would this qmail anti-spam script work with postfix?

This a question for the postfix experts. We still use qmail because we have a very easy script that logs every path a mail is send from. This works wonders to find a hacked/spamming website. Would this work in postfix? If not, would some adjustments help to get it working, or will this never work in postfix?

All that is needed now is to rename /var/qmail/bin/sendmail to /var/qmail/bin/sendmail.real and replace /var/qmail/bin/sendmail with this script

create an amty log with the correct...

would this qmail anti-spam script work with postfix?