php教程|php手册
php,socket,SMTP,发送邮件,方法
php教程-php手册
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这篇文章主要介绍了php基于socket实现SMTP发送邮件的方法,实例分析了php采用socket实现smtp发送邮件的原理与技巧,具有一定参考借鉴价值,需要的朋友可以参考下
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php采用socket通过SMTP发送邮件。
用的是php的php-sockets扩展，可以发送纯文本和html格式的邮件。代码如下：
复制代码 代码如下:
<?php
/**
* 邮件发送类
* 支持发送纯文本邮件和HTML格式的邮件
* @example
* $config = array(
* “from” => “*****”,
* “to” => “***”,
* “subject” => “test”,
* “body” => “test“,
* “username” => “***”,
* “password” => “****”,
* “isHTML” => true
* );
*
* $mail = new MySendMail();
*
* $mail->setServer(“”);
*
* $mail->setMailInfo($config);
* if(!$mail->sendMail()) {
* echo $mail->error();
* return 1;
* }
*/
class MySendMail {
/**
* @var 邮件传输代理用户名
* @access private
*/
private $_userName;
/**
* @var 邮件传输代理密码
* @access private
*/
private $_password;
/**
* @var 邮件传输代理服务器地址
* @access protected
*/
protected $_sendServer;
/**
* @var 邮件传输代理服务器端口
* @access protected
*/
protected $_port=25;
/**
* @var 发件人
* @access protected
*/
protected $_from;
/**
* @var 收件人
* @access protected
*/
protected $_to;
/**
* @var 主题
* @access protected
*/
protected $_subject;
/**
* @var 邮件正文
* @access protected
*/
protected $_body;
/**
* @var 是否是HTML格式的邮件
* @access protected
*/
protected $_isHTML=false;
/**
* @var socket资源
* @access protected
*/
protected $_socket;
/**
* @var 错误信息
* @access protected
*/
protected $_errorMessage;
public function __construct($from=””, $to=””, $subject=””, $body=””, $server=””, $username=””, $password=””,$isHTML=””, $port=””) {
if(!empty($from)){
$this->_from = $from;
}
if(!empty($to)){
$this->_to = $to;
}
if(!empty($subject)){
$this->_subject = $subject;
}
if(!empty($body)){
$this->_body = $body;
}
if(!empty($isHTML)){
$this->_isHTML = $isHTML;
}
if(!empty($server)){
$this->_sendServer = $server;
}
if(!empty($port)){
$this->_port = $port;
}
if(!empty($username)){
$this->_userName = $username;
}
if(!empty($password)){
$this->_password = $password;
}
}
/**
* 设置邮件传输代理
* @param string $server 代理服务器的ip或者域名
* @param int $port 代理服务器的端口，smtp默认25号端口
* @param int $localPort 本地端口
* @return boolean
*/
public function setServer($server, $port=25) {
if(!isset($server) || empty($server) || !is_string($server)) {
$this->_errorMessage = “first one is an invalid parameter”;
return false;
}
if(!is_numeric($port)){
$this->_errorMessage = “first two is an invalid parameter”;
return false;
}
$this->_sendServer = $server;
$this->_port = $port;
return true;
}
/**
* 设置邮件
* @access public
* @param array $config 邮件配置信息
* 包含邮件发送人、接收人、主题、内容、邮件传输代理的验证信息
* @return boolean
*/
public function setMailInfo($config) {
if(!is_array($config) || count($config) < 6){
$this->_errorMessage = “parameters are required”;
return false;
}
$this->_from = $config[‘from’];
$this->_to = $config[‘to’];
$this->_subject = $config[‘subject’];
$this->_body = $config[‘body’];
$this->_userName = $config[‘username’];
$this->_password = $config[‘password’];
if(isset($config[‘isHTML’])){
$this->_isHTML = $config[‘isHTML’];
}
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;
}
}
$this->close(); //其实这里也没必要关闭，smtp命令：QUIT发出之后，，服务器就关闭了连接，本地的socket资源会自动释放
echo ‘Mail OK!’;
return true;
}
/**
* 返回错误信息
* @return string
*/
public function error(){
if(!isset($this->_errorMessage)) {
$this->_errorMessage = “”;
}
return $this->_errorMessage;
}
/**
* 返回mail命令
* @access protected
* @return array
*/
protected function getCommand() {
if($this->_isHTML) {
$mail = “MIME-Version:1.0\r\n”;
$mail .= “Content-type:text/html;charset=utf-8\r\n”;
$mail .= “FROM:test_from . “>\r\n”;
$mail .= “TO:_to . “>\r\n”;
$mail .= “Subject:” . $this->_subject .”\r\n\r\n”;
$mail .= $this->_body . “\r\n.\r\n”;
}
else{
$mail = “FROM:test_from . “>\r\n”;
$mail .= “TO:_to . “>\r\n”;
$mail .= “Subject:” . $this->_subject .”\r\n\r\n”;
$mail .= $this->_body . “\r\n.\r\n”;
}
$command = array(
array(“HELO sendmail\r\n”, 250),
array(“AUTH LOGIN\r\n”, 334),
array(base64_encode($this->_userName) . “\r\n”, 334),
array(base64_encode($this->_password) . “\r\n”, 235),
array(“MAIL FROM:_from . “>\r\n”, 250),
array(“RCPT TO:_to . “>\r\n”, 250),
array(“DATA\r\n”, 354),
array($mail, 250),
array(“QUIT\r\n”, 221)
);
return $command;
}
/**
* @access protected
* @param string $command 发送到服务器的smtp命令
* @param int $code 期望服务器返回的响应吗
* @param boolean
*/
protected function sendCommand($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))){
//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 php-sockets must be enabled”;
return false;
}
//创建socket资源
$this->_socket = socket_create(AF_INET, SOCK_STREAM, getprotobyname(‘tcp’));
if(!$this->_socket) {
$this->_errorMessage = socket_strerror(socket_last_error());
return false;
}
//连接服务器
if(!socket_connect($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 ***********************************/
$config = array(
“from” => “XXXXX”,
“to” => “XXXXX”,
“subject” => “test”,
“body” => “test“,
“username” => “XXXXX”,
“password” => “******”,
//”isHTML” => true
);
$mail = new MySendMail();
$mail->setServer(“”);
$mail->setMailInfo($config);
if(!$mail->sendMail()) {
echo $mail->error();
return 1;
}
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