modules/returnpath/returnpath.module

<?php
// $Id: returnpath.module,v 1.6 2007/05/22 22:21:59 budda Exp $

/**
 * @file
 * Resolve sendmail 'return-path' header in emails sent from server.
 *
 * This allows bounceback emails to be returned to the sender, rather
 * than the server which originally relayed the mail.
 *
 * @author: Mike Carter <www.ixis.co.uk/contact>
 */

/**
 * Implementation of hook_help().
 */
function returnpath_help($path, $arg) {
  switch ($arg) {
    case 'admin/modules#description':
      return t('Correctly passes a return-path: header when processing email.');
  }
}

/**
 * Replaces the default user_mail() and adds the sendmail -f command to the PHP mail() call.
 */
function drupal_mail_wrapper($message) {
  unset($messages['headers']['From']);

  $mimeheaders = array();
  foreach ($message['headers'] as $name => $value) {
    $mimeheaders[] = $name .': '. mime_header_encode($value);
  }

  // If no explicit Return-path set, use From header and add Return-Path.
  $return_path = empty($message['headers']['Return-Path'])
    ? $message['from']
    : $message['headers']['Return-Path'];

  return mail(
    $message['to'],
    mime_header_encode($message['subject']),
    // Note: e-mail uses CRLF for line-endings, but PHP's API requires LF.
    // They will appear correctly in the actual e-mail that is sent.
    str_replace("\r", '', $message['body']),
    // For headers, PHP's API suggests that we use CRLF normally,
    // but some MTAs incorrecly replace LF with CRLF. See #234403.
    join("\n", $mimeheaders),
    // Adds the sendmail -f command.
    "-f". $return_path
  );
}
1	<?php
2	// $Id: returnpath.module,v 1.6 2007/05/22 22:21:59 budda Exp $
3
4	/**
5	* @file
6	* Resolve sendmail 'return-path' header in emails sent from server.
7	*
8	* This allows bounceback emails to be returned to the sender, rather
9	* than the server which originally relayed the mail.
10	*
11	* @author: Mike Carter <www.ixis.co.uk/contact>
12	*/
13
14	/**
15	* Implementation of hook_help().
16	*/
17	function returnpath_help($path, $arg) {
18	switch ($arg) {
19	case 'admin/modules#description':
20	return t('Correctly passes a return-path: header when processing email.');
21	}
22	}
23
24	/**
25	* Replaces the default user_mail() and adds the sendmail -f command to the PHP mail() call.
26	*/
27	function drupal_mail_wrapper($message) {
28	unset($messages['headers']['From']);
29
30	$mimeheaders = array();
31	foreach ($message['headers'] as $name => $value) {
32	$mimeheaders[] = $name .': '. mime_header_encode($value);
33	}
34
35	// If no explicit Return-path set, use From header and add Return-Path.
36	$return_path = empty($message['headers']['Return-Path'])
37	? $message['from']
38	: $message['headers']['Return-Path'];
39
40	return mail(
41	$message['to'],
42	mime_header_encode($message['subject']),
43	// Note: e-mail uses CRLF for line-endings, but PHP's API requires LF.
44	// They will appear correctly in the actual e-mail that is sent.
45	str_replace("\r", '', $message['body']),
46	// For headers, PHP's API suggests that we use CRLF normally,
47	// but some MTAs incorrecly replace LF with CRLF. See #234403.
48	join("\n", $mimeheaders),
49	// Adds the sendmail -f command.
50	"-f". $return_path
51	);
52	}