[snip] Does this parameter have anything to do with the -f option of the Unix/Linux sendmail command? [/snip]
I'm not a linux expert, but as far as I know, it's the same. It allows users to set the Return-Path header with the mail() function, but this is disallowed when your PHP is set to safe_mode. HTH, Ivo -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php