1 <?php
 2 function send_mail($name, $to, $subject = ‘No subject‘, $body) {
 3     $loc_host = "ooo";                 //主机名，随意
 4     $smtp_acc = "service@XXX.com";        //你的邮箱
 5     $smtp_pass="XXXXX";              //邮箱登陆密码，不是授权码，163个人邮箱才是授权码。
 6     $smtp_host="smtp.exmail.qq.com";    //腾讯企业邮箱地址
 7     $from="service@xxx.com";              //你的邮箱
 8     $headers = "Content-Type: text/html; charset=\"utf-8\"\r\nContent-Transfer-Encoding: base64";
 9     $lb="\r\n";                         //linebreak
10     $hdr = explode($lb,$headers);     
11     if($body) {
12         $bdy = preg_replace("/^\./","..",explode($lb,$body));
13     }
14 
15     $smtp = array(
16 
17         array("EHLO ".$loc_host.$lb,"220,250","HELO error: "),
18 
19         array("AUTH LOGIN".$lb,"334","AUTH error:"),
20 
21         array(base64_encode($smtp_acc).$lb,"334","AUTHENTIFICATION error : "),
22 
23         array(base64_encode($smtp_pass).$lb,"235","AUTHENTIFICATION error : ")
24     );
25 
26     $smtp[] = array("MAIL FROM: <".$from.">".$lb,"250","MAIL FROM error: ");
27 
28     $smtp[] = array("RCPT TO: <".$to.">".$lb,"250","RCPT TO error: ");
29 
30     $smtp[] = array("DATA".$lb,"354","DATA error: ");
31 
32     $smtp[] = array("From: ".$name."<".$from.">".$lb,"","");
33 
34     $smtp[] = array("To: ".$to.$lb,"","");
35 
36     $smtp[] = array("Subject: ".$subject.$lb,"","");
37 
38     foreach($hdr as $h) {$smtp[] = array($h.$lb,"","");}
39 
40     $smtp[] = array($lb,"","");
41 
42     if($bdy) {foreach($bdy as $b) {$smtp[] = array(base64_encode($b.$lb).$lb,"","");}}
43 
44     $smtp[] = array(".".$lb,"250","DATA(end)error: ");
45 
46     $smtp[] = array("QUIT".$lb,"221","QUIT error: ");
47 
48 
49     $fp = @fsockopen($smtp_host, 25);
50     if (!$fp) echo "Error: Cannot conect to ".$smtp_host."";
51     while($result = @fgets($fp, 1024)){
52         if(substr($result,3,1) == " ") { break; }
53     }
54 
55     $result_str="";
56 
57     foreach($smtp as $req){
58 
59         @fputs($fp, $req[0]);
60 
61         if($req[1]){
62 
63             while($result = @fgets($fp, 1024)){
64                 if(substr($result,3,1) == " ") { break; }
65             };
66             if (!strstr($req[1],substr($result,0,3))){
67                 $result_str.=$req[2].$result."";
68             }
69         }
70     }
71 
72     @fclose($fp);
73     return 1;
74 }
75 
76 
77 ?>

1 <?php
2 header("Content-Type: text/html; charset=utf-8");
3 include_once("mail.php");
4 send_mail("发件人", "收件邮箱","邮件标题"],"内容");
5 echo "<h1>邮件已发送</h1>";
6 ?>