一般发系统通知之类的邮件，这个版本就足够.
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, 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 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: _from . >\r\n, 250);
$header = from: _from . >\r\n;
//设置收件人
$command[] = array(rcpt to: _to . >\r\n, 250);
$header .= to: _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:' . $code . '
';
//发送命令给服务器
try{
if(socket_write($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();
}
}
/**
* 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, xxx@xxx, xxx);
$mail->setfrom(xxx@xx);
$mail->setreceiver(xxx@xx);
$mail->setmailinfo(test, test);
$mail->sendmail();
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