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Email Obfuscation

Email obfuscation is an attempt to make an email address difficult for spam bots to harvest and begin spamming. There are two forms of obfuscation: manual obfuscation and HTML-code obfuscation. In manual obfuscation, the user manually breaks up their email address using text that a human can easily read and decode but that wouldn’t form a valid address a spam bot could harvest. Thus, an email address like someguy@somehost.org might be written like someguy AT somehost DOT org; a human could read that but it wouldn’t register as an email address if a bot was scanning for a typical *@*.* email address format.

The other type of obfuscation, HTML-code obfuscation, relies on using the HTML codes for letters, numbers, and symbols (as opposed to plaintext) in order to throw bots off. Thus the same someguy@somehost.org would appear (in the HTML code of the web page) as  someguy@somehost.org. The benefit for this method is that it’s easily read by humans with no amount of decoding and ignored by all but the most sophisticated spambots.

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