[PHP] DNS lookups only sometimes

I have an email validation script written in PHP that works on most Apache machines I try it on, with the exception (of course) of my production box that it needs to go on. This production machine is a Slackware 10.2 box, running Apache 1.33 and PHP 4.4.0. The script works if I

Re: [PHP] DNS lookups only sometimes

Thank you for your reply. You'd first have to show us the source code that does the email checks. In addition, see if you can dig out the httpd.conf and php.ini that are used on the production server, and post links to them, after removing any data you consider sensitive. As