RewriteEngine on
RewriteRule "^paypal_return.shtml" "/S/paypal_return.shtml"

<Files "imapsync_bin_Darwin">
        # Safari (the native Mac browser) transforms it to Amiga imapsync_bin_Darwin.dms
        # https://forums.macrumors.com/threads/safari-erroneously-adding-dms-extension-to-downloads.2080108/
        ForceType application/octet-stream
</Files>