesting.
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Universal opt-out by domain list; created as a "convenient opt-out" measure per the CAN-SPAM act.
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Anti-Spam | Stop Spam Bots

Converts HTML code to hide email address from spam bots.
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SEC Suspends Trading of 35 Companies Touted in Spam Email Campaigns

Press release from the US Securities and Exchange Commission, explaining their recent actions to help curb stock tout spam.
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Anti-Spam tips and Resources for Webmasters

Tips to publish email addresses on the web more safely. Includes a text-to-image converter and javascript encoders.
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