Email address on a website is never safe. There are a number of bots running on the internet which collects email address from the webpages. Here is a secure way of securing your email address from such bots using CSS
Add this to your head section.
<style type="text/css">
span.secure-mail
{
unicode-bidi:bidi-override;
direction: rtl;
}
</style>
Now, write your email backwards using this style
<style class="secure-mail">ofni.yamas@yamas</span>

This can also be done using PHP funtion called hide_email().
Comment by samay — February 1, 2010 @ 1:26 pm
How about writing like this?
echo “gro&naibed*kitrak”|rev|tr “*” “@”|tr “&” “.”
Comment by Kartik Mistry — February 10, 2010 @ 3:10 pm