https://yourdomain.com/receiveThere is no php file or directory called "receive" what value do I put here?is it just my URL? "https://yourdomain.com/" I don't understand what the "receive" means.
does this have to be https?
I suggest you look at the installation video - https://www.youtube.com/watch?v=DNbo4OQd6QI&feature=youtu.be
Let me know if you have any more questions after this.