php 发送邮件类

//******************** 配置信息 ********************************
            $smtpserver = "smtp.263.net";//SMTP服务器
            $smtpserverport =25;//SMTP服务器端口
            $smtpusermail = "#####@126.com";//SMTP服务器的用户邮箱
            //$smtpemailto = $_POST['toemail'];//发送给谁
            $smtpemailto='?????@126.com';
            $smtpuser = "#####@126.com";//SMTP服务器的用户帐号，注：部分邮箱只需@前面的用户名
            $smtppass = "mima";//SMTP服务器的用户密码
            //$mailtitle = $_POST['title'];//邮件主题
            $mailtitle = '广告平台';
            $mailcontent = "<h1>".'客户信息'.'--姓名:'.$title.'--手机:'.$phone."</h1>";//邮件内容
            $mailtype = "HTML";//邮件格式（HTML/TXT）,TXT为文本邮件
            //************************ 配置信息 ****************************
            $Smtp = new \Think\Smtp($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 = false;//是否显示发送的调试信息
            $state = $Smtp->sendmail($smtpemailto, $smtpusermail, $mailtitle, $mailcontent, $mailtype);

邮件类

<?php

/**
 * email smtp （support php7）
 *
 * Modified by: Reson 2017/06
 * UPDATE:
 * 1、change ereg to preg_match；change ereg_replace to preg_replace.
 * 2、change var to public/private.
 *
 * More: http://www.daixiaorui.com
 *
 */
namespace Think;

class Smtp
{
    /* Public Variables */
    public $smtp_port;

public $time_out;

public $host_name;

public $log_file;

public $relay_host;

public $debug;

public $auth;

public $user;

public $pass;

/* Private Variables */
    private $sock;

/* Constractor */
    function __construct($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 */

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

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

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

$header = "MIME-Version:1.0\r\n";
        $header .= "Content-type: text/plain; charset=utf-8\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: $from<".$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: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from.">\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)) {

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

} else {

$this->log_write("Error: Cannot send email to <".$rcpt_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 (!$this->smtp_putcmd("MAIL", "FROM:<".$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."\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)
    {

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

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

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

return FALSE;

}

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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 (!preg_match("/^[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 (!@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 (preg_match($comment, $address)) {

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

}

return $address;

}

function get_address($address)
    {

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

$address = preg_replace("/^.*<(.+)>.*$/", "\1", $address);

return $address;

}

function smtp_debug($message)
    {

if ($this->debug) {

echo $message;

}

}

}