我很难格式化多部分电子邮件，导致我查看的任何邮件程序都显示一个空白文档。有人知道我在这里做错了吗？
很抱歉，如果之前已经回答了这个问题......我尝试了其他一些人的答案，但未能解决我的问题。
提前致谢！
Delivered-To: omenjohn@gmail.com
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Fri, 22 Feb 2013 04:03:14 -0800 (PST)
X-Received: by 10.50.53.208 with SMTP id d16mr804024igp.5.1361534594250;
Fri, 22 Feb 2013 04:03:14 -0800 (PST)
Return-Path: <noreply@lab.dyndnds-ip.com>
Received: from smtp-out-02.shaw.ca (smtp-out-02.shaw.ca. [64.59.136.138])
by mx.google.com with ESMTP id xf7si2720052igb.40.2013.02.22.04.03.14;
Fri, 22 Feb 2013 04:03:14 -0800 (PST)
Received-SPF: neutral (google.com: 64.59.136.138 is neither permitted nor denied by best guess record for domain of noreply@lab.dyndnds-ip.com) client-ip=64.59.136.138;
Authentication-Results: mx.google.com;
spf=neutral (google.com: 64.59.136.138 is neither permitted nor denied by best guess record for domain of noreply@lab.dyndnds-ip.com) smtp.mail=noreply@lab.dyndnds-ip.com
X-Cloudmark-SP-Filtered: true
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Received: from Danielle-PC ([127.0.0.1])
by lab.dyndns-ip.com
; Fri, 22 Feb 2013 06:02:53 -0600
Message-ID: <04371205-4ED3-48B2-BDA8-A338DBCAE3D1@lab.dyndns-ip.com>
Subject: Automated Email
To:
From: Structure Agency <no-reply@lab.dyndns-ip.com>
Return-Path: Structure Agency <no-reply@lab.dyndns-ip.com>
Sender: Structure Agency <no-reply@lab.dyndns-ip.com>
Content-Language: en
MIME-Version: 1.0
Date: Fri, 22 Feb 2013 06:02:53 -0600
Priority: normal
Importance: normal
Content-Type: multipart/alternative; boundary="alt-boundary-1I6GTFY8"
--alt-boundary-1I6GTFY8
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
Plain text message!
--alt-boundary-1I6GTFY8
Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: 7bit
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8">
<title>Automated Email</title>
</head>
<body>
<p>Message in HTML!</p>
</body>
</html>
--alt-boundary-1I6GTFY8
答案 0 :(得分：3)
我很确定最后一个边界需要“ - ”添加到最后。
希望有所帮助， 斯图尔特