Several days ago I had a question about removing index.php from the address bar, so the address of the page looks shorter and better. The shortest solution of this problem w
POST values will NEVER survive an external redirect (the R=301), it's a security liability, so browsers will never support that. Remove the R=301 and you will be fine. You just should alter all existing links to the page to the shorter/prettier one ('s but also form actions etc.)