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  • (笔记)用phpmail发送邮件

    March 15, 2020












    (笔记)用phpmail发送邮件
    2020年03月15日

    前言

    在做天气之子网站时用到的,经过修改后支持utf-8且支持自定义发件人名字

    上代码

    index.html

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>PHP利用smtp类发送邮件范例</title>
    </head>
    <body>
    <form action="sendmail.php" method="post">
        <p>收件人:<input type="text" name="toemail" /></p>
        <p>发件人名字:<input type="text" name="username" /></p>
        <p>标&nbsp;&nbsp;题:<input type="text" name="title" /></p>
        <p>内&nbsp;&nbsp;容:<textarea name="content" cols="50" rows="5"></textarea></p>
        <p><input type="submit" value="发送"  /></p>
    </form>
    </body>
    </html>
    
    

    Smtp.class.php

    <?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
     *
     */
    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 = "";
            $this->sock = FALSE;
        }
        /* Main Function */
        function sendmail($to, $from, $subject = "", $body = "", $mailtype,$mailusername, $cc = "", $bcc = "", $additional_headers = "") {
            $mail_from = $this->get_address($this->strip_comment($from));
            $body = preg_replace("/(^|(\r\n))(\.)/", "\1.\3", $body);
            $header = "MIME-Version:1.0\r\n";
            if($mailtype=="HTML") {
                $header .= "Content-Type:text/html charset=utf-8\r\n";
            }
            $header .= "To: ".$to."\r\n";
            if ($cc != "") {
                $header .= "Cc: ".$cc."\r\n";
            }
            $header .= "From: ".$mailusername."\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;
            }
            //专注与php学习 http://www.daixiaorui.com 欢迎您的访问
            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;
            }
        }
    }
    
    

    sendmail.php

    <?php
        require_once "Smtp.class.php";
        //******************** 配置信息 ********************************
        $smtpserver = "smtp.qq.com";//SMTP服务器
        $smtpserverport =25;//SMTP服务器端口
        $smtpusermail = "2428482276@qq.com";//SMTP服务器的用户邮箱
        $smtpemailto = $_POST['toemail'];//发送给谁
        $smtpuser = "xxxxxxxxx@qq.com";//SMTP服务器的用户帐号,注:部分邮箱只需@前面的用户名
        $smtppass = "bcwyhhuwrfoxdc";//SMTP服务器的授权码
        $mailusername = $_POST['username'];//发件人名字
        $mailtitle = $_POST['title'];//邮件主题
        $mailcontent = "<h1>".$_POST['content']."</h1>";//邮件内容
        $mailtype = "HTML";//邮件格式(HTML/TXT),TXT为文本邮件
        //************************ 配置信息 ****************************
        $smtp = new Smtp($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, $mailtype,$mailusername);
    
        echo "<div style='width:300px; margin:36px auto;'>";
        if($state==""){
            echo "对不起,邮件发送失败!请检查邮箱填写是否有误。";
            echo "<a href='index.html'>点此返回</a>";
            exit();
        }
        echo "恭喜!邮件发送成功!!";
        echo "<a href='index.html'>点此返回</a>";
        echo "</div>";
    
    ?>
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