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Hide e-mail addresses from spam- robots

Little son came to his father and asked him: «Is spammer is good, or he is bad?». I think that even little kids from the most "proficient" families have heard about spam which is a result of invisible front employees hard work. Today I will tell you how you can hide e-mail addresses from spam - robots, constantly surfing over the web in the search of new e-mails, when you are on some site pages.

As you all know, for sure, that spam is a big headache of all global network. Spam - robots are scanning a network and tear e-mails from site pages. Spammers are happy with growing addresses base and make money. Users are afraid to leave their addresses at forums, guest books etc... Admins are nervously configuring the spam- filters. Just simply saying, everyone is doing his work. Though, no one except spammer is not satisfied with such situation. What can we, the developers, first do in order to avoid such outrage? We can make e-mail addresses to be not understandable for spam - robots.

The spam - robot is the software that searches the symbols specific sequence (and this its' weakness), that looks like e-mail. Of course, spam robots are not too "stupid" and have some intelligence, which allows them to overpass some protection types. For example, the robot is sure to be able to detect in line:

<a href="mailto:&#109;&#121;&#110;&#97;&#109;&#101;&#64;&#109;&#121; &#115;&#105;&#116;&#101;&#46;&#99;&#111;&#109;">ìîé email </A>

Mnemonic links for symbols and decode them into "myname@mysite.com".

Though the robots are far from being perfect, and in particular, they are not able to interpret JavaScript- code, and we will use this bug. We will type JavaScript- function, which will type e-mail address on the page As the robot is not able to perform the function, it will not be able to get its' performance result- the e-mail

String.prototype.printAddr =
function (_hamper,_prefix,_postfix,_face)
{
  _hamper=
  _prefix+
  "@"+
  this+
  (_postfix || '')
  document.write((_face||_hamper).link("mailto:"+_hamper));
}

It will be better for you to save this function in a separate file, (e.g. hide_email.js) and activate it, when being at necessary pages in the following way:

<html>
<head>
<script type="text/javascript" src="hide_email.js"></script>
</head>
<body>
Ñâÿçàòüñÿ ñî ìíîé âû ìîæåòå ïî àäðåñó:
<script>"mysite".printAddr('ëþáàÿ àáðà-êàòàáðà', 'myname', '.com');</script>
</body>
</html>

The user will see the following as a result:

You can contact me via the following address: myname@mysite.com

The way described above is very efficient for today, though there is one nuance: user can deactivate Javascript, or broswer may not support it. What shall we do then? The will be very helpful, as it displays all contents in case if javascript is not available. The only thing we have to solve it what to show to user in noscript container? You may show the image with address, or the link to page with instructions and explanations, what to do further etc.

It is useful:
— Information boom (spam), what is it like?
— How to protect yourself from spam?
— Addresses... How spammers get them?
— Hide e-mail addresses from spam- robots
— How to fight spam
— Being afraid of spam - means not to have «at -@»
— 10 rules to protect oneself from spam and viruses
— How Mailonpix.com will be useful for you when fighting spam
— What you need to know about e-mail spam
— Why the «E-mail on the image» service is reliable
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