恐怕不会很容易吧，同样一封标题为“中文邮件”的纯文本和HTML格式邮件，其
源文件分别如下：
纯文本：
From: "Qiandong Young" <scgt@mail.sc.cninfo.net>
To: "young" <qdyoung@scgt.com>
Subject: =?gb2312?B?1tDOxNPKvP4=?=
Date: Tue, 27 Apr 1999 13:38:35 +0800
MIME-Version: 1.0
Content-Type: text/plain;
charset="gb2312"
Content-Transfer-Encoding: 8bit
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 4.72.3110.5
X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3110.3
中文HTML格式的邮件
HTML格式：
From: "Qiandong Young" <scgt@mail.sc.cninfo.net>
To: "young" <qdyoung@scgt.com>
Subject: =?gb2312?B?1tDOxNPKvP4=?=
Date: Tue, 27 Apr 1999 13:28:09 +0800
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary="----=_NextPart_000_0030_01BE90B1.CA962040"
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 4.72.3110.5
X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3110.3
This is a multi-part message in MIME format.
------=_NextPart_000_0030_01BE90B1.CA962040
Content-Type: text/plain;
charset="gb2312"
Content-Transfer-Encoding: quoted-printable
=D6=D0=CE=C4HTML=B8=F1=CA=BD=B5=C4=D3=CA=BC=FE
------=_NextPart_000_0030_01BE90B1.CA962040
Content-Type: text/html;
charset="gb2312"
Content-Transfer-Encoding: quoted-printable
<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
<HTML>
<HEAD>
<META content=3Dtext/html;charset=3Dgb2312 http-equiv=3DContent-Type>
<META content=3D'"MSHTML 4.72.3110.7"' name=3DGENERATOR>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT color=3D#000000 =
size=3D2>=D6=D0=CE=C4HTML=B8=F1=CA=BD=B5=C4=D3=CA=BC=FE</FONT></DIV></BOD=
Y></HTML>
------=_NextPart_000_0030_01BE90B1.CA962040--
