setserver(smtp@126.com, xxxxx@126.com, xxxxx); //设置smtp服务器，普通连接方式
* $mail->setserver(smtp.gmail.com, xxxxx@gmail.com, xxxxx, 465, true); //设置smtp服务器，到服务器的ssl连接
* $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->addattachment(xxxx); //添加附件，多个附件，调用多次
* $mail->setmail(test, test); //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 protected
*/
protected $_username;
/**
* @var string 邮件传输代理密码
* @access protected
*/
protected $_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;
/**
* @var string 发件人
* @access protected
*/
protected $_from;
/**
* @var array 收件人
* @access protected
*/
protected $_to = array();
/**
* @var array 抄送
* @access protected
*/
protected $_cc = array();
/**
* @var array 秘密抄送
* @access protected
*/
protected $_bcc = array();
/**
* @var string 主题
* @access protected
*/
protected $_subject;
/**
* @var string 邮件正文
* @access protected
*/
protected $_body;
/**
* @var array 附件
* @access protected
*/
protected $_attachment = array();
/**
* @var reource socket资源
* @access protected
*/
protected $_socket;
/**
* @var reource 是否是安全连接
* @access protected
*/
protected $_issecurity;
/**
* @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
* @param boolean $issecurity 到服务器的连接是否为安全连接，默认false
* @return boolean
*/
public function setserver($server, $username=, $password=, $port=25, $issecurity=false) {
$this->_sendserver = $server;
$this->_port = $port;
$this->_issecurity = $issecurity;
$this->_username = empty($username) ? : base64_encode($username);
$this->_password = empty($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，调用多次.
* @access public
* @param string $to 收件人地址
* @return boolean
*/
public function setreceiver($to) {
$this->_to[] = $to;
return true;
}
/**
* 设置抄送，多个抄送，调用多次.
* @access public
* @param string $cc 抄送地址
* @return boolean
*/
public function setcc($cc) {
$this->_cc[] = $cc;
return true;
}
/**
* 设置秘密抄送，多个秘密抄送，调用多次
* @access public
* @param string $bcc 秘密抄送地址
* @return boolean
*/
public function setbcc($bcc) {
$this->_bcc[] = $bcc;
return true;
}
/**
* 设置邮件附件，多个附件，调用多次
* @access public
* @param string $file 文件地址
* @return boolean
*/
public function addattachment($file) {
if(!file_exists($file)) {
$this->_errormessage = file . $file . does not exist.;
return false;
}
$this->_attachment[] = $file;
return true;
}
/**
* 设置邮件信息
* @access public
* @param string $body 邮件主题
* @param string $subject 邮件主体内容，可以是纯文本，也可是是html文本
* @return boolean
*/
public function setmail($subject, $body) {
$this->_subject = base64_encode($subject);
$this->_body = base64_encode($body);
return true;
}
/**
* 发送邮件
* @access public
* @return boolean
*/
public function sendmail() {
$command = $this->getcommand();
$this->_issecurity ? $this->socketsecurity() : $this->socket();
foreach ($command as $value) {
$result = $this->_issecurity ? $this->sendcommandsecurity($value[0], $value[1]) : $this->sendcommand($value[0], $value[1]);
if($result) {
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->_issecurity ? $this->closesecutity() : $this->close();
return true;
}
/**
* 返回错误信息
* @return string
*/
public function error(){
if(!isset($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: _from . >\r\n, 250);
$header = from: _from . >\r\n;
//设置收件人
if(!empty($this->_to)) {
$count = count($this->_to);
if($count == 1){
$command[] = array(rcpt to: _to[0] . >\r\n, 250);
$header .= to: _to[0] .>\r\n;
}
else{
for($i=0; $i\r\n, 250);
if($i == 0){
$header .= to: _to[$i] .>;
}
elseif($i + 1 == $count){
$header .= ,_to[$i] .>\r\n;
}
else{
$header .= ,_to[$i] .>;
}
}
}
}
//设置抄送
if(!empty($this->_cc)) {
$count = count($this->_cc);
if($count == 1){
$command[] = array(rcpt to: _cc[0] . >\r\n, 250);
$header .= cc: _cc[0] .>\r\n;
}
else{
for($i=0; $i\r\n, 250);
if($i == 0){
$header .= cc: _cc[$i] .>;
}
elseif($i + 1 == $count){
$header .= ,_cc[$i] .>\r\n;
}
else{
$header .= ,_cc[$i] .>;
}
}
}
}
//设置秘密抄送
if(!empty($this->_bcc)) {
$count = count($this->_bcc);
if($count == 1) {
$command[] = array(rcpt to: _bcc[0] . >\r\n, 250);
$header .= bcc: _bcc[0] .>\r\n;
}
else{
for($i=0; $i\r\n, 250);
if($i == 0){
$header .= bcc: _bcc[$i] .>;
}
elseif($i + 1 == $count){
$header .= ,_bcc[$i] .>\r\n;
}
else{
$header .= ,_bcc[$i] .>;
}
}
}
}
//主题
$header .= subject: =?utf-8?b? . $this->_subject .?=\r\n;
if(isset($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,且包含的图片在邮件内部时声明成这个，如果是引用的远程图片，就不需要了
$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;
//这里开始是邮件的body部分，body部分分成几段发送
$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 .= -- . $separator . \r\n;
//加入附件
if(!empty($this->_attachment)){
$count = count($this->_attachment);
for($i=0; $igetmimetype($this->_attachment[$i]) . '; name==?utf-8?b?' . base64_encode( basename($this->_attachment[$i]) ) . '?=' . \r\n;
$header .= content-transfer-encoding: base64\r\n;
$header .= 'content-disposition: attachment; filename==?utf-8?b?' . base64_encode( basename($this->_attachment[$i]) ) . '?=' . \r\n;
$header .= \r\n;
$header .= $this->readfile($this->_attachment[$i]);
$header .= \r\n-- . $separator . \r\n;
}
}
//结束邮件数据发送
$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:' . $code . '
';
//发送命令给服务器
try{
if(socket_write($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:' . $data . '
';
if($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();
}
}
/**
* 安全连接发送命令
* @access protected
* @param string $command 发送到服务器的smtp命令
* @param int $code 期望服务器返回的响应吗
* @return boolean
*/
protected function sendcommandsecurity($command, $code) {
echo 'send command:' . $command . ',expected code:' . $code . '
';
try {
if(fwrite($this->_socket, $command)){
//当邮件内容分多次发送时，没有$code，服务器没有返回
if(empty($code)) {
return true;
}
//读取服务器返回
$data = trim(fread($this->_socket, 1024));
echo 'response:' . $data . '
';
if($data) {
$pattern = /^.$code.+?/;
if(preg_match($pattern, $data)) {
return true;
}
else{
$this->_errormessage = error: . $data . |**| command:;
return false;
}
}
else{
return false;
}
}
else{
$this->_errormessage = error: . $command . send failed;
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
* @param string $file 文件
* @return mixed
*/
protected function readfile($file) {
if(file_exists($file)) {
$file_obj = file_get_contents($file);
return base64_encode($file_obj);
}
else {
$this->_errormessage = file . $file . dose not exist;
return false;
}
}
/**
* 获取附件mime类型
* @access protected
* @param string $file 文件
* @return mixed
*/
protected function getmimetype($file) {
if(file_exists($file)) {
$mime = mime_content_type($file);
/*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 protected
* @return boolean
*/
protected function socket() {
//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;
}
$str = socket_read($this->_socket, 1024);
if(!preg_match(/220+?/, $str)){
$this->_errormessage = $str;
return false;
}
return true;
}
/**
* 建立到服务器的ssl网络连接
* @access protected
* @return boolean
*/
protected function socketsecurity() {
$remoteaddr = tcp:// . $this->_sendserver . : . $this->_port;
$this->_socket = stream_socket_client($remoteaddr, $errno, $errstr, 30);
if(!$this->_socket){
$this->_errormessage = $errstr;
return false;
}
//设置加密连接，默认是ssl，如果需要tls连接，可以查看php手册stream_socket_enable_crypto函数的解释
stream_socket_enable_crypto($this->_socket, true, stream_crypto_method_sslv23_client);
stream_set_blocking($this->_socket, 1); //设置阻塞模式
$str = fread($this->_socket, 1024);
if(!preg_match(/220+?/, $str)){
$this->_errormessage = $str;
return false;
}
return true;
}
/**
* 关闭socket
* @access protected
* @return boolean
*/
protected function close() {
if(isset($this->_socket) && is_object($this->_socket)) {
$this->_socket->close();
return true;
}
$this->_errormessage = no resource can to be close;
return false;
}
/**
* 关闭安全socket
* @access protected
* @return boolean
*/
protected function closesecutity() {
if(isset($this->_socket) && is_object($this->_socket)) {
stream_socket_shutdown($this->_socket, stream_shut_wr);
return true;
}
$this->_errormessage = no resource can to be close;
return false;
}
}
