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Arizona Web Design Resources, Email Address Encryption

Email Address Encryption - Reduce Spam

This simple script will hide your e-mail address from spam bots. People have reported more than 80% less spam after implementing this neat trick.

We will use JavaScript to display the e-mail address, just about everyone in the world has JavaScript on their browser, so you shouldn't worry about people not being able to see it.

Quick facts about using this:

  • Works in all JavaScript enabled browsers.
  • Does not allow Spam Bots to see the code for the e-mail addresses, thus making it so they cannot send you spam.
  • These methods have been tested and work 100%.
  • Will not work if someone has JavaScript DISABLED. Some people browse the internet with JavaScript disabled, when they do, they are automatically not able to see 99.9% of web sites online since almost every site uses JavaScript.

How to implement it in your site

First, modify the yourdomain.com part to resemble the domain this script will be producing the e-mail. If your e-mail address is sales@domain1.com then you would enter domain1.com inside the place where yourdomain.com is at.

function generate_address( username ) {
var domain = "yourdomain.com";
var atsign = "@";
var addr = username + atsign + domain;
"<" + "a" + " " + "href=" + "mail" + "to:" + addr + ">" + addr + "</a>");

Then the following code between your <head> and </head> tags:

<script src="scripts/gen_email.js" type="text/javascript"></script>

Displaying the email address

Now whenever you want to display a certain e-mail address, insert the following code where you want the address displayed:

<script language="javascript" type="text/javascript">
generate_address( "part1" );

You will want to exchange part1 with the first part of your e-mail address. If you e-mail address is Sales@yourdomain.com you will substitute part1 with the word Sales.

Include this anywhere on your page that you want to display the e-mail address. So instead of using the code:

<a href=mailto:something@yourdomain.com>something@yourdomain.com</a>

You will use:

<script language="javascript" type="text/javascript">
generate_address( "something" );

It will produce the same results, but also make it so your address is hidden by spammers! Now that wasn't too hard, was it?

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