php 邮件类，php邮件

编写一个用php socket 发送邮件的类，简单好用，当用到php程序发送邮件时，

而在163服务器中，可以在RCPT命令中还可以验证163邮箱是否存在，还有很多用处，

我现在暂时还没想到。

记录下，有需要的朋友可以参考下

class mail {

/**
* 这些即可发送email
*/
public $host;
public $port;
public $user;
public $password;
public $mail_form;
public $rcpt;

public $body;

/**
* 附属在 header 中信息
*/
public $to_name;
public $from_name;
public $subject;
public $html;

public $connection;

public $msg = array();


// 进行参数初始化
public function __construct($conf, $rcpt, $header, $body, $html = true) {

try {

$this->host = $conf['host'];
$this->port = $conf['port'];
$this->user = $conf['user'];
$this->password = $conf['password'];

$this->rcpt = $rcpt;

$this->to_name = $header['to_name'];
$this->from_name = $header['from_name'];
$this->subject = $header['subject'];
$this->html = $html;

$this->body = base64_encode($body);

} catch (Exception $e) {
throw new Exception($e->getMessage());
}

}



public function connect() {
$this->connection = @fsockopen($this->host, '25', $errno, $errstr, 10);
if (!$this->connection) {
throw new Exception('connect failed!');
}
$greet = $this->callback_code();

}

public function helo() {
if($this->is_connect() &&
$this->send_data('HELO ' . $this->host) &&
$this->callback_code() == 250
) {
return true;
} else {
throw new Exception($this->get_callback_msg_lastest());

}
}

public function send_data($cmd) {
if (is_resource($this->connection)) {
return @fwrite($this->connection, $cmd."\r\n", strlen($cmd) + 2);
}
}

public function auth(){
if ($this->is_connect() &&
$this->send_data('AUTH LOGIN') && $this->callback_code() == 334 &&
$this->send_data(base64_encode($this->user)) && $this->callback_code() == 334 &&
$this->send_data(base64_encode($this->password)) && $this->callback_code() == 235 ) {
return true;
} else {
throw new Exception($this->get_callback_msg_lastest());
}
}

public function Mail() {

if ($this->is_connect() &&
$this->send_data("MAIL FROM:<$this->user>") &&
$this->callback_code() == 250
) {
return true;
} else {
throw new Exception($this->get_callback_msg_lastest());
}
}

public function is_connect() {
return is_resource($this->connection);
}

public function callback_code() {
if ($this->is_connect()) {
$msg = fgets($this->connection);
if (!empty($msg)) {
$code = substr($msg, 0, strpos($msg, ' '));
} else {
return '';
}
$this->msg[] = $msg;
return $code;
}
}

public function get_callback_msg_lastest() {
return end($this->msg);
}

public function rcpt($rcpt) {
if ($this->is_connect() &&
$this->send_data("RCPT TO:<$rcpt>") &&
$this->callback_code() == 250
) {
return true;
} else {
throw new Exception($this->get_callback_msg_lastest());
}
}

public function data() {
if ($this->is_connect() &&
$this->send_data('DATA') &&
$this->callback_code() == 354) {
return true;
} else {
throw new Exception($this->get_callback_msg_lastest());
}
}


public function send_mail() {

try {

$this->connect();
$this->helo();
$this->auth();
$this->Mail();

if (is_array($this->rcpt)) {
foreach ($this->rcpt as $rcpt) {
$this->rcpt($rcpt);
}

} else {
$this->rcpt($this->rcpt);
}

$this->data();

$header = str_replace("\r\n" . '.', "\r\n" . '..', trim(implode("\r\n", $this->get_header())));
$body = str_replace("\r\n" . '.', "\r\n" . '..', $this->body);
$body = substr($body, 0, 1) == '.' ? '.' . $body : $body;

$this->send_data($header);
$this->send_data('');
$this->send_data($body);
$this->send_data('.');

if ($this->callback_code() != 250) {
throw new Exception('send mail falied!');
}
return true;
} catch (Exception $e) {
throw new Exception($e->getMessage());
}


}



//只能检测同一邮件服务器上email address
public function is_email_exist() {




}


public function get_header() {

$header = array();
$content_type = $this->html ? 'text/html;' : 'text/plain;' ;

$headers [] = 'Date: ' . gmdate('D, j M Y H:i:s') . ' +0000';
$to_mail = is_array($this->rcpt) ? implode(',', $this->rcpt) : $this->rcpt;
$headers [] = 'To: "' . '=? utf8?B?' . base64_encode($this->to_name) . '?=' . '" <' . $to_mail . '>';
$headers [] = 'From: "' . '=?utf8?B?' . base64_encode($this->from_name) . '?=' . '" <' . $this->user . '>';
$headers [] = 'Subject: ' . '=?utf8?B?' . base64_encode($this->subject) . '?=';
$headers [] = 'Content-Type:'.$content_type . ' charset=utf8; format=flowed';
$headers [] = 'Content-Transfer-Encoding: base64';
$headers [] = 'Content-Disposition: inline';

return $headers;
}



}


/**
* 用函数封装类
*/
function send_mail($conf, $rcpt, $header, $body) {

$mail = new mail($conf, $rcpt, $header, $body);

if ($mail->send_mail()) {
echo 'send email successfully!';
} else {
echo 'falied!';
}


}


$conf = array(
'host' => 'smtp.163.com',
'port' => '25',
'user' => 'z1298703836@163.com',
'password' => 'zeiwei123',
);

$rcpt = array(
'z1298703836@sina.com',
'wei.zen@baisonmail.com'
);

$header = array(
'to_name' => 'willstang',
'from_name' => 'sinawill',
'subject' => 'tst of reo ',
);

$body = '

sfsfsd

';
print_r($mail->msg);

 
熟悉邮件发送的过程，它的stmp协议，
还有一些发送的细节，如：发送的内容分为两部分， 一部分在头部，另一部分是email的正文，
 

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