i've got this code for domain/email authentication:

function validateEmail ($email) {
 $d = explode('@',$email) ;
 $domain = $d[1] ;
 $link = fsockopen($domain, 80, &$errno, &$errstr, 30) ;
 if (!$link) {return false ;} else { return true ; }

in addition i'd like to check a pop3 server on the domain, is this possible using 
php?? anyone have
demo code for something like this?


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