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I am sending HTML emails with embedded images (as attachments) and the images display as expected in GMail. However they also show up as attachments under the email. Does anyone know how to avoid this i.e. I want them in the email only and not listed as attachments. I have used "Content-Disposition: inline". I am using Spring and JavaMail.
Here is what my mails end up like. Can anyone see whats wrong?
Delivered-To: ...
...
Subject: ...
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="----=_Part_0_1248835444.1288246311187"
------=_Part_0_1248835444.1288246311187
Content-Type: multipart/related;
boundary="----=_Part_1_592250078.1288246311197"
------=_Part_1_592250078.1288246311197
Content-Type: text/html; charset=us-ascii
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
<html>
<body>
<p><img src="cid:a0"/></p>
</body>
</html>
------=_Part_1_592250078.1288246311197
Content-Type: image/x-png
Content-Transfer-Encoding: base64
Content-Disposition: inline
Content-ID: <a0>
iVBORw0KGgoAAAANSUhEUgAAAPAAAABQCAYAAAAnSfh8AAAACXBIWXMAAC4jAAAuIwF4pT92AAAA
...
Qcz8hzyUxqGHjkNbsY4Df5iBg6OIwafQHBxFjP8PAIwl43uhncLdAAAAAElFTkSuQmCC
------=_Part_1_592250078.1288246311197--
------=_Part_0_1248835444.1288246311187--
581
It is possible to get such a mail body out of GMail by following these steps:
I did this and got following result, where the image is not listed as attachement. Maybe this mail body helps you to create a proper mail with Spring and JavaMail:
MIME-Version: 1.0
...
Subject: ...
From: ...
To: ...
Content-Type: multipart/related; boundary=000e0cd62fb69a9c280493a7a1c0
--000e0cd62fb69a9c280493a7a1c0
Content-Type: multipart/alternative; boundary=000e0cd62fb69a9c250493a7a1bf
--000e0cd62fb69a9c250493a7a1bf
Content-Type: text/plain; charset=ISO-8859-1
[image: abc.png]
--000e0cd62fb69a9c250493a7a1bf
Content-Type: text/html; charset=ISO-8859-1
<img src="cid:ii_12bf191c5eab934e" alt="abc.png" title="abc.png"><br>
--000e0cd62fb69a9c250493a7a1bf--
--000e0cd62fb69a9c280493a7a1c0
Content-Type: image/png; name="abc.png"
Content-Transfer-Encoding: base64
Content-ID: <ii_12bf191c5eab934e>
X-Attachment-Id: ii_12bf191c5eab934e
iVBORw0KGgoAAAANSUhEUgAAAJ4AAADLCAIAAAAQpL1oAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA
...
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