405 – HTTP verb used to access this page is not allowed.

I kept on getting this error message:
“405 – HTTP verb used to access this page is not allowed.”
whenever i tried to use one of my PHP form on IIS server. I checked my handler mapping everything looked fine see below:

Then after a few hours of troubleshooting the issue without any luck (Google Included) , I decided to change the above verb to “All Verbs” that seems to have fixed the issue.