邮箱发送

一个邮箱类（网上找的），重新做了一些备注和注释

<?php

class smtp
{
    /* Public Variables */
    public $smtp_port; //端口
    public $time_out;  //超时等待时间
    public $host_name;  //发件人的邮件服务器地址
    public $log_file;  //日志文件
    public $relay_host; //SMTP服务器
    public $debug; //是否开启debug true开启
    public $auth;  //是否使用身份验证 true是
    public $user;  //邮件用户名
    public $pass;  //邮件密码

    /* Private Variables */
    private $sock; //连接网络请求内容

    /* Constractor */
    function smtp($relay_host = "", $smtp_port = 25, $auth = false, $user, $pass)
    {
        $this->debug = FALSE;
        $this->smtp_port = $smtp_port;
        $this->relay_host = $relay_host;
        $this->time_out = 30; //is used in fsockopen() 打开一个网络请求
        #
        $this->auth = $auth;//auth
        $this->user = $user;
        $this->pass = $pass;
        #
        $this->host_name = "localhost"; //is used in HELO command 用于Helo命令
        $this->log_file = "";

        $this->sock = FALSE;
    }

    /* Main Function */
    /**
     * 发送邮箱
     * @param string $to 收件人
     * @param string $from 发件人
     * @param string $from_title 发件人名称显示
     * @param string $subject 邮件主题
     * @param string $body 邮件内容
     * @param string $mailtype 邮件格式（HTML/TXT）,TXT为文本邮件
     * @param string $cc 抄送地址. 多个地址使用','分隔
     * @param string $bcc 密送地址. 多个地址使用','分隔
     * @param string $additional_headers 附加标题
    */
    function sendmail($to, $from, $from_title,$subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "")
    {
        $mail_from = $this->get_address($this->strip_comment($from));
        $body = preg_replace("/(^|(
))(\.)/", "\1.\3", $body);
        $header = "MIME-Version:1.0
";
        if ($mailtype == "HTML") {
            $header .= "Content-Type:text/html
";
        }
        $header .= "To: " . $to . "
";
        //抄送地址. 多个地址使用';'分隔
        if ($cc != "") {
            $header .= "Cc: " . $cc . "
";
        }
        $header .= "From: $from_title<" . $from . ">
";
        $header .= "Subject: " . $subject . "
";
        $header .= $additional_headers;
        $header .= "Date: " . date("r") . "
";
        $header .= "X-Mailer:By Redhat (PHP/" . phpversion() . ")
";
        //list 把数组中的值赋给一些变量：
        list($msec, $sec) = explode(" ", microtime());
        $header .= "Message-ID: <" . date("YmdHis", $sec) . "." . ($msec * 1000000) . "." . $mail_from . ">
";
        $TO = explode(",", $this->strip_comment($to));
        if ($cc != "") {
            $TO = array_merge($TO, explode(",", $this->strip_comment($cc)));
        }
        //密送地址. 多个地址使用';'分隔
        if ($bcc != "") {
            $TO = array_merge($TO, explode(",", $this->strip_comment($bcc)));
        }

        $sent = TRUE;
        //$TO 收件人 抄送 密送 一维数组
        foreach ($TO as $rcpt_to) {
            //$rcpt 收件人
            $rcpt_to = $this->get_address($rcpt_to);
            if (!$this->smtp_sockopen($rcpt_to)) {
                $this->log_write("Error: Cannot send email to " . $rcpt_to . "
");
                $sent = FALSE;
                continue;
            }
//            var_dump($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body));die;
            if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) {
                $this->log_write("E-mail has been sent to <" . $rcpt_to . ">
");
            } else {
                $this->log_write("Error: Cannot send email to <" . $rcpt_to . ">
");
                $sent = FALSE;
            }
            fclose($this->sock);
            $this->log_write("Disconnected from remote host
");
        }
//        echo "<br>";
//        echo $header;
        return $sent;
    }

    /* Private Functions */

    /**
     * 执行发送
     * @param string $helo 服务器地址
     * @param string $from 发件人
     * @param string $to 收件人
     * @param string $header header头信息
     * @param string $body 邮件内容
    */
    function smtp_send($helo, $from, $to, $header, $body = "")
    {
        // HELO命令提供域名信息
        //执行HELO命令 拼接 提供域名信息
        if (!$this->smtp_putcmd("HELO", $helo)) {
            return $this->smtp_error("sending HELO command");
        }
        #auth
        if ($this->auth) {
//            print_r($this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user)));die;
            if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) {
                return $this->smtp_error("sending HELO command");
            }
            if (!$this->smtp_putcmd("", base64_encode($this->pass))) {
                return $this->smtp_error("sending HELO command");
            }
        }
        #
        if (!$this->smtp_putcmd("MAIL", "FROM:<" . $from . ">")) {

            return $this->smtp_error("sending MAIL FROM command");
        }

        if (!$this->smtp_putcmd("RCPT", "TO:<" . $to . ">")) {
            return $this->smtp_error("sending RCPT TO command");
        }

        if (!$this->smtp_putcmd("DATA")) {
            return $this->smtp_error("sending DATA command");
        }

        if (!$this->smtp_message($header, $body)) {
            return $this->smtp_error("sending message");
        }

        if (!$this->smtp_eom()) {
            return $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]");
        }

        if (!$this->smtp_putcmd("QUIT")) {
            return $this->smtp_error("sending QUIT command");
        }
        return TRUE;
    }

    function smtp_sockopen($address)
    {
        if ($this->relay_host == "") {
            return $this->smtp_sockopen_mx($address);
        } else {
            return $this->smtp_sockopen_relay();
        }
    }

    function smtp_sockopen_relay()
    {
        $this->log_write("Trying to " . $this->relay_host . ":" . $this->smtp_port . "
");
        //打开一个网络连接或者一个Unix套接字连接 参数 主机地址 端口 错误信息 错误信息以字符串返回 连接时限
        $this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);
        //连接失败
        if (!($this->sock && $this->smtp_ok())) {
            $this->log_write("Error: Cannot connenct to relay host " . $this->relay_host . "
");
            $this->log_write("Error: " . $errstr . " (" . $errno . ")
");
            return FALSE;
        }
        $this->log_write("Connected to relay host " . $this->relay_host . "
");
        return TRUE;
    }

    function smtp_sockopen_mx($address)
    {
        //取替换截取 163.com
        $domain = preg_replace("/^.+@([^@]+)$/", "\1", $address);
        //获取互联网主机名对应的 MX DNS记录
        if (!@getmxrr($domain, $MXHOSTS)) {
            $this->log_write("Error: Cannot resolve MX "" . $domain . ""
");
            return FALSE;
        }
        foreach ($MXHOSTS as $host) {
            $this->log_write("Trying to " . $host . ":" . $this->smtp_port . "
");
            $this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
            if (!($this->sock && $this->smtp_ok())) {
                $this->log_write("Warning: Cannot connect to mx host " . $host . "
");
                $this->log_write("Error: " . $errstr . " (" . $errno . ")
");
                continue;
            }
            $this->log_write("Connected to mx host " . $host . "
");
            return TRUE;
        }
        $this->log_write("Error: Cannot connect to any mx hosts (" . implode(", ", $MXHOSTS) . ")
");
        return FALSE;
    }

    function smtp_message($header, $body)
    {
        fputs($this->sock, $header . "
" . $body);
        $this->smtp_debug("> " . str_replace("
", "
" . "> ", $header . "
> " . $body . "
> "));

        return TRUE;
    }

    function smtp_eom()
    {
        fputs($this->sock, "
.
");
        $this->smtp_debug(". [EOM]
");

        return $this->smtp_ok();
    }

    /**
     * 是否发送成功
     *
    */
    function smtp_ok()
    {
        //从文件中取出一行
        $response = str_replace("
", "", fgets($this->sock, 512));
        $this->smtp_debug($response . "
");
//        print_r($response);die;
        if (!preg_match("/^[23]/", $response)) {
            //写入文件
            fputs($this->sock, "QUIT
");
            fgets($this->sock, 512);
            $this->log_write("Error: Remote host returned "" . $response . ""
");
            return FALSE;
        }
        return TRUE;
    }

    /**
     *  拼接 信息
     * @param string $cmd HELO/AUTH等
     * @param string $arg
    */
    function smtp_putcmd($cmd, $arg = "")
    {
        if ($arg != "") {
            if ($cmd == "") $cmd = $arg;
            else $cmd = $cmd . " " . $arg;
        }
//        print_r($this->sock);die;
        fputs($this->sock, $cmd . "
");
        $this->smtp_debug("> " . $cmd . "
");

        return $this->smtp_ok();
    }

    /**
     * 错误信息
    */
    function smtp_error($string)
    {
        $this->log_write("Error: Error occurred while " . $string . ".
");
        return FALSE;
//        return "Error: Error occurred while " . $string . ".
";
    }

    /**
     * 写入日志
     * @param string $message 写入日志信息
    */
    function log_write($message)
    {
        $this->smtp_debug($message);

        if ($this->log_file == "") {
            return TRUE;
        }

        //get_current_user取当前 PHP 脚本所有者名称  getmypid 获取 PHP 进程的 ID
        $message = date("M d H:i:s ") . get_current_user() . "[" . getmypid() . "]: " . $message;
        if (!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a"))) {
            $this->smtp_debug("Warning: Cannot open log file "" . $this->log_file . ""
");
            return FALSE;
        }
        // 函数锁定或释放文件。
        flock($fp, LOCK_EX);
        fputs($fp, $message);
        fclose($fp);

        return TRUE;
    }

    function strip_comment($address)
    {
        $comment = "/\([^()]*\)/";
        //正则匹配
        while (preg_match($comment, $address)) {
            $address = preg_replace($comment, "", $address);
        }

        return $address;
    }

    function get_address($address)
    {
        //正则搜索替换
        $address = preg_replace("/([ 	
])+/", "", $address);
        $address = preg_replace("/^.*<(.+)>.*$/", "\1", $address);

        return $address;
    }

    /**
     * 输出错误信息
     * @param string $message 错误信息
    */
    function smtp_debug($message)
    {
        if ($this->debug) {
            echo $message . "<br>";
        }
    }

    function get_attach_type($image_tag)
    { //

        $filedata = array();

        $img_file_con = fopen($image_tag, "r");
        unset($image_data);
        while ($tem_buffer = AddSlashes(fread($img_file_con, filesize($image_tag))))
            $image_data = $tem_buffer;
        fclose($img_file_con);

        $filedata['context'] = $image_data;
        $filedata['filename'] = basename($image_tag);
        $extension = substr($image_tag, strrpos($image_tag, "."), strlen($image_tag) - strrpos($image_tag, "."));
        switch ($extension) {
            case ".gif":
                $filedata['type'] = "image/gif";
                break;
            case ".gz":
                $filedata['type'] = "application/x-gzip";
                break;
            case ".htm":
                $filedata['type'] = "text/html";
                break;
            case ".html":
                $filedata['type'] = "text/html";
                break;
            case ".jpg":
                $filedata['type'] = "image/jpeg";
                break;
            case ".tar":
                $filedata['type'] = "application/x-tar";
                break;
            case ".txt":
                $filedata['type'] = "text/plain";
                break;
            case ".zip":
                $filedata['type'] = "application/zip";
                break;
            default:
                $filedata['type'] = "application/octet-stream";
                break;
        }
        return $filedata;
    }

} // end class
?>

发送邮箱：

/**
 * 发送邮箱
 * @param string $smtpemailto 要发送给谁
*/
function email($smtpemailto){
    require_once('smtp.class.php');
    $smtpserver = "smtp.qq.com";//发送者的邮箱类型服务  这里以QQ邮箱为例
    $smtpserverport = 25;//端口号
    $smtpusermail = "";//SMTP服务器的用户邮箱
    $smtpuser = "";//SMTP服务器的用户帐号
    $smtppass = "";//SMTP服务器的用户密码 不是自己登陆密码
    $from_title = '';
    $mailsubject = "";//邮件主题
    $mailbody = "";//邮件内容
    $mailtype = "HTML";//邮件格式（HTML/TXT）,TXT为文本邮件
    $smtp = new smtp($smtpserver, $smtpserverport, true, $smtpuser, $smtppass);//这里面的一个true是表示使用身份验证,否则不使用身份验证.
//    $smtp->debug = true;//是否显示发送的调试信息
    $ok = $smtp->sendmail($smtpemailto, $smtpusermail, $from_title ,$mailsubject, $mailbody, $mailtype, $cc = "", $bcc = "", $additional_headers = "");
}

以上就是这次的全部内容！