cus*_*man 25
来自Moin Zaman的链接显示了过时的测试结果(从2008年开始).从我今天的全面测试开始,Gmail确实支持为这两种方法显示嵌入式图像.
使用内嵌的base64编码图像 <img src="...">
<html><body><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAA9QAAADmCAIAAAC77FroAAAAAXNSR0IArs4c6QAAAAlwSFlzAAAO..."></body></html>
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使用base64编码的图像作为附件
Message-ID: <BE0243A40B89D84DB342702BC5FD6D313EA3BE1B@BYMAIL.example.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach: yes
X-MS-TNEF-Correlator:
x-originating-ip: [xxx.xxx.xxx.xxx]
Content-Type: multipart/related;
boundary="_038_BE0243A40B89D84DB342702BC5FD6D313EA3BE1BBYMAIL_";
type="multipart/alternative"
MIME-Version: 1.0
Return-Path: email@example.com
X-OriginatorOrg: example.com
--_038_BE0243A40B89D84DB342702BC5FD6D313EA3BE1BBYMAIL_
Content-Type: multipart/alternative;
boundary="_000_BE0243A40B89D84DB342702BC5FD6D313EA3BE1BBYMAIL_"
...skipping Content-Type: text/plain which would be here for this example...
--_000_BE0243A40B89D84DB342702BC5FD6D313EA3BE1BBYMAIL_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
<html><body><img border=3D"0" width=3D"980" height=3D"230" id=3D"Picture_x0020_1" src==3D"cid:image001.png@01CDA268.204677C0"></body></html>
--_000_BE0243A40B89D84DB342702BC5FD6D313EA3BE1BBYMAIL_--
--_038_BE0243A40B89D84DB342702BC5FD6D313EA3BE1BBYMAIL_
Content-Type: image/png; name="image001.png"
Content-Description: image001.png
Content-Disposition: inline; filename="image001.png"; size=32756;
creation-date="Mon, 08 Oct 2012 15:27:07 GMT";
modification-date="Mon, 08 Oct 2012 15:27:07 GMT";
Content-ID: <image001.png@01CDA268.204677C0>
Content-Transfer-Encoding: base64
iVBORw0KGgoAAAANSUhEUgAAA9QAAADmCAIAAAC77FroAAAAAXNSR0IArs4c6QAAAAlwSFlzAAAO
xAAADsQBlSsOGwAAf5lJREFUeF7tvQlgVdW18L+ZR20mpsSLCYlBQKwgwRCMr9TAqzg0CAl98Y9a
ikBfHxL1A/r0tUr77Feg1mDav4LUijxTk8hLRIstQ2mJhEiAWAEpNCGRa8KUSQXCzLf2cOZz7j33
5s5Zx6j3nruHtX97n33WWWfttbtdv36d4IEEkAASQAJIAAkgASSABJCA/wl0938VWAMSQAJIAAkg
ASSABJAAEkAClAAq3zgOkAASQAJIAAkgASSABJBAgAig8h0g0FgNEkACSAAJIAEkgASQABJA5RvH
...
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要进行自己的测试,您可以使用以下技术之一发送带有嵌入式嵌入式图像的电子邮件
使用上述某个方式向您的Gmail帐户发送电子邮件,然后在Gmail Web客户端(任何可用的浏览器)中打开电子邮件,并使用"回复"按钮旁边的向下箭头选择"显示原始"选项.这将告诉你如何收到它.
我认为最佳实践是使用嵌入式图像作为附件方法.
在我使用Gmail网络客户端进行的测试中,如果我在一封不同尺寸的电子邮件中发送了30张图片,则有一些图片无法成功显示图片容器而非图片.如果发生这种情况,请尝试重新加载页面.
在我的测试中(Windows 7)...
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