[PHP] Custom pipe script failure code

Hello, I have a quick question regarding the pipe function in Postfix and the use of PHP as a mail sorter/parser. I've looked around and see many people have used PHP as a quick and dirty solution for putting mail data into a database. I am taking all incoming mail, parsing out headers

Re: [PHP] Custom pipe script failure code

So is there a way to exit(); with some sort of code to put that message back into the queue? I have read that I need to exit(75); but that does not work. If anyone could help, that would be more than fantastic. That's exactly what you need. What doesn't work exactly? $ php -a Interactive