Checking the User Agent String
Provided your web server allows for Server Side Includes (SSI), some advise eluding email harvesters by encapsulating email addresses in something like this:
<!--# if expr="\"$HTTP_USER_AGENT\" != /ExtractorPro|EmailSiphon|WEBMOLE|Crescent Internet ToolPak|NEWT ActiveX|CherryPicker|Microsoft URL Control|EmailCollector|EmailWolf|NICErsPRO|Telesoft|WebBandit|WebEMailExtractor/" -->
However, many harvesters do not identify themselves by names which reveal their true intent. Therefore, any solution based on the User Agent Signature is bound to failed.
<!--# endif -->
The Hidemail Interface
The name is displayed next to the subject line (if provided) in the list of messages in the reader's Inbox and the sender's Sent Items. When no name is provided, the email address is used.
To incorporate a name in a mailto: link, wrap the email in sharp <brackets> like a html tag and place the name in front.
Example: <a href="mailto:My Name<firstname.lastname@example.org>">email@example.com</a>
The email address should be in the familiar email format. While you are typing, the label may turn red, warning you of an illegitimate format.
The text to display as the email link text, can be either the email address itself, the name associated with this address, or any other text.
The preview area is where the output is rendered as it would on the page where you include the hidemail code. Hover over the link and look in the status bar to see if it meets your expectations.
The links at the bottom lead to the homepage of the site, to this help page and to your webservant's email address.