Blocking Values From an External Source

From: Date: Fri, 16 Dec 2005 19:50:14 +0000
Subject: Blocking Values From an External Source
Groups: php.general 
Request: Send a blank email to php-general+get-227558@lists.php.net to get a copy of this message
Hi, I have a script on my site for processing values sent from a contact form and emailing them to the webmaster. The script has been abused by spammers and my hosting company has recommended that I change the script to only accept information posted from my own URL. Could someone tell me how this can be done please? Thanks for your advice.

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