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PHP的一个完整SMTP类(解决邮件服务器需要验证时的问题)
2020-03-11 41人围观 0条评论
简介PHP的一个完整SMTP类(解决邮件服务器需要验证时的问题)

    smtp.php

    class smtp

    {

    /* Public Variables */

    var $smtp_port;

    var $time_out;

    var $host_name;

    var $log_file;

    var $relay_host;

    var $debug;

    var $auth;

    var $user;

    var $pass;

    /* Private Variables */
    var $sock;

    /* 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()
    #

    $this->auth = $auth;//auth

    $this->user = $user;

    $this->pass = $pass;

    #

    $this->host_name = "localhost"; //is used in HELO command
    $this->log_file = "";

     

    $this->sock = FALSE;

    }

    /* Main Function */

    function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "")

    {

    $mail_from = $this->get_address($this->strip_comment($from));

    $body = ereg_replace("(^|(\r\n))(\.)", "\1.\3", $body);

    $header .= "MIME-Version:1.0\r\n";

    if($mailtype=="HTML"){

    $header .= "Content-Type:text/html\r\n";

    }

    $header .= "To: ".$to."\r\n";

    if ($cc != "") {

    $header .= "Cc: ".$cc."\r\n";

    }

    $header .= "From: $from\r\n";

    $header .= "Subject: ".$subject."\r\n";

    $header .= $additional_headers;

    $header .= "Date: ".date("r")."\r\n";

    $header .= "X-Mailer:By Redhat (PHP/".phpversion().")\r\n";

    list($msec, $sec) = explode(" ", microtime());

    $header .= "Message-ID: \r\n";

    $TO = explode(",", $this->strip_comment($to));

    if ($cc != "") {

    $TO = array_merge($TO, explode(",", $this->strip_comment($cc)));

    }

    if ($bcc != "") {

    $TO = array_merge($TO, explode(",", $this->strip_comment($bcc)));

    }

    $sent = TRUE;

    foreach ($TO as $rcpt_to) {

    $rcpt_to = $this->get_address($rcpt_to);

    if (!$this->smtp_sockopen($rcpt_to)) {

    $this->log_write("Error: Cannot send email to ".$rcpt_to."\n");

    $sent = FALSE;

    continue;

    }

    if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) {

    $this->log_write("E-mail has been sent to \n");

    } else {

    $this->log_write("Error: Cannot send email to \n");

    $sent = FALSE;

    }

    fclose($this->sock);

    $this->log_write("Disconnected from remote host\n");

    }

    return $sent;

    }

     

    /* Private Functions */

     

    function smtp_send($helo, $from, $to, $header, $body = "")

    {

    if (!$this->smtp_putcmd("HELO", $helo)) {

    return $this->smtp_error("sending HELO command");

    }

    #auth

    if($this->auth){

    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:")) {

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

    }

    if (!$this->smtp_putcmd("RCPT", "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 . [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."\n");

    $this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);

    if (!($this->sock && $this->smtp_ok())) {

    $this->log_write("Error: Cannot connenct to relay host ".$this->relay_host."\n");

    $this->log_write("Error: ".$errstr." (".$errno.")\n");

    return FALSE;

    }

    $this->log_write("Connected to relay host ".$this->relay_host."\n");

    return TRUE;;

    }

     

    function smtp_sockopen_mx($address)

    {

    $domain = ereg_replace("^.+@([^@]+)$", "\1", $address);

    if (!@getmxrr($domain, $MXHOSTS)) {

    $this->log_write("Error: Cannot resolve MX \"".$domain."\"\n");

    return FALSE;

    }

    foreach ($MXHOSTS as $host) {

    $this->log_write("Trying to ".$host.":".$this->smtp_port."\n");

    $this->sock = @fsockopen($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."\n");

    $this->log_write("Error: ".$errstr." (".$errno.")\n");

    continue;

    }

    $this->log_write("Connected to mx host ".$host."\n");

    return TRUE;

    }

    $this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).")\n");

    return FALSE;

    }

     

    function smtp_message($header, $body)

    {

    fputs($this->sock, $header."\r\n".$body);

    $this->smtp_debug("> ".str_replace("\r\n", "\n"."> ", $header."\n> ".$body."\n> "));

     

    return TRUE;

    }

     

    function smtp_eom()

    {

    fputs($this->sock, "\r\n.\r\n");

    $this->smtp_debug(". [EOM]\n");

     

    return $this->smtp_ok();

    }

     

    function smtp_ok()

    {

    $response = str_replace("\r\n", "", fgets($this->sock, 512));

    $this->smtp_debug($response."\n");

     

    if (!ereg("^[23]", $response)) {

    fputs($this->sock, "QUIT\r\n");

    fgets($this->sock, 512);

    $this->log_write("Error: Remote host returned \"".$response."\"\n");

    return FALSE;

    }

    return TRUE;

    }

    function smtp_putcmd($cmd, $arg = "")

    {

    if ($arg != "") {

    if($cmd=="") $cmd = $arg;

    else $cmd = $cmd." ".$arg;

    }

    fputs($this->sock, $cmd."\r\n");

    $this->smtp_debug("> ".$cmd."\n");

    return $this->smtp_ok();

    }

    function smtp_error($string)

    {

    $this->log_write("Error: Error occurred while ".$string.".\n");

    return FALSE;

    }

    function log_write($message)

    {

    $this->smtp_debug($message);

    if ($this->log_file == "") {

    return TRUE;

    }

    $message = date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message;

    if (log_file">!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a"))) {

    $this->smtp_debug("Warning: Cannot open log file \"".$this->log_file."\"\n");

    return FALSE;;

    }

    flock($fp, LOCK_EX);

    fputs($fp, $message);

    fclose($fp);


    return TRUE;

    }


    function strip_comment($address)

    {

    $comment = "\([^()]*\)";

    while (ereg($comment, $address)) {

    $address = ereg_replace($comment, "", $address);

    }


    return $address;

    }


    function get_address($address)

    {

    $address = ereg_replace("([ \t\r\n])+", "", $address);

    $address = ereg_replace("^.*.*$", "\1", $address);

    return $address;

    }

    function smtp_debug($message)

    {

    if ($this->debug) {

    echo $message;

    }

    }

    }

    ?>

    test.php

    /*

    这是一个测试程序!!!

    请按照说明设置好以下的参数,以下是以tom.com的用户为例设置好的.

    */

    require("sm.php");

    ##########################################

    $smtpserver = "smtp.tom.com";//SMTP服务器

    $smtpserverport =25;//SMTP服务器端口

    $smtpusermail = "someone@tom.com";//SMTP服务器的用户邮箱

    $smtpemailto = "jack@knowsky.com";//发送给谁

    $smtpuser = "someone";//SMTP服务器的用户帐号

    $smtppass = "someonepass";//SMTP服务器的用户密码

    $mailsubject = "Test Subject";//邮件主题

    $mailbody = "This is a test mail";//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

    $smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype);

    ?>

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