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php 发邮件的2种方式（使用stmp类、使用socket协议）

方式1:使用stmp类发送邮件

代码：

stmp.php

  1 <?php 
  2 header("Content-Type: text/html; charset=utf-8");
  3 
  4 class smtp 
  5 { 
  6     /* Public Variables */ 
  7     var $smtp_port; 
  8     var $time_out; 
  9     var $host_name; 
 10     var $log_file; 
 11     var $relay_host; 
 12     var $debug; 
 13     var $auth; 
 14     var $user; 
 15     var $pass; 
 16 
 17     /* Private Variables */  
 18     var $sock; 
 19 
 20     /* Constractor */ 
 21     function smtp($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass) 
 22     { 
 23         $this->debug = FALSE; 
 24         $this->smtp_port = $smtp_port; 
 25         $this->relay_host = $relay_host; 
 26         $this->time_out = 30; //is used in fsockopen()  
 27         $this->auth = $auth;//auth 
 28         $this->user = $user; 
 29         $this->pass = $pass; 
 30         $this->host_name = "localhost"; //is used in HELO command  
 31         $this->log_file = ""; 
 32         $this->sock = FALSE; 
 33 } 
 34 
 35     /* Main Function */ 
 36     function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "") 
 37     { 
 38         $mail_from = $this->get_address($this->strip_comment($from)); 
 39         $body = preg_replace("/(^|(
))(.)/", "1.3", $body); 
 40         $header = "MIME-Version:1.0
"; 
 41         if($mailtype=="HTML") 
 42         { 
 43             $header .= "Content-Type:text/html
"; 
 44         } 
 45         $header .= "To: ".$to."
"; 
 46         if ($cc != "")  
 47         { 
 48             $header .= "Cc: ".$cc."
"; 
 49         } 
 50         $header .= "From: $from<".$from.">
"; 
 51         $header .= "Subject: ".$subject."
"; 
 52         $header .= $additional_headers; 
 53         $header .= "Date: ".date("r")."
"; 
 54         $header .= "X-Mailer:By Redhat (PHP/".phpversion().")
"; 
 55         list($msec, $sec) = explode(" ", microtime()); 
 56         $header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from.">
"; 
 57         $TO = explode(",", $this->strip_comment($to)); 
 58 
 59         if ($cc != "")  
 60         { 
 61             $TO = array_merge($TO, explode(",", $this->strip_comment($cc))); 
 62             } 
 63         if ($bcc != "")  
 64         { 
 65             $TO = array_merge($TO, explode(",", $this->strip_comment($bcc))); 
 66         } 
 67         $sent = TRUE; 
 68         foreach ($TO as $rcpt_to)  
 69         { 
 70             $rcpt_to = $this->get_address($rcpt_to); 
 71             if (!$this->smtp_sockopen($rcpt_to))  
 72             { 
 73                 $this->log_write("Error: Cannot send email to ".$rcpt_to."
"); 
 74                 $sent = FALSE; 
 75                 continue; 
 76             } 
 77             if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body))  
 78             { 
 79                 $this->log_write("E-mail has been sent to <".$rcpt_to.">
"); 
 80             }  
 81             else  
 82             { 
 83                 $this->log_write("Error: Cannot send email to <".$rcpt_to.">
"); 
 84                 $sent = FALSE; 
 85             } 
 86             fclose($this->sock); 
 87             $this->log_write("Disconnected from remote host
"); 
 88         } 
 89         return $sent; 
 90     } 
 91 
 92     /* Private Functions */ 
 93     function smtp_send($helo, $from, $to, $header, $body = "") 
 94     { 
 95         if (!$this->smtp_putcmd("HELO", $helo))  
 96         { 
 97             return $this->smtp_error("sending HELO command"); 
 98         } 
 99 
100         #auth 
101         if($this->auth) 
102         { 
103             if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user)))  
104             { 
105                 return $this->smtp_error("sending HELO command"); 
106             } 
107             if (!$this->smtp_putcmd("", base64_encode($this->pass)))  
108             { 
109                 return $this->smtp_error("sending HELO command"); 
110             } 
111         } 
112         if (!$this->smtp_putcmd("MAIL", "FROM:<".$from.">"))  
113         { 
114             return $this->smtp_error("sending MAIL FROM command"); 
115         } 
116         if (!$this->smtp_putcmd("RCPT", "TO:<".$to.">"))  
117         { 
118             return $this->smtp_error("sending RCPT TO command"); 
119         } 
120         if (!$this->smtp_putcmd("DATA")) 
121         { 
122             return $this->smtp_error("sending DATA command"); 
123         } 
124         if (!$this->smtp_message($header, $body))  
125         { 
126             return $this->smtp_error("sending message"); 
127         } 
128         if (!$this->smtp_eom()) 
129         { 
130             return $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]"); 
131         } 
132         if (!$this->smtp_putcmd("QUIT"))  
133         { 
134             return $this->smtp_error("sending QUIT command"); 
135         } 
136         return TRUE; 
137     } 
138 
139     function smtp_sockopen($address) 
140     { 
141         if ($this->relay_host == "")  
142         { 
143             return $this->smtp_sockopen_mx($address); 
144         }  
145         else 
146         { 
147             return $this->smtp_sockopen_relay(); 
148         } 
149     } 
150 
151     function smtp_sockopen_relay() 
152     { 
153         $this->log_write("Trying to ".$this->relay_host.":".$this->smtp_port."
"); 
154         $this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out); 
155         if (!($this->sock && $this->smtp_ok()))  
156         { 
157             $this->log_write("Error: Cannot connenct to relay host ".$this->relay_host."
"); 
158             $this->log_write("Error: ".$errstr." (".$errno.")
"); 
159             return FALSE; 
160         } 
161         $this->log_write("Connected to relay host ".$this->relay_host."
"); 
162         return TRUE;; 
163     } 
164 
165     function smtp_sockopen_mx($address) 
166     { 
167         $domain = preg_replace("^.+@([^@]+)$", "1", $address); 
168         if (!@getmxrr($domain, $MXHOSTS))  
169         { 
170             $this->log_write("Error: Cannot resolve MX "".$domain.""
"); 
171             return FALSE; 
172         } 
173         foreach ($MXHOSTS as $host)  
174         { 
175             $this->log_write("Trying to ".$host.":".$this->smtp_port."
"); 
176             $this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out); 
177             if (!($this->sock && $this->smtp_ok()))  
178             { 
179                 $this->log_write("Warning: Cannot connect to mx host ".$host."
"); 
180                 $this->log_write("Error: ".$errstr." (".$errno.")
"); 
181                 continue; 
182             } 
183             $this->log_write("Connected to mx host ".$host."
"); 
184             return TRUE; 
185         } 
186         $this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).")
"); 
187         return FALSE; 
188     } 
189 
190     function smtp_message($header, $body) 
191     { 
192         fputs($this->sock, $header."
".$body); 
193         $this->smtp_debug("> ".str_replace("
", "
"."> ", $header."
> ".$body."
> ")); 
194         return TRUE; 
195     } 
196 
197     function smtp_eom() 
198     { 
199         fputs($this->sock, "
.
"); 
200         $this->smtp_debug(". [EOM]
"); 
201         return $this->smtp_ok(); 
202     } 
203 
204     function smtp_ok() 
205     { 
206         $response = str_replace("
", "", fgets($this->sock, 512)); 
207         $this->smtp_debug($response."
"); 
208         if (!preg_match("/^[23]/", $response))  
209         { 
210             fputs($this->sock, "QUIT
"); 
211             fgets($this->sock, 512); 
212             $this->log_write("Error: Remote host returned "".$response.""
"); 
213             return FALSE; 
214         } 
215         return TRUE; 
216     } 
217 
218     function smtp_putcmd($cmd, $arg = "") 
219     { 
220         if ($arg != "")  
221         { 
222             if($cmd=="")  
223             { 
224                 $cmd = $arg; 
225             } 
226             else 
227             { 
228                 $cmd = $cmd." ".$arg; 
229             } 
230         } 
231         fputs($this->sock, $cmd."
"); 
232         $this->smtp_debug("> ".$cmd."
"); 
233         return $this->smtp_ok(); 
234     } 
235 
236     function smtp_error($string) 
237     { 
238         $this->log_write("Error: Error occurred while ".$string.".
"); 
239         return FALSE; 
240     } 
241 
242     function log_write($message) 
243     { 
244         $this->smtp_debug($message); 
245         if ($this->log_file == "") 
246         { 
247             return TRUE; 
248         } 
249         $message = date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message; 
250         if (!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a")))  
251         { 
252             $this->smtp_debug("Warning: Cannot open log file "".$this->log_file.""
"); 
253             return FALSE;; 
254         } 
255         flock($fp, LOCK_EX); 
256         fputs($fp, $message); 
257         fclose($fp); 
258         return TRUE; 
259     } 
260 
261     function strip_comment($address) 
262     { 
263         $comment = "/([^()]*)/"; 
264         while (preg_match($comment, $address))  
265         { 
266             $address = preg_replace($comment, "", $address); 
267         } 
268         return $address; 
269     } 
270 
271     function get_address($address) 
272     { 
273         $address = preg_replace("/([ 	
])+/", "", $address); 
274         $address = preg_replace("/^.*<(.+)>.*$/", "1", $address); 
275         return $address; 
276     } 
277 
278     function smtp_debug($message) 
279     { 
280         if ($this->debug)  
281         { 
282             echo $message; 
283         } 
284     } 
285 
286 } 
287 ?>

View Code

sendCodeTest.php

 1 <?php
 2 header("Content-Type: text/html; charset=utf-8");
 3 
 4 //引入发送邮件类
 5 require("smtp.php"); 
 6 //使用163邮箱服务器
 7 $smtpserver = "smtp.163.com";
 8 //163邮箱服务器端口 
 9 $smtpserverport = 25;
10 //你的163服务器邮箱账号
11 $smtpusermail = "18503001535@163.com";
12 //收件人邮箱
13 $smtpemailto = "244491216@qq.com";
14 
15 //你的邮箱账号(去掉@163.com)
16 $smtpuser = "18503001535";//你的163邮箱去掉后面的163.com
17 //你的邮箱密码
18 $smtppass = "baomihua1234"; //你的163邮箱SMTP的授权码，千万不要填密码！！！
19 
20 //邮件主题 
21 $mailsubject = "测试邮件发送";
22 //邮件内容 
23 $mailbody = "PHP+MySQL";
24 //邮件格式（HTML/TXT）,TXT为文本邮件 
25 $mailtype = "TXT";
26 //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. 
27 $smtp = new smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);
28 //是否显示发送的调试信息 
29 $smtp->debug = TRUE;
30 //发送邮件
31 $smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype); 
32 
33 ?>

View Code

注意：

该代码得设置邮箱得授权码，163邮箱设置得地方：设置-客户端授权密码-重新授权码
使用这个发邮件，邮件可能会进入垃圾箱或者被拦截

方式2:使用socket协议发送邮件

sendMail.php

<?php
header("Content-Type:text/html;charset=utf8");
$content = <<<'html'
    <table style="100%;height:100%;">
    <tr><td style="text-align: center;">
        <div style="display: inline-block; padding:30px; color:red; ">
            <img src="https://ss0.bdstatic.com/5aV1bjqh_Q23odCf/static/superman/img/logo/bd_logo1_31bdc765.png"/>
            <h1>helloworld，这是一封测试邮件</h1>
            <a style="text-decoration: none; color: #ffffff" href="http://serverjs.cn" target="_blank">
                <div style="font-family:'微软雅黑';font-size: 18px; text-decoration: none; white-space: nowrap; color: #ffffff; padding-bottom: 10px; text-align: center; padding-top: 10px; padding-left: 25px; margin: 0px; padding-right: 25px; background-color: #cc0001; border-radius: 3px">马上激活 </div>
            </a>
        </div>
    </td></tr>
    </table>
html;
// $to = "15679700245@163.com";
$to = "18503001535@163.com";

echo sendMail("这是发件人", "admin@serverjs.cn", $to, "这是邮件标题", $content, true, "utf8");

function sendMail($senderName, $sender, $to, $subject, $content, $isHtml = false, $encode = "utf-8")
{
    date_default_timezone_set('Asia/Shanghai');
    $toHostname = substr($to, strrpos($to, '@') + 1);
    if (dns_get_mx($toHostname, $mxhosts, $weight)) {
        // $best = array_search(min($weight), $weight);
        // $mxBestHost = $mxhosts[$best];
        $socket = $res = $errno = $errstr = null;
        foreach ($mxhosts as $v) {
            $socket = @fsockopen($v, 25, $errno, $errstr, 10);
            if ($socket) {
                $res = fgets($socket);
                if ($res != 220) {
                    fclose($socket);
                    return $res;
                }
                break;
            }
        }
        if (! $socket) {
            return "$errstr ($errno)";
        }
        $senderHost = substr($sender, strrpos($sender, '@') + 1);
        fwrite($socket, "HELO $senderHost
");
        fflush($socket);
        $res = fgets($socket);
        if ($res != 250) {
            fclose($socket);
            return $res;
        }
        
        fwrite($socket, "MAIL FROM: <$sender>
");
        fflush($socket);
        $res = fgets($socket);
        if ($res != 250) {
            fclose($socket);
            return $res;
        }
        
        fwrite($socket, "RCPT TO: <$to>
");
        fflush($socket);
        $res = fgets($socket);
        if ($res != 250) {
            fclose($socket);
            return $res;
        }
        
        fwrite($socket, "DATA
");
        fflush($socket);
        $res = fgets($socket);
        if ($res != 354) {
            fclose($socket);
            return $res;
        }
        
        fwrite($socket, "From: =?$encode?B?" . base64_encode($senderName) . "?= <$sender>
");
        fwrite($socket, "To: $to
");
        fwrite($socket, "Subject: =?$encode?B?" . base64_encode($subject) . "?=
");
        fwrite($socket, "Date: " . date(DATE_RFC822) . "
");
        fwrite($socket, "MIME-Version: 1.0
");
        if ($isHtml) {
            fwrite($socket, "Content-Type: text/html; charset="$encode"
");
        } else {
            fwrite($socket, "Content-Type: text/plain; charset="$encode"
");
        }
        fwrite($socket, "Content-Transfer-Encoding: base64
");
        fwrite($socket, "X-Priority: 3
");
        fwrite($socket, "X-Mailer: PHP Server
");
        fwrite($socket, "
");
        fwrite($socket, base64_encode($content));
        fwrite($socket, "
.
");
        fflush($socket);
        $res = fgets($socket);
        if ($res == 550) {
            fclose($socket);
            return "邮件被拦截: $res";
        } elseif ($res != 250) {
            fclose($socket);
            return $res;
        }
        
        fwrite($socket, "QUIT
");
        fflush($socket);
        $res = fgets($socket);
        if ($res != 221) {
            fclose($socket);
            return $res;
        }
        fclose($socket);
        return "发送成功";
    } else {
        return "找不到主机";
    }
}

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原文地址：https://www.cnblogs.com/8013-cmf/p/9113351.html