https://www.webmaster-forums.net/crss/node/1040818 en https://www.webmaster-forums.net/web-programming-and-application-development/paypal-php#comment-1229000 <p><a href="https://www.paypal.com/us/cgi-bin/webscr?cmd=p/xcl/rec/ipn-intro-outside" class="bb-url">PayPal's IPN Feature</a> is one of the sure ways you know you were paid.</p> Thu, 06 Mar 2008 20:57:39 +0000 pr0gr4mm3r comment 1229000 at https://www.webmaster-forums.net