* $Id$
*/
-/*****************************************************************/
-/*** THIS FILE NEEDS TO HAVE ITS FORMATTING FIXED!!! ***/
-/*** PLEASE DO SO AND REMOVE THIS COMMENT SECTION. ***/
-/*** + Base level indent should begin at left margin, as ***/
-/*** the require_once and global lines below. ***/
-/*** + All identation should consist of four space blocks ***/
-/*** + Tab characters are evil. ***/
-/*** + all comments should use "slash-star ... star-slash" ***/
-/*** style -- no pound characters, no slash-slash style ***/
-/*** + FLOW CONTROL STATEMENTS (if, while, etc) SHOULD ***/
-/*** ALWAYS USE { AND } CHARACTERS!!! ***/
-/*** + Please use ' instead of ", when possible. Note " ***/
-/*** should always be used in _( ) function calls. ***/
-/*** Thank you for your help making the SM code more readable. ***/
-/*****************************************************************/
-
require_once('../functions/addressbook.php');
require_once('../functions/plugin.php');
require_once('../functions/prefs.php');
global $username, $popuser, $domain;
-// This should most probably go to some initialization...
+/* This should most probably go to some initialization... */
if (ereg("^([^@%/]+)[@%/](.+)$", $username, $usernamedata)) {
$popuser = $usernamedata[1];
$domain = $usernamedata[2];
} else {
$popuser = $username;
}
-// We need domain for smtp
-if (!$domain)
+/* We need domain for smtp */
+if (!$domain) {
$domain = getenv('HOSTNAME');
+}
-// Returns true only if this message is multipart
+/* Returns true only if this message is multipart */
function isMultipart () {
global $attachments;
- if (count($attachments)>0)
+ if (count($attachments)>0) {
return true;
- else
+ }
+ else {
return false;
+ }
}
-// looks up aliases in the addressbook and expands them to
-// the full address.
-// Adds @$domain if it wasn't in the address book and if it
-// doesn't have an @ symbol in it
+/* looks up aliases in the addressbook and expands them to
+ * the full address.
+ *
+ * Adds @$domain if it wasn't in the address book and if it
+ * doesn't have an @ symbol in it
+ */
function expandAddrs ($array) {
global $domain;
- // don't show errors -- kinda critical that we don't see
- // them here since the redirect won't work if we do show them
+ /* don't show errors -- kinda critical that we don't see
+ * them here since the redirect won't work if we do show them
+ */
$abook = addressbook_init(false);
for ($i=0; $i < count($array); $i++) {
$result = $abook->lookup($array[$i]);
$array[$i] = $ret;
}
else
- {
- if (strpos($array[$i], '@') === false)
- $array[$i] .= '@' . $domain;
- $array[$i] = '<' . $array[$i] . '>';
+ {
+ if (strpos($array[$i], '@') === false) {
+ $array[$i] .= '@' . $domain;
}
+ $array[$i] = '<' . $array[$i] . '>';
+ }
}
return $array;
}
-// looks up aliases in the addressbook and expands them to
-// the RFC 821 valid RCPT address. ie <user@example.com>
-// Adds @$domain if it wasn't in the address book and if it
-// doesn't have an @ symbol in it
+/* looks up aliases in the addressbook and expands them to
+ * the RFC 821 valid RCPT address. ie <user@example.com>
+ * Adds @$domain if it wasn't in the address book and if it
+ * doesn't have an @ symbol in it
+ */
function expandRcptAddrs ($array) {
global $domain;
- // don't show errors -- kinda critical that we don't see
- // them here since the redirect won't work if we do show them
+ /* don't show errors -- kinda critical that we don't see
+ * them here since the redirect won't work if we do show them
+ */
$abook = addressbook_init(false);
for ($i=0; $i < count($array); $i++) {
$result = $abook->lookup($array[$i]);
$array[$i] = $ret;
}
else {
- if (strpos($array[$i], '@') === false)
+ if (strpos($array[$i], '@') === false) {
$array[$i] .= '@' . $domain;
+ }
$array[$i] = '<' . $array[$i] . '>';
}
}
}
-// Attach the files that are due to be attached
+/* Attach the files that are due to be attached
+ */
function attachFiles ($fp) {
global $attachments, $attachment_dir, $username;
-
+
$length = 0;
-
+
$hashed_attachment_dir = getHashedDir($username, $attachment_dir);
if (isMultipart()) {
foreach ($attachments as $info) {
- if (isset($info['type']))
+ if (isset($info['type'])) {
$filetype = $info['type'];
- else
+ }
+ else {
$filetype = 'application/octet-stream';
-
- $header = '--'.mimeBoundary()."\r\n";
- $header .= "Content-Type: $filetype; name=\"" .
- $info['remotefilename'] . "\"\r\n";
- $header .= "Content-Disposition: attachment; filename=\"" .
- $info['remotefilename'] . "\"\r\n";
-
- // Use 'rb' for NT systems -- read binary
- // Unix doesn't care -- everything's binary! :-)
-
+ }
+
+ $header = '--' . mimeBoundary() . "\r\n";
+ if ( isset($info['remotefilename']) && $info['remotefilename'] != '') {
+ $header .= "Content-Type: $filetype; name=\"" .
+ $info['remotefilename'] . "\"\r\n";
+ $header .= "Content-Disposition: attachment; filename=\"" .
+ $info['remotefilename'] . "\"\r\n";
+ } else {
+ $header .= "Content-Type: $filetype;\r\n";
+ }
+
+
+ /* Use 'rb' for NT systems -- read binary
+ * Unix doesn't care -- everything's binary! :-)
+ */
+
$filename = $hashed_attachment_dir . '/' . $info['localfilename'];
$file = fopen ($filename, 'rb');
if (substr($filetype, 0, 5) == 'text/' ||
- $filetype == 'message/rfc822') {
+ substr($filetype, 0, 8) == 'message/' ) {
$header .= "\r\n";
fputs ($fp, $header);
$length += strlen($header);
$tmp = str_replace("\r\n", "\n", $tmp);
$tmp = str_replace("\r", "\n", $tmp);
$tmp = str_replace("\n", "\r\n", $tmp);
- if (feof($fp) && substr($tmp, -2) != "\r\n")
+ if (feof($fp) && substr($tmp, -2) != "\r\n") {
$tmp .= "\r\n";
+ }
fputs($fp, $tmp);
$length += strlen($tmp);
}
return $length;
}
-// Delete files that are uploaded for attaching
+/* Delete files that are uploaded for attaching
+ */
function deleteAttachments() {
global $attachments, $attachment_dir;
}
}
-// Return a nice MIME-boundary
+/* Return a nice MIME-boundary
+ */
function mimeBoundary () {
static $mimeBoundaryString;
-
- if ($mimeBoundaryString == "") {
- $mimeBoundaryString = "----=_" .
- GenerateRandomString(60, '\'()+,-./:=?_', 7);
+
+ if ( !isset( $mimeBoundaryString ) ||
+ $mimeBoundaryString == '') {
+ $mimeBoundaryString = '----=_' . date( 'YmdHis' ) . '_' .
+ mt_rand( 10000, 99999 );
}
-
+
return $mimeBoundaryString;
}
global $invert_time;
$diff_second = date('Z');
- if ($invert_time)
+ if ($invert_time) {
$diff_second = - $diff_second;
- if ($diff_second > 0)
+ }
+ if ($diff_second > 0) {
$sign = '+';
- else
+ }
+ else {
$sign = '-';
-
+ }
+
$diff_second = abs($diff_second);
$diff_hour = floor ($diff_second / 3600);
global $default_charset, $HTTP_VIA, $HTTP_X_FORWARDED_FOR;
global $REMOTE_HOST, $identity;
- // Storing the header to make sure the header is the same
- // everytime the header is printed.
+ /* Storing the header to make sure the header is the same
+ * everytime the header is printed.
+ */
static $header, $headerlength;
if ($header == '') {
$from_addr = getPref($data_dir, $username, 'email_address');
}
- if ($from_addr == '')
+ if ($from_addr == '') {
$from_addr = $popuser.'@'.$domain;
+ }
$to_list = getLineOfAddrs($to);
$cc_list = getLineOfAddrs($cc);
/* Encoding 8-bit characters and making from line */
$subject = encodeHeader($subject);
- if ($from == '')
+ if ($from == '') {
$from = "<$from_addr>";
- else
+ }
+ else {
$from = '"' . encodeHeader($from) . "\" <$from_addr>";
+ }
/* This creates an RFC 822 date */
$date = date("D, j M Y H:i:s ", mktime()) . timezone();
$message_id .= time() . '.squirrel@' . $SERVER_NAME .'>';
/* Make an RFC822 Received: line */
- if (isset($REMOTE_HOST))
+ if (isset($REMOTE_HOST)) {
$received_from = "$REMOTE_HOST ([$REMOTE_ADDR])";
- else
+ }
+ else {
$received_from = $REMOTE_ADDR;
-
+ }
+
if (isset($HTTP_VIA) || isset ($HTTP_X_FORWARDED_FOR)) {
- if ($HTTP_X_FORWARDED_FOR == '')
+ if ($HTTP_X_FORWARDED_FOR == '') {
$HTTP_X_FORWARDED_FOR = 'unknown';
+ }
$received_from .= " (proxying for $HTTP_X_FORWARDED_FOR)";
}
$header .= "From: $from\r\n";
$header .= "To: $to_list\r\n"; // Who it's TO
- /* Insert headers from the $more_headers array */
- if(is_array($more_headers)) {
+ if (isset($more_headers["Content-Type"])) {
+ $contentType = $more_headers["Content-Type"];
+ unset($more_headers["Content-Type"]);
+ }
+ else {
+ if (isMultipart()) {
+ $contentType = "multipart/mixed;";
+ }
+ else {
+ if ($default_charset != '') {
+ $contentType = 'text/plain; charset='.$default_charset;
+ }
+ else {
+ $contentType = 'text/plain;';
+ }
+ }
+ }
+
+ /* Insert headers from the $more_headers array */
+ if(is_array($more_headers)) {
reset($more_headers);
while(list($h_name, $h_val) = each($more_headers)) {
$header .= sprintf("%s: %s\r\n", $h_name, $h_val);
$header .= "Cc: $cc_list\r\n"; // Who the CCs are
}
- if ($reply_to != '')
+ if ($reply_to != '') {
$header .= "Reply-To: $reply_to\r\n";
+ }
if ($useSendmail) {
if ($bcc_list) {
}
}
- $header .= "X-Mailer: SquirrelMail (version $version)\r\n"; // Identify SquirrelMail
-
- // Do the MIME-stuff
+ $header .= "X-Mailer: SquirrelMail (version $version)\r\n"; /* Identify SquirrelMail */
+
+ /* Do the MIME-stuff */
$header .= "MIME-Version: 1.0\r\n";
if (isMultipart()) {
- $header .= 'Content-Type: multipart/mixed; boundary="';
+ $header .= 'Content-Type: '.$contentType.' boundary="';
$header .= mimeBoundary();
$header .= "\"\r\n";
} else {
- if ($default_charset != '')
- $header .= "Content-Type: text/plain; charset=$default_charset\r\n";
- else
- $header .= "Content-Type: text/plain;\r\n";
+ $header .= 'Content-Type: '.$contentType."\r\n";
$header .= "Content-Transfer-Encoding: 8bit\r\n";
}
$header .= "\r\n"; // One blank line to separate header and body
$headerlength = strlen($header);
}
- // Write the header
+ /* Write the header */
fputs ($fp, $header);
return $headerlength;
}
-// Send the body
+/* Send the body
+ */
function writeBody ($fp, $passedBody) {
global $default_charset;
if (isMultipart()) {
$body = '--'.mimeBoundary()."\r\n";
- if ($default_charset != "")
+ if ($default_charset != "") {
$body .= "Content-Type: text/plain; charset=$default_charset\r\n";
- else
+ }
+ else {
$body .= "Content-Type: text/plain\r\n";
+ }
$body .= "Content-Transfer-Encoding: 8bit\r\n\r\n";
$body .= $passedBody . "\r\n\r\n";
$attachmentlength = attachFiles($fp);
- if (!isset($postbody)) $postbody = "";
+ if (!isset($postbody)) {
+ $postbody = "";
+ }
$postbody .= "\r\n--".mimeBoundary()."--\r\n\r\n";
fputs ($fp, $postbody);
} else {
return (strlen($body) + strlen($postbody) + $attachmentlength);
}
-// Send mail using the sendmail command
+/* Send mail using the sendmail command
+ */
function sendSendmail($t, $c, $b, $subject, $body, $more_headers) {
global $sendmail_path, $popuser, $username, $domain;
- // Build envelope sender address. Make sure it doesn't contain
- // spaces or other "weird" chars that would allow a user to
- // exploit the shell/pipe it is used in.
+ /* Build envelope sender address. Make sure it doesn't contain
+ * spaces or other "weird" chars that would allow a user to
+ * exploit the shell/pipe it is used in.
+ */
$envelopefrom = "$popuser@$domain";
$envelopefrom = ereg_replace("[[:blank:]]",'', $envelopefrom);
$envelopefrom = ereg_replace("[[:space:]]",'', $envelopefrom);
$envelopefrom = ereg_replace("[[:cntrl:]]",'', $envelopefrom);
- // open pipe to sendmail or qmail-inject (qmail-inject doesn't accept -t param)
+ /* open pipe to sendmail or qmail-inject (qmail-inject doesn't accept -t param) */
if (strstr($sendmail_path, "qmail-inject")) {
$fp = popen (escapeshellcmd("$sendmail_path -f$envelopefrom"), "w");
} else {
$to = expandRcptAddrs(parseAddrs($t));
$cc = expandRcptAddrs(parseAddrs($c));
$bcc = expandRcptAddrs(parseAddrs($b));
- if (isset($identity) && $identity != 'default')
+ if (isset($identity) && $identity != 'default') {
$from_addr = getPref($data_dir, $username, 'email_address' . $identity);
- else
+ }
+ else {
$from_addr = getPref($data_dir, $username, 'email_address');
+ }
- if (!$from_addr)
+ if (!$from_addr) {
$from_addr = "$popuser@$domain";
+ }
$smtpConnection = fsockopen($smtpServerAddress, $smtpPort, $errorNumber, $errorString);
if (!$smtpConnection) {
$to_list = getLineOfAddrs($to);
$cc_list = getLineOfAddrs($cc);
- /** Lets introduce ourselves */
+ /* Lets introduce ourselves */
if (! isset ($use_authenticated_smtp) || $use_authenticated_smtp == false) {
fputs($smtpConnection, "HELO $domain\r\n");
$tmp = fgets($smtpConnection, 1024);
fputs($smtpConnection, "AUTH LOGIN\r\n");
$tmp = fgets($smtpConnection, 1024);
- if (errorCheck($tmp, $smtpConnection)!=5) return(0);
-
+ if (errorCheck($tmp, $smtpConnection)!=5) {
+ return(0);
+ }
+
fputs($smtpConnection, base64_encode ($username) . "\r\n");
$tmp = fgets($smtpConnection, 1024);
- if (errorCheck($tmp, $smtpConnection)!=5) return(0);
+ if (errorCheck($tmp, $smtpConnection)!=5) {
+ return(0);
+ }
fputs($smtpConnection, base64_encode (OneTimePadDecrypt($key, $onetimepad)) . "\r\n");
$tmp = fgets($smtpConnection, 1024);
- if (errorCheck($tmp, $smtpConnection)!=5) return(0);
+ if (errorCheck($tmp, $smtpConnection)!=5) {
+ return(0);
+ }
}
- /** Ok, who is sending the message? */
+ /* Ok, who is sending the message? */
fputs($smtpConnection, "MAIL FROM: <$from_addr>\r\n");
$tmp = fgets($smtpConnection, 1024);
- if (errorCheck($tmp, $smtpConnection)!=5) return(0);
+ if (errorCheck($tmp, $smtpConnection)!=5) {
+ return(0);
+ }
- /** send who the recipients are */
+ /* send who the recipients are */
for ($i = 0; $i < count($to); $i++) {
fputs($smtpConnection, "RCPT TO: $to[$i]\r\n");
$tmp = fgets($smtpConnection, 1024);
- if (errorCheck($tmp, $smtpConnection)!=5) return(0);
+ if (errorCheck($tmp, $smtpConnection)!=5) {
+ return(0);
+ }
}
for ($i = 0; $i < count($cc); $i++) {
fputs($smtpConnection, "RCPT TO: $cc[$i]\r\n");
$tmp = fgets($smtpConnection, 1024);
- if (errorCheck($tmp, $smtpConnection)!=5) return(0);
+ if (errorCheck($tmp, $smtpConnection)!=5) {
+ return(0);
+ }
}
for ($i = 0; $i < count($bcc); $i++) {
fputs($smtpConnection, "RCPT TO: $bcc[$i]\r\n");
$tmp = fgets($smtpConnection, 1024);
- if (errorCheck($tmp, $smtpConnection)!=5) return(0);
+ if (errorCheck($tmp, $smtpConnection)!=5) {
+ return(0);
+ }
}
-
- /** Lets start sending the actual message */
+
+ /* Lets start sending the actual message */
fputs($smtpConnection, "DATA\r\n");
$tmp = fgets($smtpConnection, 1024);
- if (errorCheck($tmp, $smtpConnection)!=5) return(0);
-
- // Send the message
+ if (errorCheck($tmp, $smtpConnection)!=5) {
+ return(0);
+ }
+
+ /* Send the message */
$headerlength = write822Header ($smtpConnection, $t, $c, $b, $subject, $more_headers);
$bodylength = writeBody($smtpConnection, $body);
- fputs($smtpConnection, ".\r\n"); // end the DATA part
+ fputs($smtpConnection, ".\r\n"); /* end the DATA part */
$tmp = fgets($smtpConnection, 1024);
$num = errorCheck($tmp, $smtpConnection, true);
if ($num != 250) {
return(0);
}
- fputs($smtpConnection, "QUIT\r\n"); // log off
+ fputs($smtpConnection, "QUIT\r\n"); /* log off */
fclose($smtpConnection);
function errorCheck($line, $smtpConnection, $verbose = false) {
global $color;
- // Read new lines on a multiline response
+ /* Read new lines on a multiline response */
$lines = $line;
while(ereg("^[0-9]+-", $line)) {
$line = fgets($smtpConnection, 1024);
$lines .= $line;
}
- // Status: 0 = fatal
- // 5 = ok
-
+ /* Status: 0 = fatal
+ * 5 = ok
+ */
$err_num = substr($line, 0, strpos($line, " "));
switch ($err_num) {
case 500: $message = 'Syntax error; command not recognized';
break;
case 504: $message = 'Command parameter not implemented';
$status = 0;
- break;
-
+ break;
case 211: $message = 'System status, or system help reply';
$status = 5;
$status = 5;
break;
-
case 220: $message = 'Service ready';
$status = 5;
break;
case 221: $message = 'Service closing transmission channel';
$status = 5;
break;
+
case 421: $message = 'Service not available, closing chanel';
$status = 0;
break;
- case 235: return(5); break;
+ case 235: return(5);
+ break;
case 250: $message = 'Requested mail action okay, completed';
$status = 5;
break;
return $err_num;
}
-function sendMessage($t, $c, $b, $subject, $body, $reply_id, $prio = 3) {
- global $useSendmail, $msg_id, $is_reply, $mailbox, $onetimepad;
- global $data_dir, $username, $domain, $key, $version, $sent_folder, $imapServerAddress, $imapPort;
- global $default_use_priority;
- global $more_headers;
+function sendMessage($t, $c, $b, $subject, $body, $reply_id, $MDN, $prio = 3) {
+ global $useSendmail, $msg_id, $is_reply, $mailbox, $onetimepad,
+ $data_dir, $username, $domain, $key, $version, $sent_folder, $imapServerAddress,
+ $imapPort, $default_use_priority, $more_headers, $request_mdn, $request_dr;
+
$more_headers = Array();
- do_hook("smtp_send");
-
+ do_hook('smtp_send');
+
$imap_stream = sqimap_login($username, $key, $imapServerAddress, $imapPort, 1);
-
+
if (isset($reply_id) && $reply_id) {
sqimap_mailbox_select ($imap_stream, $mailbox);
sqimap_messages_flag ($imap_stream, $reply_id, $reply_id, 'Answered');
-
- // Insert In-Reply-To and References headers if the
- // message-id of the message we reply to is set (longer than "<>")
- // The References header should really be the old Referenced header
- // with the message ID appended, but it can be only the message ID too.
+
+ /* Insert In-Reply-To and References headers if the
+ * message-id of the message we reply to is set (longer than "<>")
+ * The References header should really be the old Referenced header
+ * with the message ID appended, but it can be only the message ID too.
+ */
$hdr = sqimap_get_small_header ($imap_stream, $reply_id, false);
if(strlen($hdr->message_id) > 2) {
$more_headers['In-Reply-To'] = $hdr->message_id;
if ($default_use_priority) {
$more_headers = array_merge($more_headers, createPriorityHeaders($prio));
}
-
- // In order to remove the problem of users not able to create
- // messages with "." on a blank line, RFC821 has made provision
- // in section 4.5.2 (Transparency).
+
+ $requestRecipt = 0;
+ if (isset($request_dr)) {
+ $requestRecipt += 1;
+ }
+ if (isset($request_mdn)) {
+ $requestRecipt += 2;
+ }
+ if ( $requestRecipt > 0) {
+ $more_headers = array_merge($more_headers, createReceiptHeaders($requestRecipt));
+ }
+
+ /* In order to remove the problem of users not able to create
+ * messages with "." on a blank line, RFC821 has made provision
+ * in section 4.5.2 (Transparency).
+ */
$body = ereg_replace("\n\\.", "\n..", $body);
$body = ereg_replace("^\\.", "..", $body);
-
- // this is to catch all plain \n instances and
- // replace them with \r\n. All newlines were converted
- // into just \n inside the compose.php file.
+
+ /* this is to catch all plain \n instances and
+ * replace them with \r\n. All newlines were converted
+ * into just \n inside the compose.php file.
+ */
$body = ereg_replace("\n", "\r\n", $body);
+ if ($MDN) {
+ $more_headers["Content-Type"] = "multipart/report; ".
+ "report-type=disposition-notification;";
+ }
+
if ($useSendmail) {
- $length = sendSendmail($t, $c, $b, $subject, $body, $more_headers);
+ $length = sendSendmail($t, $c, $b, $subject, $body, $more_headers);
} else {
$length = sendSMTP($t, $c, $b, $subject, $body, $more_headers);
}
-
if (sqimap_mailbox_exists ($imap_stream, $sent_folder)) {
sqimap_append ($imap_stream, $sent_folder, $length);
write822Header ($imap_stream, $t, $c, $b, $subject, $more_headers);
sqimap_append_done ($imap_stream);
}
sqimap_logout($imap_stream);
- // Delete the files uploaded for attaching (if any).
- // only if $length != 0 (if there was no error)
- if ($length)
+ /* Delete the files uploaded for attaching (if any).
+ * only if $length != 0 (if there was no error)
+ */
+ if ($length) {
ClearAttachments();
-
+ }
+
return $length;
}
function createPriorityHeaders($prio) {
$prio_headers = Array();
- $prio_headers["X-Priority"] = $prio;
-
+ $prio_headers['X-Priority'] = $prio;
+
switch($prio) {
- case 1: $prio_headers["Importance"] = "High";
- $prio_headers["X-MSMail-Priority"] = "High";
+ case 1: $prio_headers['Importance'] = 'High';
+ $prio_headers['X-MSMail-Priority'] = 'High';
break;
-
- case 3: $prio_headers["Importance"] = "Normal";
- $prio_headers["X-MSMail-Priority"] = "Normal";
+
+ case 3: $prio_headers['Importance'] = 'Normal';
+ $prio_headers['X-MSMail-Priority'] = 'Normal';
break;
-
+
case 5:
- $prio_headers["Importance"] = "Low";
- $prio_headers["X-MSMail-Priority"] = "Low";
+ $prio_headers['Importance'] = 'Low';
+ $prio_headers['X-MSMail-Priority'] = 'Low';
break;
}
return $prio_headers;
}
+function createReceiptHeaders($receipt) {
+
+ GLOBAL $data_dir, $username;
+
+ $receipt_headers = Array();
+ $from_addr = getPref($data_dir, $username, 'email_address');
+ $from = getPref($data_dir, $username, 'full_name');
+
+ if ($from == '') {
+ $from = "<$from_addr>";
+ }
+ else {
+ $from = '"' . encodeHeader($from) . "\" <$from_addr>";
+ }
+
+ /* On Delivery */
+ if ( $receipt == 1
+ || $receipt == 3 ) {
+ $receipt_headers["Return-Receipt-To"] = $from;
+ }
+ /* On Read */
+ if ($receipt == 2
+ || $receipt == 3 ) {
+ /* Pegasus Mail */
+ $receipt_headers["X-Confirm-Reading-To"] = $from;
+ /* RFC 2298 */
+ $receipt_headers["Disposition-Notification-To"] = $from;
+ }
+ return $receipt_headers;
+}
+
+
?>