Ticket #2618: 2618.5.diff

src/includes/common/functions.php

@@ -1011 +1011 @@
  * @return string
  */
 function bbp_get_do_not_reply_address() {
-        $email = 'noreply@' . str_replace( 'www.', '', ltrim( get_home_url(), '^(http|https)://' ) );
+        $email = 'noreply@' . preg_replace( '@^https?://(www\.)?@i', '', get_home_url() );
         return apply_filters( 'bbp_get_do_not_reply_address', $email );
 }