PHP实现支持SSL连接的SMTP邮件发送类
发布时间：2020-12-12 20:43:16 所属栏目：PHP教程 来源：网络整理
导读：本篇章节讲解PHP实现支持SSL连接的SMTP邮件发送类。供大家参考研究。具体如下： 该实例代码测试过了gmail和QQ邮箱的SMTP。具体代码如下： 代码如下: setServer("smtp@126.com","XXXXX@126.com","XXXXX"); //设置smtp服务器，普通连接方式* $mail->se
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本篇章节讲解PHP实现支持SSL连接的SMTP邮件发送类。分享给大家供大家参考。具体如下： 该实例代码测试过了gmail和QQ邮箱的SMTP。具体代码如下： 代码如下: 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
$command = array(
array("HELO sendmailrn",250)
);
if(!empty($this->_userName)){
$command[] = array("AUTH LOGINrn",334);
$command[] = array($this->_userName . "rn",334);
$command[] = array($this->_password . "rn",235);
}
//设置发件人
$command[] = array("MAIL FROM: <" . $this->_from . ">rn",250);
$header = "FROM: <" . $this->_from . ">rn";
//设置收件人
if(!empty($this->_to)) {
$count = count($this->_to);
if($count == 1){
$command[] = array("RCPT TO: <" . $this->_to[0] . ">rn",250);
$header .= "TO: <" . $this->_to[0] .">rn";
}
else{
for($i=0; $i<$count; $i++){
$command[] = array("RCPT TO: <" . $this->_to[$i] . ">rn",250);
if($i == 0){
$header .= "TO: <" . $this->_to[$i] .">";
}
elseif($i + 1 == $count){
$header .= ",<" . $this->_to[$i] .">rn";
}
else{
$header .= ",<" . $this->_to[$i] .">";
}
}
}
}
//设置抄送
if(!empty($this->_cc)) {
$count = count($this->_cc);
if($count == 1){
$command[] = array("RCPT TO: <" . $this->_cc[0] . ">rn",250);
$header .= "CC: <" . $this->_cc[0] .">rn";
}
else{
for($i=0; $i<$count; $i++){
$command[] = array("RCPT TO: <" . $this->_cc[$i] . ">rn",250);
if($i == 0){
$header .= "CC: <" . $this->_cc[$i] .">";
}
elseif($i + 1 == $count){
$header .= ",<" . $this->_cc[$i] .">rn";
}
else{
$header .= ",<" . $this->_cc[$i] .">";
}
}
}
}
//设置秘密抄送
if(!empty($this->_bcc)) {
$count = count($this->_bcc);
if($count == 1) {
$command[] = array("RCPT TO: <" . $this->_bcc[0] . ">rn",250);
$header .= "BCC: <" . $this->_bcc[0] .">rn";
}
else{
for($i=0; $i<$count; $i++){
$command[] = array("RCPT TO: <" . $this->_bcc[$i] . ">rn",250);
if($i == 0){
$header .= "BCC: <" . $this->_bcc[$i] .">";
}
elseif($i + 1 == $count){
$header .= ",<" . $this->_bcc[$i] .">rn";
}
else{
$header .= ",<" . $this->_bcc[$i] .">";
}
}
}
}
//主题
$header .= "Subject: =?UTF-8?B?" . $this->_subject ."?=rn";
if(isset($this->_attachment)) {
//含有附件的邮件头需要声明成这个
$header .= "Content-Type: multipart/mixed;rn";
}
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;rn";
}
else{
//html或者纯文本的邮件声明成这个
$header .= "Content-Type: multipart/alternative;rn";
}
//邮件头分隔符
$header .= "t" . 'boundary="' . $separator . '"';
$header .= "rnMIME-Version: 1.0rn";
//这里开始是邮件的body部分，body部分分成几段发送
$header .= "rn--" . $separator . "rn";
$header .= "Content-Type:text/html; charset=utf-8rn";
$header .= "Content-Transfer-Encoding: base64rnrn";
$header .= $this->_body . "rn";
$header .= "--" . $separator . "rn";
//加入附件
if(!empty($this->_attachment)){
$count = count($this->_attachment);
for($i=0; $i<$count; $i++){
$header .= "rn--" . $separator . "rn";
$header .= "Content-Type: " . $this->getMIMEType($this->_attachment[$i]) . '; name="=?UTF-8?B?' . base64_encode( basename($this->_attachment[$i]) ) . '?="' . "rn";
$header .= "Content-Transfer-Encoding: base64rn";
$header .= 'Content-Disposition: attachment; filename="=?UTF-8?B?' . base64_encode( basename($this->_attachment[$i]) ) . '?="' . "rn";
$header .= "rn";
$header .= $this->readFile($this->_attachment[$i]);
$header .= "rn--" . $separator . "rn";
}
}
//结束邮件数据发送
$header .= "rn.rn";
$command[] = array("DATArn",354);
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