<IfModule mod_headers.c>
  Header always set Access-Control-Allow-Origin "*"
  Header always set Access-Control-Allow-Methods "POST, OPTIONS"
  Header always set Access-Control-Allow-Headers "Content-Type"
  Header always set Access-Control-Max-Age "86400"
</IfModule>

# IMPORTANT: allow OPTIONS to pass to PHP scripts (no redirects / no custom error pages)
<IfModule mod_rewrite.c>
  RewriteEngine On
  RewriteCond %{REQUEST_METHOD} OPTIONS
  RewriteRule ^ - [L]
</IfModule>
