PHP 邮件发送类

mail.php


<?php
/**
* 邮件发送类
* 支持发送纯文本邮件和HTML格式的邮件,可以多收件人,多抄送,多秘密抄送,带附件的邮件
* 需要的php扩展,sockets和Fileinfo。
* @example
* $mail = new MySendMail();
* $mail->setServer("XXXXX", "XXXXX@XXXXX", "XXXXX"); 设置smtp服务器
* $mail->setFrom("XXXXX"); 设置发件人
* $mail->setReceiver("XXXXX"); 设置收件人,多个收件人,调用多次
* $mail->setCc("XXXX"); 设置抄送,多个抄送,调用多次
* $mail->setBcc("XXXXX"); 设置秘密抄送,多个秘密抄送,调用多次
* $mail->setMailInfo("test", "<b>test</b>"); 设置邮件主题、内容
* $mail->sendMail(); 发送
*/
class MySendMail {
  /**
        * @var string 邮件传输代理用户名
        * @access private
        */
        private $_userName;

        /**
        * @var string 邮件传输代理密码
        * @access private
        */
        private $_password;

        /**
        * @var string 邮件传输代理服务器地址
        * @access protected
        */
        protected $_sendServer;

        /**
        * @var int 邮件传输代理服务器端口
        * @access protected
        */
        protected $_port=25;

        /**
        * @var string 发件人
        * @access protected
        */
        protected $_from;

        /**
        * @var string 收件人
        * @access protected
        */
        protected $_to;

        /**
        * @var string 抄送
        * @access protected
        */
        protected $_cc;

        /**
        * @var string 秘密抄送
        * @access protected
        */
        protected $_bcc;

        /**
        * @var string 主题
        * @access protected
        */
        protected $_subject;

        /**
        * @var string 邮件正文
        * @access protected
        */
        protected $_body;

        /**
        * @var string 附件
        * @access protected
        */
        protected $_attachment;

        /**
        * @var reource socket资源
        * @access protected
        */
        protected $_socket;

        /**
        * @var string 错误信息
        * @access protected
        */
        protected $_errorMessage;       /**
        * 设置邮件传输代理,如果是可以匿名发送有邮件的服务器,只需传递代理服务器地址就行
        * @access public
        * @param string $server 代理服务器的ip或者域名
        * @param string $username 认证账号
        * @param string $password 认证密码
        * @param int $port 代理服务器的端口,smtp默认25号端口
        * @return boolean
        */
        public function setServer($server, $username="", $password="", $port=25) {
                $this->_sendServer = $server;
                $this->_port = $port;
                if(!empty($username)) {
                        $this->_userName = base64_encode($username);
                }
                if(!empty($password)) {
                        $this->_password = base64_encode($password);
                }
                return true;
        }

        /**
        * 设置发件人
        * @access public
        * @param string $from 发件人地址
        * @return boolean
        */
        public function setFrom($from) {
                $this->_from = $from;
                return true;
        }

        /**
        * 设置收件人,多个收件人,连续调用多次.
        * @access public
        * @param string $to 收件人地址
        * @return boolean
        */
        public function setReceiver($to) {
                if(isset($this->_to)) {
                        if(is_string($this->_to)) {
                                $this->_to = array($this->_to);
                                $this->_to[] = $to;
                                return true;
                        }
                        elseif(is_array($this->_to)) {
                                $this->_to[] = $to;
                                return true;
                        }
                        else {
                                return false;
                        }
                }
                else {
                        $this->_to = $to;
                        return true;
                }
        }

        /**
        * 设置抄送,多个抄送,连续调用多次.
        * @access public
        * @param string $cc 抄送地址
        * @return boolean
        */
        public function setCc($cc) {
                if(isset($this->_cc)) {
                        if(is_string($this->_cc)) {
                                $this->_cc = array($this->_cc);
                                $this->_cc[] = $cc;
                                return true;
                        }
                        elseif(is_array($this->_cc)) {
                                $this->_cc[] = $cc;
                                return true;
                        }
                        else {
                                return false;
                        }
                }
                else {
                        $this->_cc = $cc;
                        return true;
                }
        }

        /**
        * 设置秘密抄送,多个秘密抄送,连续调用多次
        * @access public
        * @param string $bcc 秘密抄送地址
        * @return boolean
        */
        public function setBcc($bcc) {
                if(isset($this->_bcc)) {
                        if(is_string($this->_bcc)) {
                                $this->_bcc = array($this->_bcc);
                                $this->_bcc[] = $bcc;
                                return true;
                        }
                        elseif(is_array($this->_bcc)) {
                                $this->_bcc[] = $bcc;
                                return true;
                        }
                        else {
                                return false;
                        }
                }
                else {
                        $this->_bcc = $bcc;
                        return true;
                }
        }

        /**
        * 设置邮件信息
        * @access public
        * @param string $body 邮件主题
        * @param string $subject 邮件主体内容,可以是纯文本,也可是是HTML文本
        * @param string $attachment 附件,文件地址
        * @return boolean
        */
        public function setMailInfo($subject, $body, $attachment="") {
                $this->_subject = $subject;
                $this->_body = base64_encode($body);
                if(!empty($attachment)) {
                        $this->_attachment = $attachment;
                }
                return true;
        }

        /**
        * 发送邮件
        * @access public
        * @return boolean
        */
        public function sendMail() {
                $command = $this->getCommand();
                $this->socket();
                
                foreach ($command as $value) {
                        if($this->sendCommand($value[0], $value[1])) {
                                continue;
                        }
                        else{
                                return false;
                        }
                }
                
                //其实这里也没必要关闭,smtp命令:QUIT发出之后,服务器就关闭了连接,本地的socket资源会自动释放
                $this->close(); 
                echo 'Mail OK!';
                return true;
        }

        /**
        * 返回错误信息
        * @return string
        */
        public function error(){
                if(!isset($this->_errorMessage)) {
                        $this->_errorMessage = "";
                }
                return $this->_errorMessage;
        }

        /**
        * 返回mail命令
        * @access protected
        * @return array
        */
        protected function getCommand() {
                $command = array(
                                array("HELO sendmail\r\n", 250)
                        );
                if(!empty($this->_userName)){
                        $command[] = array("AUTH LOGIN\r\n", 334);
                        $command[] = array($this->_userName . "\r\n", 334);
                        $command[] = array($this->_password . "\r\n", 235);
                }
                $command[] = array("MAIL FROM:<" . $this->_from . ">\r\n", 250);           $separator = "----=_Part_" . md5($this->_from . time()) . uniqid(); //分隔符
                //设置发件人
                $header = "FROM: test<" . $this->_from . ">\r\n";

                //设置收件人
                if(is_array($this->_to)) {
                        $count = count($this->_to);
                        for($i=0; $i<$count; $i++){
                                $command[] = array("RCPT TO: <" . $this->_to[$i] . ">\r\n", 250);
                                if($i == 0){
                                        $header .= "TO: <" . $this->_to[$i] .">";
                                }
                                elseif($i + 1 == $count){
                                        $header .= ",<" . $this->_to[$i] .">\r\n";
                                }
                                else{
                                        $header .= ",<" . $this->_to[$i] .">";
                                }
                        }
                }
                else{
                        $command[] = array("RCPT TO: <" . $this->_to . ">\r\n", 250);
                        $header .= "TO: <" . $this->_to . ">\r\n";
                }

                //设置抄送
                if(isset($this->_cc)) {
                        if(is_array($this->_cc)) {
                                $count = count($this->_cc);
                                for($i=0; $i<$count; $i++){
                                        $command[] = array("RCPT TO: <" . $this->_cc[$i] . ">\r\n", 250);
                                        if($i == 0){
                                        $header .= "CC: <" . $this->_cc[$i] .">";
                                        }
                                        elseif($i + 1 == $count){
                                                $header .= ",<" . $this->_cc[$i] .">\r\n";
                                        }
                                        else{
                                                $header .= ",<" . $this->_cc[$i] .">";
                                        }
                                }
                        }
                        else{
                                $command[] = array("RCPT TO: <" . $this->_cc . ">\r\n", 250);
                                $header .= "CC: <" . $this->_cc . ">\r\n";
                        }
                }

                //设置秘密抄送
                if(isset($this->_bcc)) {
                        if(is_array($this->_bcc)) {
                                $count = count($this->_bcc);
                                for($i=0; $i<$count; $i++){
                                        $command[] = array("RCPT TO: <" . $this->_bcc[$i] . ">\r\n", 250);
                                        if($i == 0){
                                        $header .= "BCC: <" . $this->_bcc[$i] .">";
                                        }
                                        elseif($i + 1 == $count){
                                                $header .= ",<" . $this->_bcc[$i] .">\r\n";
                                        }
                                        else{
                                                $header .= ",<" . $this->_bcc[$i] .">";
                                        }
                                }
                        }
                        else{
                                $command[] = array("RCPT TO: <" . $this->_bcc . ">\r\n", 250);
                                $header .= "BCC: <" . $this->_bcc . ">\r\n";
                        }
                }

                $header .= "Subject: " . $this->_subject ."\r\n";
                if(isset($this->_attachment)) {
                        //含有附件的邮件头需要声明成这个
                        $header .= "Content-Type: multipart/mixed;\r\n";
                }
                elseif(false){
                        //邮件体含有图片资源的需要声明成这个
                        $header .= "Content-Type: multipart/related;\r\n";
                }
                else{
                        //html或者纯文本的邮件声明成这个
                        $header .= "Content-Type: multipart/alternative;\r\n";
                }

                //邮件头分隔符
                $header .= "\t" . 'boundary="' . $separator . '"';
                $header .= "\r\nMIME-Version: 1.0\r\n";
                $header .= "\r\n--" . $separator . "\r\n";
                $header .= "Content-Type:text/html; charset=utf-8\r\n";
                $header .= "Content-Transfer-Encoding: base64\r\n\r\n";
                $header .= $this->_body . "\r\n";
                $header .= "--" . $separator . "\r\n";

                //加入附件
                if(isset($this->_attachment)){
                        $header .= "\r\n--" . $separator . "\r\n";
                        $header .= "Content-Type: " . $this->getMIMEType() . '; name="' . basename($this->_attachment) . '"' . "\r\n";
                        $header .= "Content-Transfer-Encoding: base64\r\n";
                        $header .= 'Content-Disposition: attachment; filename="' . basename($this->_attachment) . '"' . "\r\n";
                        $header .= "\r\n";
                        $header .= $this->readFile();
                        $header .= "\r\n--" . $separator . "\r\n";
                }

                $header .= "\r\n.\r\n";         $command[] = array("DATA\r\n", 354);
                $command[] = array($header, 250);
                $command[] = array("QUIT\r\n", 221);
                
                return $command;
        }

        /**
        * 发送命令
        * @access protected
        * @param string $command 发送到服务器的smtp命令
        * @param int $code 期望服务器返回的响应吗
        * @return boolean
        */
        protected function sendCommand($command, $code) {
                echo 'Send command:' . $command . ',expected code:' . $code . '<br />';
                //发送命令给服务器
                try{
                        if(socket_write($this->_socket, $command, strlen($command))){

                                //当邮件内容分多次发送时,没有$code,服务器没有返回
                                if(empty($code))  {
                                        return true;
                                }

                                //读取服务器返回
                                $data = trim(socket_read($this->_socket, 1024));
                                echo 'response:' . $data . '<br /><br />';

                                if($data) {
                                        $pattern = "/^".$code."/";
                                        if(preg_match($pattern, $data)) {
                                                return true;
                                        }
                                        else{
                                                $this->_errorMessage = "Error:" . $data . "|**| command:";
                                                return false;
                                        }
                                }
                                else{
                                        $this->_errorMessage = "Error:" . socket_strerror(socket_last_error());
                                        return false;
                                }
                        }
                        else{
                                $this->_errorMessage = "Error:" . socket_strerror(socket_last_error());
                                return false;
                        }
                }catch(Exception $e) {
                        $this->_errorMessage = "Error:" . $e->getMessage();
                }
        }

        /**
        * 读取附件文件内容,返回base64编码后的文件内容
        * @access protected
        * @return mixed
        */
        protected function readFile() {
                if(isset($this->_attachment) && file_exists($this->_attachment)) {
                        $file = file_get_contents($this->_attachment);
                        return base64_encode($file);
                }
                else {
                        return false;
                }
        }

        /**
        * 获取附件MIME类型
        * @access protected
        * @return mixed
        */
        protected function getMIMEType() {
                if(isset($this->_attachment) && file_exists($this->_attachment)) {
                        $mime = mime_content_type($this->_attachment);
                        if(! preg_match("/gif|jpg|png|jpeg/", $mime)){
                                $mime = "application/octet-stream";
                        }
                        return $mime;
                }
                else {
                        return false;
                }
        }

        /**
        * 建立到服务器的网络连接
        * @access private
        * @return boolean
        */
        private function socket() {
                if(!function_exists("socket_create")) {
                        $this->_errorMessage = "Extension sockets must be enabled";
                        return false;
                }
                //创建socket资源
                $this->_socket = socket_create(AF_INET, SOCK_STREAM, getprotobyname('tcp'));
                
                if(!$this->_socket) {
                        $this->_errorMessage = socket_strerror(socket_last_error());
                        return false;
                }

                socket_set_block($this->_socket);//设置阻塞模式

                //连接服务器
                if(!socket_connect($this->_socket, $this->_sendServer, $this->_port)) {
                        $this->_errorMessage = socket_strerror(socket_last_error());
                        return false;
                }
                socket_read($this->_socket, 1024);
                
                return true;
        }

        /**
        * 关闭socket
        * @access private
        * @return boolean
        */
        private function close() {
                if(isset($this->_socket) && is_object($this->_socket)) {
                        $this->_socket->close();
                        return true;
                }
                $this->_errorMessage = "No resource can to be close";
                return false;
        }
}
<?php
/**
* 邮件发送类
* 仅支持发送纯文本和HTML内容邮件
* 需要的php扩展,sockets
* @example
* $mail = new MySendMail();
* $mail->setServer("XXXXX", "XXXXX@XXXXX", "XXXXX"); 设置smtp服务器
* $mail->setFrom("XXXXX"); 设置发件人
* $mail->setReceiver("XXXXX"); 设置收件人
* $mail->setMailInfo("test", "<b>test</b>"); 设置邮件主题、内容
* $mail->sendMail(); 发送
*/
class MySendMail2 {
        /**
        * @var string 邮件传输代理用户名
        * @access private
        */
        private $_userName;

        /**
        * @var string 邮件传输代理密码
        * @access private
        */
        private $_password;

        /**
        * @var string 邮件传输代理服务器地址
        * @access private
        */
        private $_sendServer;

        /**
        * @var int 邮件传输代理服务器端口
        * @access protected
        */
        protected $_port=25;

        /**
        * @var string 发件人
        * @access protected
        */
        protected $_from;

        /**
        * @var string 收件人
        * @access protected
        */
        protected $_to;

        /**
        * @var string 主题
        * @access protected
        */
        protected $_subject;

        /**
        * @var string 邮件正文
        * @access protected
        */
        protected $_body;

        /**
        * @var reource socket资源
        * @access protected
        */
        protected $_socket;

        /**
        * @var string 错误信息
        * @access protected
        */
        protected $_errorMessage;       /**
        * 设置邮件传输代理,如果是可以匿名发送有邮件的服务器,只需传递代理服务器地址就行
        * @access public
        * @param string $server 代理服务器的ip或者域名
        * @param string $username 认证账号
        * @param string $password 认证密码
        * @param int $port 代理服务器的端口,smtp默认25号端口
        * @return boolean
        */
        public function setServer($server, $username="", $password="", $port=25) {
                $this->_sendServer = $server;
                $this->_port = $port;
                if(!empty($username)) {
                        $this->_userName = base64_encode($username);
                }
                if(!empty($password)) {
                        $this->_password = base64_encode($password);
                }
                return true;
        }

        /**
        * 设置发件人
        * @access public
        * @param string $from 发件人地址
        * @return boolean
        */
        public function setFrom($from) {
                $this->_from = $from;
                return true;
        }

        /**
        * 设置收件人
        * @access public
        * @param string $to 收件人地址
        * @return boolean
        */
        public function setReceiver($to) {
                $this->_to = $to;
                return true;
        }

        /**
        * 设置邮件信息
        * @access public
        * @param string $body 邮件主题
        * @param string $subject 邮件主体内容,可以是纯文本,也可是是HTML文本
        * @return boolean
        */
        public function setMailInfo($subject, $body) {
                $this->_subject = $subject;
                $this->_body = base64_encode($body);
                if(!empty($attachment)) {
                        $this->_attachment = $attachment;
                }
                return true;
        }

        /**
        * 发送邮件
        * @access public
        * @return boolean
        */
        public function sendMail() {
                $command = $this->getCommand();
                $this->socket();
                
                foreach ($command as $value) {
                        if($this->sendCommand($value[0], $value[1])) {
                                continue;
                        }
                        else{
                                return false;
                        }
                }
                
                //其实这里也没必要关闭,smtp命令:QUIT发出之后,服务器就关闭了连接,本地的socket资源会自动释放
                $this->close(); 
                echo 'Mail OK!';
                return true;
        }

        /**
        * 返回错误信息
        * @return string
        */
        public function error(){
                if(!isset($this->_errorMessage)) {
                        $this->_errorMessage = "";
                }
                return $this->_errorMessage;
        }

        /**
        * 返回mail命令
        * @access protected
        * @return array
        */
        protected function getCommand() {
                $separator = "----=_Part_" . md5($this->_from . time()) . uniqid(); //分隔符

                $command = array(
                                array("HELO sendmail\r\n", 250)
                        );
                if(!empty($this->_userName)){
                        $command[] = array("AUTH LOGIN\r\n", 334);
                        $command[] = array($this->_userName . "\r\n", 334);
                        $command[] = array($this->_password . "\r\n", 235);
                }

                //设置发件人
                $command[] = array("MAIL FROM: <" . $this->_from . ">\r\n", 250);
                $header = "FROM: <" . $this->_from . ">\r\n";

                //设置收件人
                $command[] = array("RCPT TO: <" . $this->_to . ">\r\n", 250);
                $header .= "TO: <" . $this->_to . ">\r\n";

                $header .= "Subject: " . $this->_subject ."\r\n";
                $header .= "Content-Type: multipart/alternative;\r\n";

                //邮件头分隔符
                $header .= "\t" . 'boundary="' . $separator . '"';

                $header .= "\r\nMIME-Version: 1.0\r\n";
                $header .= "\r\n--" . $separator . "\r\n";
                $header .= "Content-Type:text/html; charset=utf-8\r\n";
                $header .= "Content-Transfer-Encoding: base64\r\n\r\n";
                $header .= $this->_body . "\r\n";
                $header .= "--" . $separator . "\r\n";

                //结束数据
                $header .= "\r\n.\r\n";         $command[] = array("DATA\r\n", 354);
                $command[] = array($header, 250);
                $command[] = array("QUIT\r\n", 221);
                
                return $command;
        }

        /**
        * 发送命令
        * @access protected
        * @param string $command 发送到服务器的smtp命令
        * @param int $code 期望服务器返回的响应吗
        * @return boolean
        */
        protected function sendCommand($command, $code) {
                echo 'Send command:' . $command . ',expected code:' . $code . '<br />';
                //发送命令给服务器
                try{
                        if(socket_write($this->_socket, $command, strlen($command))){

                                //当邮件内容分多次发送时,没有$code,服务器没有返回
                                if(empty($code))  {
                                        return true;
                                }

                                //读取服务器返回
                                $data = trim(socket_read($this->_socket, 1024));
                                echo 'response:' . $data . '<br /><br />';

                                if($data) {
                                        $pattern = "/^".$code."/";
                                        if(preg_match($pattern, $data)) {
                                                return true;
                                        }
                                        else{
                                                $this->_errorMessage = "Error:" . $data . "|**| command:";
                                                return false;
                                        }
                                }
                                else{
                                        $this->_errorMessage = "Error:" . socket_strerror(socket_last_error());
                                        return false;
                                }
                        }
                        else{
                                $this->_errorMessage = "Error:" . socket_strerror(socket_last_error());
                                return false;
                        }
                }catch(Exception $e) {
                        $this->_errorMessage = "Error:" . $e->getMessage();
                }
        }

        /**
        * 建立到服务器的网络连接
        * @access private
        * @return boolean
        */
        private function socket() {
                if(!function_exists("socket_create")) {
                        $this->_errorMessage = "Extension sockets must be enabled";
                        return false;
                }
                //创建socket资源
                $this->_socket = socket_create(AF_INET, SOCK_STREAM, getprotobyname('tcp'));
                
                if(!$this->_socket) {
                        $this->_errorMessage = socket_strerror(socket_last_error());
                        return false;
                }

                socket_set_block($this->_socket);//设置阻塞模式

                //连接服务器
                if(!socket_connect($this->_socket, $this->_sendServer, $this->_port)) {
                        $this->_errorMessage = socket_strerror(socket_last_error());
                        return false;
                }
                socket_read($this->_socket, 1024);
                
                return true;
        }

        /**
        * 关闭socket
        * @access private
        * @return boolean
        */
        private function close() {
                if(isset($this->_socket) && is_object($this->_socket)) {
                        $this->_socket->close();
                        return true;
                }
                $this->_errorMessage = "No resource can to be close";
                return false;
        }
}/**************************** Test ***********************************/
// $mail = new MySendMail();
// $mail->setServer("XXXX", "XXXXX@XXXXX", "XXXX");
// $mail->setFrom("XXXXX@XXXXX");
// $mail->setReceiver("XXXXX@XXXXX");
// $mail->setMailInfo("test", "<b>test</b>");
// $mail->sendMail();

?>