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SPAMBOT Tutorial :

Most website owners want search engine spiders to visit and in the event that they are not wanted, they are easily blocked with a "robots.txt" file.

There is another group of spiders that crawl the web to collect email addresses. They are sometimes known as spam bots or email harvesters.

Most spam robots will ignore robots.txt. Here are some techniques to hide an email address from them.

1. Create a graphic image of your email address

2. Include words instead of the "at" symbol: name AT domain.com.

4. Include garbage characters and instructions: namespam@domain.com (remove the spam to send me mail)

5. Use a table (include borders or not - view the source to see how this works)

<table width=border="1"> <tr> <td>jackie</td> <td>@</td> <td>ientry.com</td> </tr> </table>

<table width=border="0"> <tr> <td>jackie</td> <td>@</td> <td>ientry.com</td> </tr> </table>

6. Use Javascript to mask email address :

Spiders are unable to process scripts. Adding a piece of Javascript in place of an email address effectively renders the address invisible to spiders, while leaving it accessible to your visitors with all but the most primitive of web browsers.

In the three examples below, substitute your username (the first half of your email address, everything before the @ symbol) and your hostname (everything after the @ symbol) and to use the scripts, just insert them into your page's HTML wherever you want the link to be displayed.

6.1. A spam proof clickable link that launches the visitor's email application, if appropriately cofigured :

<script language=javascript> <!-- var username = "username"; var hostname = "yourdomain.com"; var linktext = "Click Here To Send Me Email"; document.write("<a href=" + "mail" + "tox" + username + "@" + hostname + ">" + linktext + "</a>") //--> </script>

6.2. To display your email address as non mailto link (some people can't use mailto) :

<script language=javascript>
<!--
var username = "username";
var hostname = "yourdomain.com";
var linktext = username + "@" + hostname;
document.write("<a href=" + "mail" + "tox" + username + "@" + hostname + ">" + linktext + "</a>")
//-->
</script>

6.3. To give your email address without making it a clickable link :

<script language=javascript>
<!--
var username = "username";
var hostname = "yourdomain.com";
var linktext = username + "@" + hostname;
document.write(username + "@" + hostname)
//-->
</script>

7 : Use a contact form that will allow your visitors to fill in a form, the contents of wich you will receive as email. Many hosting providers offer this as a free service to their customers.

A contact form can enable you to deal with a higher volume of mail, by allowing you to pre-sort different types of message. This is easily accomplished by creating a drop-down menu with different options (e.g. support, billing, orders, etc.) that will populate the subject line of the email message.

As an alternative to forms that deliver content as email, consider using a private or public guestbook form. You avoid giving out your email to spambots, and allow an easy way for people to reach you, without clogging up you mailbox.

Forms methods also enable people who don't have, or don't wish to use, an email address to reach you.

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