如何使用system.net.mail发送不可替代的多个部件
如何使用system.net.mail发送不可替代的多个部件
提问于 2015-01-05 22:27:41
我有电子邮件的多部分/混合体，其中包括嵌套的多部分/相关部分与Html部分和相关的图像部分。有没有办法将这些电子邮件构建为MailMessage实例的System.Net.Mail？
这不是一个交替的问题。
- 多部分/混合1.1。多部分/相关1.1.1。text/html 1.1.2图像/gif 1.2多部分/相关1.2.1。text/html 1.2.2图像/gif
1.1.1与1.1.2有关。但与1.2.2无关。1.1.1和1.2.1是单独的html机构。
我在下面贴了一个样本信息。
Message-ID: <mhtml-11@dsv.su.se>
Date: Wed, 04 Apr 2000 04:18:00 +0200
From: MHTML <mhtml@dsv.su.se>
MIME-Version: 1.0
To: mhtml@dsv.su.se
Subject: Test message no. 11
Content-Type: multipart/mixed; boundary="==boundary-2"
--==boundary-2
Content-Type: multipart/related; boundary="==boundary-1"; type="text/html"
Content-Location: http://www.dsv.su.se/jpalme/mimetest/
Text displayed only to non-MIME-compliant mailers
--==boundary-1
Content-Type: text/html; charset=us-ascii
Content-Transfer-Encoding: 7bit
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
<HTML>
<HEAD><TITLE>Test message no. 11 first part</TITLE>
</HEAD>
<BODY>
<H1>This is test message no. 11 first HTML part</H1>
<H2>Here comes the red test image:</H2>
<IMG SRC="http://www.dsv.su.se/jpalme/mimetest/red-test-image.gif"
BORDER=0 HEIGHT=32 WIDTH=117 ALT="red test image">
<P>This is the last line of this test message.
</BODY></HTML>
--==boundary-1
Content-Type: image/gif
Content-ID: <image1.mhtml-11@dsv.su.se>
Content-Location: http://www.dsv.su.se/jpalme/mimetest/red-test-image.gif
Content-Transfer-Encoding: base64
Content-Disposition: inline; filename="red-test-image.gif"
R0lGODlhdQAgAPcAAP//////zP//mf//Zv//M///AP/M///MzP/Mmf/MZv/MM//MAP+Z//+Z
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--==boundary-1--
--==boundary-2
Content-Type: multipart/related; boundary="==boundary-1"; type="text/html"
Content-Location: http://www.dsv.su.se/jpalme/mimetest/
Text displayed only to non-MIME-compliant mailers
--==boundary-1
Content-Type: text/html; charset=us-ascii
Content-Transfer-Encoding: 7bit
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
<HTML>
<HEAD><TITLE>Test message no. 11 second part</TITLE>
</HEAD>
<BODY>
<H1>This is test message no. 11 second HTML part</H1>
<H2>Here comes the yellow test image:</H2>
<IMG SRC="cid:image2.mhtml-11@dsv.su.se" BORDER=0 HEIGHT=32 WIDTH=152
ALT="yellow test image">
<P>This is the last line of this test message.
</BODY></HTML>
--==boundary-1
Content-Type: image/gif
Content-ID: <image2.mhtml-11@dsv.su.se>
Content-Transfer-Encoding: base64
Content-Disposition: inline; filename="yellow-test-image.gif"
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--==boundary-1--
--==boundary-2--回答 1
Stack Overflow用户
发布于 2015-01-16 08:00:12
您可以使用一些免费的库，检查MailMessagesExamples.zip：http://www.lumisoft.ee/lswww/download/downloads/Examples/
或者谷歌其他图书馆。
Mime是相当复杂的，从字符串编写有效的消息是很困难的，是一些unicode字符内部。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/27788986
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