发送包含多个附件的电子邮件时遇到问题 . 这是代码:
<?php
if(isset($_POST['sendEmail']))
{
foreach($_FILES['uploadEmail']['error'] as $key=>$value){
if(!$_FILES['uploadEmail']['error'][$key]){
$target_path = "";
$target_path = $target_path . basename( $_FILES['uploadEmail']['name'][$key]);
if(move_uploaded_file($_FILES['uploadEmail']['tmp_name'][$key], $target_path)){
$files[] = $_FILES['uploadEmail']['name'][$key];
}
}
}
$toEmails = explode(",",$_POST['toEmail']);
$count = count($toEmails);
$i = 0; $j = 1; $k = 100;
$bcc = '';
while($i<$count){
$bcc .= $toEmails[$i].",";
if($j==$k || $i==$count-1){
$j=1;
//echo $bcc.'
'.$sub.'
'.$message.'
';
$from = 'test@gmail.com';
$sub = $_POST['subject'];
$message = $_POST['message'];
/////////////////////////
$headers = 'From:'. $from . "\r\n";
$headers .= "Bcc:". $bcc . "\r\n";
// boundary
$semi_rand = md5(time());
$mime_boundary = "==Multipart_Boundary_x{$semi_rand}x";
// headers for attachment
$headers .= "\nMIME-Version: 1.0\n" . "Content-Type: multipart/mixed;\n" . " boundary=\"{$mime_boundary}\"";
// multipart boundary
$message = "This is a multi-part message in MIME format.\n\n" . "--{$mime_boundary}\n" . "Content-Type: text/html; charset=\"iso-8859-1\"\n" . "Content-Transfer-Encoding: 7bit\n\n" . $message . "\n\n";
$message .= "--{$mime_boundary}\n";
// preparing attachments
for($x=0;$x<count($files);$x++){
$file = fopen($files[$x],"rb");
//echo "<br>".filesize($files[$x]);
$data = fread($file,filesize($files[$x]));
fclose($file);
$data = chunk_split(base64_encode($data));
$message .= "Content-Type: {\"application/octet-stream\"};\n" . " name=\"$files[$x]\"\n" .
"Content-Disposition: attachment;\n" . " filename=\"$files[$x]\"\n" .
"Content-Transfer-Encoding: base64\n\n" . $data . "\n\n";
$message .= "--{$mime_boundary}\n";
}
// send
/////////////////////////
mail('',$sub,$message,$headers);
$bcc = '';
}else{
$j++;
}
$i++;
}
}
?>
<html>
<head>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js"></script>
<script src="http://js.nicedit.com/nicEdit-latest.js" type="text/javascript"></script>
<script type="text/javascript">bkLib.onDomLoaded(function() {
new nicEditor().panelInstance('message');
// new nicEditor({fullPanel : true}).panelInstance('area2');
});</script>
</head>
<body>
<form method="POST" enctype="multipart/form-data">
<table>
<tr><td><label for="toEmail">Send To : </label></td><td><textarea id="toEmail" name="toEmail" cols="100" rows="10"></textarea></td></tr>
<tr><td><label for="subject">Subject : </label></td><td><input type="text" name="subject" id="subject" size="98"></td></tr>
<tr><td><label for="toEmail">Message : </label></td><td><textarea id="message" name="message" cols="100" rows="10"></textarea></td></tr>
<tr><td><label for="upload[]">Attachments:</label></td><td></td></tr>
<tr><td><label>1</label></td><td><input type="file" name="uploadEmail[]"></td></tr>
<tr><td><label>2</label></td><td><input type="file" name="uploadEmail[]"></td></tr>
<tr><td><label>3</label></td><td><input type="file" name="uploadEmail[]"></td></tr>
<tr><td><label>4</label></td><td><input type="file" name="uploadEmail[]"></td></tr>
<tr><td><label>5</label></td><td><input type="file" name="uploadEmail[]"></td></tr>
<tr><td><label>6</label></td><td><input type="file" name="uploadEmail[]"></td></tr>
<tr><td><label>7</label></td><td><input type="file" name="uploadEmail[]"></td></tr>
<tr><td><label>8</label></td><td><input type="file" name="uploadEmail[]"></td></tr>
<tr><td><label>9</label></td><td><input type="file" name="uploadEmail[]"></td></tr>
<tr><td><label>10</label></td><td><input type="file" name="uploadEmail[]"></td></tr>
<tr><td colspan="2" align="center"><input type="submit" value="Send Email" name="sendEmail" id="sendEmail"></td></tr>
</table>
</form>
<body>
</html>
我收到了邮件,但找不到附件 . 有谁知道什么可能是错的?
这是我收到的邮件正文:
MIME-Version: 1.0 Content-Type: multipart/mixed;
boundary="==Multipart_Boundary_x2d454346f03d2c19cfefc838ce4d8623x"
This is a multi-part message in MIME format.
--==Multipart_Boundary_x2d454346f03d2c19cfefc838ce4d8623x Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
ds fsdfsdfsdfsdfsdfsdfsf sffdfsdfsdfs fsdfdf sdf s
--==Multipart_Boundary_x2d454346f03d2c19cfefc838ce4d8623x Content-Type: {"application/octet-stream"}; name="/tmp/phpHFTvAw"
Content-Disposition: attachment; filename="Lighthouse.jpg"
Content-Transfer-Encoding: base64
--==Multipart_Boundary_x2d454346f03d2c19cfefc838ce4d8623x Content-Type: {"application/octet-stream"}; name="/tmp/phpyX67HR"
Content-Disposition: attachment; filename="Penguins.jpg"
Content-Transfer-Encoding: base64
--==Multipart_Boundary_x2d454346f03d2c19cfefc838ce4d8623x
2 回答
我建议使用PHPMailer发送带附件的邮件:
下载和文档:here .
答案
我在下面详细介绍了您的代码存在的一些问题 .
行结尾
电子邮件中的行由
CRLF
(\r\n
)序列分隔 . 目前还不清楚mail()
函数是否将\n
转换为\r\n
,但考虑到From:
和Bcc:
Headers 正在使用\r\n
,这些应该使用相同的 . 您的输出还表明行结尾可能丢失或格式错误 .从PHP Manual:
标头语法
删除大括号和引号:
此外,不推荐使用
name
参数,而是使用Content-Disposition
标头中的filename
参数 . 如果要保持它的向后兼容性,则应从中删除路径 . (您的输出表明您使用的是tmp_name
而不是name
) .分隔符
请注意,最终分隔符必须具有两个尾部破折号 . 在循环的开头插入分隔分隔符,并在循环后添加一个紧密分隔符:
请参阅下面的电子邮件语法部分 .
线长
请注意,电子邮件中存在行长度限制 . RFC 5322:
您可能希望缩短
Bcc
的缩短或介绍FWS (Folding White Space):其他问题
可能会或可能没有用的其他一些问题或通知:
最后一行与:
我假设
$target_path
应该初始化为上传目录 .通常,您不应允许随机用户提供外发电子邮件地址,但我怀疑这是受信任用户的内部应用程序 .
电子邮件语法
根据RFC 2046,这是多部分消息体结构的摘录 . (BNF语法略有简化 . )
破折号边界:=“ - ”边界
body-part:= MIME-part-headers [CRLF * OCTET]
封装:=分隔符
CRLF身体部位
分隔符:= CRLF破折号边界
close-delimiter:= delimiter“ - ”
参考文献
RFC 2822 Internet邮件格式(RFC 5322废弃)
RFC 5322 Internet Message Format
RFC 2045 (MIME) Part One: Format of Internet Message Bodies
RFC 2046 (MIME) Part Two: Media Types