This hack uses an existing function built into WP to validate eMail addresses of those placing comments to your weblog. This assumes you are requiring name and eMail in your options.
![[Ask]](http://www.idglabs.com/wp-content/plugins/bookmarkify/ask.png "WordPress Hack: Force Valid Email Addresses")
![[BlogBookmark]](http://www.idglabs.com/wp-content/plugins/bookmarkify/blogbookmark.png "WordPress Hack: Force Valid Email Addresses")
![[Bloglines]](http://www.idglabs.com/wp-content/plugins/bookmarkify/bloglines.png "WordPress Hack: Force Valid Email Addresses")
![[del.icio.us]](http://www.idglabs.com/wp-content/plugins/bookmarkify/delicious.png "WordPress Hack: Force Valid Email Addresses")
![[Digg]](http://www.idglabs.com/wp-content/plugins/bookmarkify/digg.png "WordPress Hack: Force Valid Email Addresses")
![[Facebook]](http://www.idglabs.com/wp-content/plugins/bookmarkify/facebook.png "WordPress Hack: Force Valid Email Addresses")
![[Furl]](http://www.idglabs.com/wp-content/plugins/bookmarkify/furl.png "WordPress Hack: Force Valid Email Addresses")
![[Google]](http://www.idglabs.com/wp-content/plugins/bookmarkify/google.png "WordPress Hack: Force Valid Email Addresses")
![[MySpace]](http://www.idglabs.com/wp-content/plugins/bookmarkify/myspace.png "WordPress Hack: Force Valid Email Addresses")
![[Netvouz]](http://www.idglabs.com/wp-content/plugins/bookmarkify/netvouz.png "WordPress Hack: Force Valid Email Addresses")
![[Segnalo]](http://www.idglabs.com/wp-content/plugins/bookmarkify/segnalo.png "WordPress Hack: Force Valid Email Addresses")
![[Slashdot]](http://www.idglabs.com/wp-content/plugins/bookmarkify/slashdot.png "WordPress Hack: Force Valid Email Addresses")
![[Spurl]](http://www.idglabs.com/wp-content/plugins/bookmarkify/spurl.png "WordPress Hack: Force Valid Email Addresses")
![[StumbleUpon]](http://www.idglabs.com/wp-content/plugins/bookmarkify/stumbleupon.png "WordPress Hack: Force Valid Email Addresses")
![[Technorati]](http://www.idglabs.com/wp-content/plugins/bookmarkify/technorati.png "WordPress Hack: Force Valid Email Addresses")
![[Twitter]](http://www.idglabs.com/wp-content/plugins/bookmarkify/twitter.png "WordPress Hack: Force Valid Email Addresses")
![[Windows Live]](http://www.idglabs.com/wp-content/plugins/bookmarkify/windowslive.png "WordPress Hack: Force Valid Email Addresses")
![[Yahoo!]](http://www.idglabs.com/wp-content/plugins/bookmarkify/yahoo.png "WordPress Hack: Force Valid Email Addresses")
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