Install a version of CentOS 5.4 x86_64 with ISPConfig 3 as HowtoForge HOWTO configure a resseller and their customers, I go places without problem, but when I test mail from the contact form from somewhere, the message does not reach the recipient. I thank somebody can help me, plus I'm Latin and I have made this translation by the translator of google, please excuse me, my English is very basic ... jejeje