How to set "Return-Path" in mail

[groovyhippo]

I am using PHP's mail function, but cannot seem to set the "Return-Path" header. This is what I am doing:

$headers = "Return-Path: <[e-mail]>\r\n";
$headers .= "From:Me <[e-mail]>\r\n";
$headers .= "Reply-To: Me <[e-mail]>\r\n";
$headers .= "X-Mailer: My Mailer\r\n";
$headers .= "MIME-Version: 1.0\r\n";
$headers .= "Content-type: text/plain\r\n\r\n";
mail ($to, $subject, $body, $headers);

But when the emails get delivered, the Return-Path header is set to: [e-mail]

All other headers are set correctly.

Where am I going wrong?

[jatar_k]

I believe I use ini_set [php.net]("sendmail_from","[e-mail]")

it is hard set in the php.ini sendmail_from

[groovyhippo]

Just tried that, but it still didn't make any difference.

[groovyhippo]

jatar_k - are you running your scripts on a Win32 system or a linux one?

[jatar_k]

the scripts I have put that in were all on linux are you on Win32 then?

[groovyhippo]

No, I'm on linux too, but I read something that seemed to suggest the sendmail_from was for Win32 only. Think that was a red-herring though.

I have actually sorted the problem now. In the end, I edited sendmail.cf to treat apache as a 'trusted user' and then created a file in the httpd/conf folder to give the sendmail_from and sendmail_path new values. It means it's set for the entire site rather than for individual scripts, but it will do me.

Thanks for your help.