448 lines
17 KiB
PHP
448 lines
17 KiB
PHP
<?php
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/*******************************************************************************
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* WireMailSmtp | hnsmtp
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*
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* @version - '0.6.0'
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* @date - 2021/04/15
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* @author - Horst Nogajski
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* @licence - GNU GPL v2 - http://www.gnu.org/licenses/gpl-2.0.html
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* @licence - MIT - https://processwire.com/about/license/mit/
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********************************************************************************/
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require_once( dirname(__FILE__) . '/smtp_classes/email_message.php' );
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require_once( dirname(__FILE__) . '/smtp_classes/smtp_message.php' );
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require_once( dirname(__FILE__) . '/smtp_classes/smtp.php' );
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require_once( dirname(__FILE__) . '/smtp_classes/sasl.php' );
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class hnsmtp {
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private $default_charset = 'UTF-8';
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private $smtp_host = ''; /* SMTP server host name */
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private $smtp_port = 25; /* SMTP server host port,
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usually 25 but for use with SSL or TLS 587 */
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private $smtp_ssl = 0; /* Establish secure connections using SSL */
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private $smtp_ssl_crypto_method = ''; /* Define the crypto method to use with SSL */
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private $smtp_start_tls = 0; /* Establish secure connections using START_TLS */
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private $smtp_tls_crypto_method = ''; /* Define the crypto method to use with TLS */
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private $localhost = ''; /* this computers address */
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private $realm = ''; /* Authentication realm or domain */
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private $workstation = ''; /* Workstation for NTLM authentication */
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private $authentication_mechanism = ''; /* SASL authentication mechanism */
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private $allow_without_authentication = 0; /* Server allows connection without authentication */
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private $smtp_user = ''; /* Authentication user name */
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private $smtp_password = ''; /* Authentication password */
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private $smtp_debug = 0; /* Output debug information */
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private $smtp_html_debug = 0; /* Debug information is in HTML */
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private $sender_name = ''; // From: the senders name
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private $sender_email = ''; // From: the senders email address
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private $sender_reply = ''; // Reply-To: optional email address
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private $sender_errors_to = ''; // Errors-To: optional email address
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private $sender_signature = ''; // a Signature Text, like Contact Data and / or Confidentiality Notices
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private $sender_signature_html = ''; // a Signature Text in HTML, like Contact Data and / or Confidentiality Notices
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private $send_sender_signature = 1; // when the signature should be send: with every mail | only when the default Email is the sender | only when explicitly called via the API
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private $extra_headers = array(); // optional Custom-Meta-Headers
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private $valid_recipients = array(); /* SenderEmailAddresses wich are allowed to
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receive Messages */
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private $smtp_certificate = false; // @flydev: https://processwire.com/talk/topic/5704-wiremailsmtp/page-5#entry113290
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private $aValidVars = null;
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private $emailMessage = null;
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private $connected = null;
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private $errors = array();
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private $from = '';
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private $fromName = '';
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public function testConnection($debug = false) {
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$res = $this->connect($debug);
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$this->close();
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return $res;
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}
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public function connect($debug = false) {
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$this->connected = (($this->errors[] = $this->emailMessage->StartSendingMessage()) == '') ? true : false;
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return $this->connected;
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}
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public function close() {
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if(!isset($this->emailMessage)) {
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return null;
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}
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$res = $this->emailMessage->ResetConnection('') == '' ? true : false;
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$this->connected = false;
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return $res;
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}
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public function getErrors() {
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$a = array();
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foreach( $this->errors as $e ) {
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if($e=='') {
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continue;
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}
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$a[] = $e;
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}
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$this->errors = $a;
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return $this->errors;
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}
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protected function set_var_val( $k, $v ) {
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if(!isset($this->aValidVars[$k])) {
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return;
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}
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switch($k) {
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case 'send_sender_signature':
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case 'smtp_port':
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$this->$k = intval($v);
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break;
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case 'smtp_certificate':
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case 'smtp_ssl':
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case 'smtp_start_tls':
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case 'smtp_debug':
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case 'smtp_html_debug':
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case 'allow_without_authentication':
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if(is_bool($v)) {
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$this->$k = $v==true ? 1 : 0;
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}
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elseif(is_int($v)) {
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$this->$k = $v==1 ? 1 : 0;
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}
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elseif(is_string($v) && in_array($v, array('1','on','On','ON','true','TRUE'))) {
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$this->$k = 1;
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}
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elseif(is_string($v) && in_array($v, array('0','off','Off','OFF','false','FALSE'))) {
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$this->$k = 0;
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}
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else {
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$this->$k = 0;
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}
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break;
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case 'smtp_tls_crypto_method':
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$availableTLSmethods = WireMailSmtp::getCryptoMethodsTLS();
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if(is_string($v) && isset($v, $availableTLSmethods)) {
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$this->$k = $v;
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}
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break;
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case 'smtp_ssl_crypto_method':
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$availableSSLmethods = WireMailSmtp::getCryptoMethodsSSL();
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if(is_string($v) && isset($v, $availableSSLmethods)) {
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$this->$k = $v;
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}
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break;
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case 'authentication_mechanism':
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$this->authentication_mechanism = $v;
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break;
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case 'valid_recipients':
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case 'extra_headers';
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$this->$k = is_array($v) || is_string($v) ? (array)$v : array();
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break;
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default:
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if(in_array($k, array('smtp_host', 'smtp_user', 'smtp_password',
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'localhost', 'workstation', 'realm',
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'sender_name', 'sender_email', 'sender_reply',
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'sender_errors_to', 'sender_signature', 'sender_signature_html',
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'default_charset'
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))
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) {
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$this->$k = strval($v);
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}
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}
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}
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public function __construct($aConfig = null) {
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if(!is_array($aConfig)) {
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return;
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}
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$this->aValidVars = get_class_vars(__CLASS__);
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foreach($aConfig as $k => $v) {
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$this->set_var_val($k, $v);
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}
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foreach($this->valid_recipients as $k=>$v) {
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$this->valid_recipients[$k] = str_replace(array('<','>'), '', strtolower(trim($v)));
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}
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// start SMTP-Mail
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$this->emailMessage = new smtp_message_class();
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// SMTP Server Authentication
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$this->emailMessage->default_charset = $this->default_charset;
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$this->emailMessage->localhost = $this->localhost;
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$this->emailMessage->smtp_host = $this->smtp_host;
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$this->emailMessage->smtp_port = $this->smtp_port;
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$this->emailMessage->smtp_ssl = $this->smtp_ssl;
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$this->emailMessage->smtp_ssl_crypto_method = $this->smtp_ssl_crypto_method;
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$this->emailMessage->smtp_start_tls = $this->smtp_start_tls;
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$this->emailMessage->smtp_tls_crypto_method = $this->smtp_tls_crypto_method;
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$this->emailMessage->smtp_user = $this->smtp_user;
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$this->emailMessage->smtp_password = $this->smtp_password;
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$this->emailMessage->allow_without_authentication = $this->allow_without_authentication;
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$this->emailMessage->smtp_certificate = $this->smtp_certificate;
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// advanced SMTP Server Settings
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$this->emailMessage->realm = $this->realm;
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$this->emailMessage->workstation = $this->workstation;
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$this->emailMessage->authentication_mechanism = $this->authentication_mechanism;
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// Debug on / off
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$this->emailMessage->smtp_debug = $this->smtp_debug;
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$this->emailMessage->smtp_html_debug = $this->smtp_html_debug;
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}
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public function __destruct() {
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if( $this->connected ) {
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$this->close();
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}
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unset($this->emailMessage);
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}
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protected function logError($msg) {
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if(!isset($this->module)) $this->module = wire('modules')->get('WireMailSmtp');
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$this->module->logError($msg);
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}
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protected function logActivity($msg) {
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if(!isset($this->module)) $this->module = wire('modules')->get('WireMailSmtp');
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$this->module->logActivity($msg);
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}
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public function setSender($from='', $fromName='') {
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$genericEmail = isset($this->localhost) ? 'processwire@' . $this->localhost : false;
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$sender = strlen($from)>0 ? $from : $this->sender_email;
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if(empty($sender) && false!==$genericEmail) {
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$sender = $genericEmail; // fallback to a generic email address
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}
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$this->isValidEmailadress($sender); // if it is not a valid Emailaddress a Error is thrown
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$senderName = strlen($fromName)>0 ? $fromName : $this->sender_name;
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$this->from = $sender;
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$this->fromName = $senderName;
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if($sender==$this->sender_email) {
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// we use the defaults from module config
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$replyTo = isset($this->sender_reply) && strlen($this->sender_reply)>0 ? $this->sender_reply : $this->sender_email;
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$errorsTo = isset($this->sender_errors_to) && strlen($this->sender_errors_to)>0 ? $this->sender_errors_to : $this->sender_email;
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}
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else {
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$replyTo = $genericEmail!=$sender ? $sender : ''; // we don't want get replys to the generic emailaddress
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$errorsTo = '';
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}
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$this->setEmailHeader('from', $sender, $senderName);
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if(''!=$replyTo) $this->setEmailHeader('reply', $replyTo);
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if(''!=$errorsTo) $this->setEmailHeader('errors', $errorsTo);
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}
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public function setCustomHeader($header) {
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$extra_headers = (isset($this->extra_headers) && is_array($this->extra_headers) && 0<count($this->extra_headers)) ? $this->extra_headers : array();
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$headers = array_merge($extra_headers, $header);
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foreach($headers as $k=>$v) {
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$this->setHeader($k, $v);
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}
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}
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public function setTextBody($text, $addSignature, $wrapText, &$maildata) {
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if($addSignature===true && isset($this->sender_signature) && is_string($this->sender_signature) && strlen(trim($this->sender_signature))>0) {
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$text .= "\r\n\r\n" . $this->sender_signature;
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}
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$text = $wrapText ? $this->emailMessage->WrapText($text) : (string)$text;
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$maildata = $text;
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$ret = $this->emailMessage->AddQuotedPrintableTextPart($text);
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if($ret=='') {
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return true;
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}
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$this->logError('Error in '.__CLASS__.'::'.__FUNCTION__.' : ' . $ret);
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return false;
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}
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public function setTextAndHtmlBody($text, $html, $addSignature, $wrapText, &$maildata1, &$maildata2) {
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if($addSignature===true && isset($this->sender_signature) && is_string($this->sender_signature) && strlen(trim($this->sender_signature))>0) {
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$text .= "\r\n\r\n--\r\n" . $this->sender_signature;
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}
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if($addSignature===true && isset($this->sender_signature_html) && is_string($this->sender_signature_html) && strlen(trim($this->sender_signature_html))>0) {
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// we first need to check if there is a </body> end tag in the html-markup
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if(preg_match('</body>', $html)) {
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$html = str_replace("</body>", "\r\n\r\n" . $this->sender_signature_html . "\r\n</body>", $html);
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} else {
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$html .= "\r\n\r\n" . $this->sender_signature_html . "\r\n";
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}
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}
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$maildata1 = $text = $wrapText ? $this->emailMessage->WrapText($text) : (string)$text;
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$maildata2 = $html = $wrapText ? $this->emailMessage->WrapText($html) : (string)$html;
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// create Alternative-Multipart
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$html_part = $text_part = $alternative_part = 0;
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$this->emailMessage->CreateQuotedPrintableTextPart($text, 'UTF-8', $text_part);
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$this->emailMessage->CreateQuotedPrintableHTMLPart($html, 'UTF-8', $html_part);
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$alternative_parts = array( $text_part, $html_part );
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#$this->emailMessage->CreateAlternativeMultipart($alternative_parts, $alternative_part);
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$ret = $this->emailMessage->AddAlternativeMultipart($alternative_parts);
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if($ret=='') {
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return true;
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}
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$this->logError('Error in '.__CLASS__.'::'.__FUNCTION__.' : ' . $ret);
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return false;
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}
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public function addAttachment($attachment) {
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$ret = $this->emailMessage->AddFilePart($attachment);
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if($ret=='') {
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return true;
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}
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$this->logError('Error in '.__CLASS__.'::'.__FUNCTION__.' : ' . $ret);
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return false;
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}
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public function setNotification(&$maildata) {
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if(!isset($this->from) || strlen(trim($this->from))==0) {
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return false;
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}
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$email = $this->bundleEmailAndName($this->from, $this->fromName);
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$maildata = $email;
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return $this->setHeader('Disposition-Notification-To', $email);
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}
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public function setPriority($priority=3) {
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$priority = intval($priority);
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if(!in_array($priority, array(1, 2, 3, 4, 5))) {
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$this->logError('Error in '.__CLASS__.'::'.__FUNCTION__.' : ' . "($priority)");
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return false;
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}
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$priorities = array(
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5 => array('5 (Lowest)', 'Low', 'Low'),
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4 => array('4 (Low)', 'Low', 'Low'),
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3 => array('3 (Normal)', 'Normal', 'Normal'),
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2 => array('2 (High)', 'High', 'High'),
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1 => array('1 (Highest)', 'High', 'High')
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);
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$ret = 0;
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$ret += $this->setHeader('X-Priority', $priorities[$priority][0]) ? 1 : 0;
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$ret += $this->setHeader('X-MSMail-Priority', $priorities[$priority][1]) ? 1 : 0;
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$ret += $this->setHeader('Importance', $priorities[$priority][2]) ? 1 : 0;
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return 3==$ret ? true : false;
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}
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public function send($debugServer=false, $htmlDebug=false, &$maildata='') {
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if($debugServer) $this->emailMessage->smtp_debug = 1;
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if($htmlDebug) $this->emailMessage->smtp_html_debug = 1;
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if(!$this->connect()) {
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$this->logError('Error in '.__CLASS__.'::'.__FUNCTION__.' : cannot connect to smtp-server!');
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return false;
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}
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$this->emailMessage->SetHeader("Date", gmdate("D, j M Y H:i:s \G\M\T"));
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$ret = $this->emailMessage->Send();
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if($ret=='') {
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$maildata = 'success';
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return true;
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}
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$this->logError('Error in '.__CLASS__.'::'.__FUNCTION__.' : ' . $ret);
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$maildata = (string)$ret;
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return false;
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}
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public function setEmailHeader($type, $address, $name='') {
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$address = str_replace(array('<','>'), '', $address);
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if(!$this->isValidEmailadress($address)) {
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$this->logError('Error in '.__CLASS__.'::'.__FUNCTION__.' : No valid E-mailadress: '.$address);
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return false;
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}
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$type = strtolower($type);
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$valid_types = array('to'=>'To','from'=>'From','cc'=>'CC','bcc'=>'BCC','reply-to'=>'Reply-To','reply'=>'Reply-To','errors-to'=>'Errors-To','errors'=>'Errors-To','error'=>'Errors-To');
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if(!in_array($type,array_keys($valid_types))) {
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$this->logError('Error in '.__CLASS__.'::'.__FUNCTION__.' : No valid Headertype: '.$type);
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return false;
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}
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if(strpos($type,'reply')!==false) {
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$this->emailMessage->SetHeader('Return-Path',$address);
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}
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$ret = $this->emailMessage->SetEncodedEmailHeader($valid_types[$type], $address, $name);
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if($ret!='') {
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$this->logError('Error in '.__CLASS__.'::'.__FUNCTION__.' : ' . $ret);
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return false;
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}
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return true;
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}
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public function setHeader($headername,$content) {
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$ret = $this->emailMessage->SetEncodedHeader($headername,$content);
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if($ret!='') {
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$this->logError('Error in '.__CLASS__.'::'.__FUNCTION__.' : ' . $ret);
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return false;
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}
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return true;
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}
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public function isValidEmailadress($email) {
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$email = strtolower(trim($email));
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$clean = wire('sanitizer')->email($email);
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if($email != $clean) throw new WireException("Invalid email address");
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return true;
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}
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protected function bundleEmailAndName($email, $name) {
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$email = strtolower(trim($email));
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$clean = wire('sanitizer')->email($email);
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if(!strlen($name)) return $email;
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$name = wire('sanitizer')->emailHeader($name);
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if(strpos($name, ',') !== false) {
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// name contains a comma, so quote the value
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$name = str_replace('"', '', $name); // remove existing quotes
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$name = '"' . $name . '"'; // surround w/quotes
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}
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return "$name <$email>";
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}
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public function setBulkMail($bulk) {
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return $this->emailMessage->setBulkMail($bulk);
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}
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} // END class hnsmtp
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