mirror of
https://github.com/EGroupware/egroupware.git
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464 lines
13 KiB
PHP
464 lines
13 KiB
PHP
<?php
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/**************************************************************************\
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* eGroupWare API - smtp mailer *
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* This file written by Itzchak Rehberg <izzysoft@qumran.org> *
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* and Joseph Engo <jengo@phpgroupware.org> *
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* This module should replace php's mail() function. It is fully syntax *
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* compatible. In addition, when an error occures, a detailed error info *
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* is stored in the array $send->err (see ../inc/email/global.inc.php for *
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* details on this variable). *
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* Copyright (C) 2000, 2001 Itzchak Rehberg *
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* -------------------------------------------------------------------------*
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* This library is part of the eGroupWare API *
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* http://www.egroupware.org/api *
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* ------------------------------------------------------------------------ *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published by *
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* the Free Software Foundation; either version 2.1 of the License, *
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* or any later version. *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* See the GNU Lesser General Public License for more details. *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this library; if not, write to the Free Software Foundation, *
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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\**************************************************************************/
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/* $Id$ */
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class send
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{
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var $err = array('code','msg','desc');
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var $to_res = array();
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function send()
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{
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$this->err['code'] = ' ';
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$this->err['msg'] = ' ';
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$this->err['desc'] = ' ';
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$this->charset = $GLOBALS['phpgw']->translation->charset();
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}
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function msg($service, $to, $subject, $body, $msgtype='', $cc='', $bcc='', $from='', $sender='', $content_type='', $boundary='Message-Boundary')
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{
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if ($from == '')
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{
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$from = $GLOBALS['phpgw_info']['user']['fullname'].' <'.$GLOBALS['phpgw_info']['user']['preferences']['email']['address'].'>';
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}
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if ($sender == '')
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{
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$sender = $GLOBALS['phpgw_info']['user']['fullname'].' <'.$GLOBALS['phpgw_info']['user']['preferences']['email']['address'].'>';
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}
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if ($service == "email")
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{
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$now = getdate();
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$header = 'Date: '.gmdate('D, d M Y H:i:s').' +0000'."\n";
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$header .= 'From: '.$from."\n";
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if($from != $sender)
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{
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$header .= 'Sender: '.$sender."\n";
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}
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$header .= 'Reply-To: '.$GLOBALS['phpgw_info']['user']['preferences']['email']['address']."\n";
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$header .= 'To: '.$to."\n";
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if (!empty($cc))
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{
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$header .= 'Cc: '.$cc."\n";
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}
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if (!empty($bcc))
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{
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$header .= 'Bcc: '.$bcc."\n";
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}
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if (!empty($msgtype))
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{
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$header .= 'X-phpGW-Type: '.$msgtype."\n";
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}
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$header .= 'X-Mailer: eGroupWare (http://www.egroupware.org)'."\n";
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/* // moved to email/send_message.php
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if ($GLOBALS['phpgw_info']['user']['preferences']['email']['email_sig'] && $attach_sig)
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{
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//$body .= "\n-----\n".$GLOBALS['phpgw_info']['user']['preferences']['email']['email_sig'];
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$get_sig = $this->sig_html_to_text($GLOBALS['phpgw_info']['user']['preferences']['email']['email_sig']);
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$body .= "\n-----\n" .$get_sig;
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}
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*/
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if (empty($content_type))
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{
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$content_type ='plain';
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}
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if (ereg($boundary, $body))
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{
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$header .= 'Subject: ' . stripslashes($subject) . "\n"
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. 'MIME-Version: 1.0'."\n"
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. 'Content-Type: multipart/mixed;'."\n"
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. " boundary=\"$boundary\"\n\n"
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. "--$boundary\n"
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. 'Content-type: text/' .$content_type . '; charset="'.$this->charset.'"'."\n";
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// if (!empty($msgtype))
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// {
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// $header .= "Content-type: text/' .$content_type . '; phpgw-type=".$msgtype."\n";
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// }
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$header .= 'Content-Disposition: inline'."\n"
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. 'Content-transfer-encoding: 7BIT'."\n\n"
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. $body;
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$body = "";
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}
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else
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{
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$header .= 'Subject: '.stripslashes($subject)."\n"
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. 'MIME-version: 1.0'."\n"
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. 'Content-type: text/' .$content_type . '; charset="'.$this->charset.'"'."\n";
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if (!empty($msgtype))
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{
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$header .= 'Content-type: text/' .$content_type . '; phpgw-type='.$msgtype."\n";
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}
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$header .= 'Content-Disposition: inline'."\n"
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. 'Content-description: Mail message body'."\n";
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}
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if ($GLOBALS['phpgw_info']['user']['preferences']['email']['mail_server_type'] == 'imap' && $GLOBALS['phpgw_info']['user']['apps']['email'] &&
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$GLOBALS['phpgw_info']['user']['preferences']['email']['use_sent_folder'])
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{
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if(!is_object($GLOBALS['phpgw']->msg))
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{
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$GLOBALS['phpgw']->msg = CreateObject('email.mail_msg');
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}
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$args_array = Array();
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$args_array['do_login'] = True;
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$args_array['folder'] = $GLOBALS['phpgw_info']['user']['preferences']['email']['sent_folder_name'];
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$GLOBALS['phpgw']->msg->begin_request($args_array);
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$GLOBALS['phpgw']->msg->phpgw_append('Sent', $header."\n".$body, "\\Seen");
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$GLOBALS['phpgw']->msg->end_request();
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}
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if (strlen($cc)>1)
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{
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$to .= ','.$cc;
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}
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if (strlen($bcc)>1)
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{
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$to .= ','.$bcc;
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}
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$returnccode = $this->smail($to, '', $body, $header);
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return $returnccode;
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}
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elseif ($type == 'nntp')
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{
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// nothing is here?
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}
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}
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// ==================================================[ some sub-functions ]===
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/*!
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@function encode_subject
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@abstract encode 8-bit chars in subject-line
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@author ralfbecker
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@note the quoted subjects get a header stateing the charset (eg. "=?iso-8859-1?Q?"), the \
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8-bit chars as '=XX' (XX is the hex-representation of the char) and a trainling '?='.
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*/
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function encode_subject($subject)
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{
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// remove unnecessary CR's as some mail-scanners complain about them
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$subject = str_replace("\r",'',$subject);
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$enc_start = $enc_end = 0;
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$words = explode(' ',$subject);
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foreach($words as $w => $word)
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{
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$str = '';
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for ($i = 0; $i < strlen($word); ++$i)
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{
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if (($n = ord($word[$i])) > 127 || $word[$i] == '=') {
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$str .= sprintf('=%0X',$n);
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if (!$enc_start)
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{
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$enc_start = $w+1;
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}
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$enc_end = $w+1;
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}
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else
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{
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$str .= $word[$i];
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}
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}
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$strs[] = $str;
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//echo "word='$word', start=$enc_start, end=$enc_end, encoded='$str'<br>\n";
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}
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if (!$enc_start)
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{
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return $subject;
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}
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$str = '';
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foreach ($strs as $w => $s)
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{
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$str .= $str != '' ? ' ' : '';
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if ($enc_start == $w+1) // first word to encode
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{
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$str .= '=?'.$this->charset.'?Q?';
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}
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$str .= $w+1 > $enc_end ? str_replace('=3D','=',$s) : $s;
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if ($enc_end == $w+1) // last word to encode
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{
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$str .= '?=';
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}
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}
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//echo "<p>send::encode_subject('$subject')='$str'</p>\n";
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return $str;
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}
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function socket2msg($socket)
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{
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$followme = '-';
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$this->err['msg'] = '';
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do
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{
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$rmsg = fgets($socket,255);
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// echo "< $rmsg<BR>\n";
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$this->err['code'] = substr($rmsg,0,3);
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$followme = substr($rmsg,3,1);
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$this->err['msg'] = substr($rmsg,4);
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if (substr($this->err["code"],0,1) != 2 && substr($this->err["code"],0,1) != 3)
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{
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$rc = fclose($socket);
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return False;
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}
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if ($followme = ' ')
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{
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break;
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}
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}
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while ($followme = '-');
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return True;
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}
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function msg2socket($socket,$message)
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{
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// send single line\n
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// echo "raw> $message<BR>\n";
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// echo "hex> ".bin2hex($message)."<BR>\n";
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$rc = fputs($socket,"$message");
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if (!$rc)
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{
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$this->err['code'] = '420';
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$this->err['msg'] = 'lost connection';
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$this->err['desc'] = 'Lost connection to smtp server.';
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$rc = fclose($socket);
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return False;
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}
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return True;
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}
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function put2socket($socket,$message)
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{
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// check for multiple lines 1st
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$pos = strpos($message,"\n");
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if (!is_int($pos))
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{
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// no new line found
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$message .= "\r\n";
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$this->msg2socket($socket,$message);
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}
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else
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{
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// multiple lines, we have to split it
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do
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{
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$msglen = $pos + 1;
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$msg = substr($message,0,$msglen);
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$message = substr($message,$msglen);
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$pos = strpos($msg,"\r\n");
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if (!is_int($pos))
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{
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// line not terminated
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$msg = chop($msg)."\r\n";
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}
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$pos = strpos($msg,'.'); // escape leading periods
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if (is_int($pos) && !$pos)
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{
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$msg = '.' . $msg;
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}
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if (!$this->msg2socket($socket,$msg))
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{
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return False;
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}
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$pos = strpos($message,"\n");
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}
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while (strlen($message)>0);
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}
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return True;
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}
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function check_header($subject,$header)
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{
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// check if header contains subject and is correctly terminated
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$header = chop($header);
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$header .= "\n";
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if (is_string($subject) && !$subject)
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{
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// no subject specified
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return $header;
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}
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$theader = strtolower($header);
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$pos = strpos($theader,"\nsubject:");
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if (is_int($pos))
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{
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// found after a new line
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return $header;
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}
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$pos = strpos($theader,'subject:');
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if (is_int($pos) && !$pos)
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{
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// found at start
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return $header;
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}
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$pos = substr($subject,"\n");
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if (!is_int($pos))
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{
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$subject .= "\n";
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}
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$subject = 'Subject: ' .$subject;
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$header .= $subject;
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return $header;
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}
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function sig_html_to_text($sig)
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{
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// convert HTML chars for ' and " in the email sig to normal text
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$sig_clean = $sig;
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$sig_clean = ereg_replace('"', '"', $sig_clean);
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$sig_clean = ereg_replace(''', '\'', $sig_clean);
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return $sig_clean;
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}
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// ==============================================[ main function: smail() ]===
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function smail($to,$subject,$message,$header)
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{
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$fromuser = $GLOBALS['phpgw_info']['user']['preferences']['email']['address'];
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$mymachine = $GLOBALS['phpgw_info']['server']['hostname'];
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// error code and message of failed connection
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$errcode = '';
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$errmsg = '';
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// timeout in secs
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$timeout = 5;
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// now we try to open the socket and check, if any smtp server responds
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$smtp_port = $GLOBALS['phpgw_info']['server']['smtp_port'] ? $GLOBALS['phpgw_info']['server']['smtp_port'] : 25;
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$socket = fsockopen($GLOBALS['phpgw_info']['server']['smtp_server'],$smtp_port,$errcode,$errmsg,$timeout);
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if (!$socket)
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{
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$this->err['code'] = '420';
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$this->err['msg'] = $errcode . ':' . $errmsg;
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$this->err['desc'] = 'Connection to '.$GLOBALS['phpgw_info']['server']['smtp_server'].':'.$GLOBALS['phpgw_info']['server']['smtp_port'].' failed - could not open socket.';
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return False;
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}
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else
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{
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$rrc = $this->socket2msg($socket);
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}
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// now we can send our message. 1st we identify ourselves and the sender
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$cmds = array (
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"\$src = \$this->msg2socket(\$socket,\"HELO \$mymachine\r\n\");",
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"\$rrc = \$this->socket2msg(\$socket);",
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"\$src = \$this->msg2socket(\$socket,\"MAIL FROM:<\$fromuser>\r\n\");",
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"\$rrc = \$this->socket2msg(\$socket);"
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);
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for ($src=True,$rrc=True,$i=0; $i<count($cmds);$i++)
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{
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eval ($cmds[$i]);
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if (!$src || !$rrc)
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{
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return False;
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}
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}
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// now we've got to evaluate the $to's
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$toaddr = explode(",",$to);
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$numaddr = count($toaddr);
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for ($i=0; $i<$numaddr; $i++)
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{
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$src = $this->msg2socket($socket,'RCPT TO:<'.$toaddr[$i].">\r\n");
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$rrc = $this->socket2msg($socket);
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// for lateron validation
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$this->to_res[$i]['addr'] = $toaddr[$i];
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$this->to_res[$i]['code'] = $this->err['code'];
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$this->to_res[$i]['msg'] = $this->err['msg'];
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$this->to_res[$i]['desc'] = $this->err['desc'];
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}
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//now we have to make sure that at least one $to-address was accepted
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$stop = 1;
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for ($i=0;$i<count($this->to_res);$i++)
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{
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$rc = substr($this->to_res[$i]['code'],0,1);
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if ($rc == 2)
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{
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// at least to this address we can deliver
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$stop = 0;
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}
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}
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if ($stop)
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{
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// no address found we can deliver to
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return False;
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}
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// now we can go to deliver the message!
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if (!$this->msg2socket($socket,"DATA\r\n"))
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{
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return False;
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}
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if (!$this->socket2msg($socket))
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{
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return False;
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}
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if ($header != "")
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{
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$header = $this->check_header($subject,$header);
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if (!$this->put2socket($socket,$header))
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{
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return False;
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}
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if (!$this->put2socket($socket,"\r\n"))
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{
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return False;
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}
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}
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$message = chop($message);
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$message .= "\n";
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if (!$this->put2socket($socket,$message))
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{
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return False;
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}
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if (!$this->msg2socket($socket,".\r\n"))
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{
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return False;
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}
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if (!$this->socket2msg($socket))
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{
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return False;
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}
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if (!$this->msg2socket($socket,"QUIT\r\n"))
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{
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return False;
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}
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do
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{
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$closing = $this->socket2msg($socket);
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}
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while ($closing);
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return True;
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}
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} /* end of class */
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