how to create embedded html email

I'd like to create an email with html formatting via a batch process in Linux using mailx. I can easily create an html doc using the right tags, but if I just send that as the message body I get an email showing the raw html.

How to I make it show the rendered html?
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Andrej PirmanCommented:
You need to properly format message as HTML, not just send HTML instead of mail body.
Try this converter (free) and you might see the propeer encoding:

Are you using Linux shell to batch convert?
Dave BaldwinFixer of ProblemsCommented:
This page shows how to use PHP to create a complete email with both text and HTML sections that uses the proper headers to identify each part.  Also includes attachments.  Without the Content-Type headers, HTML is not recognized.
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: 7bit

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jmarkfoleyAuthor Commented:
OK, I found 2 solutions:
$ senmail -t <<EOF
Date: Thu, 21 Aug 2014 01:14:29 -0400
Subject: test html
Content-Type: text/html


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... of course there are lots of way to pipe into sendmail.

Solution 2:
mutt  -e 'set content_type="text/html"' -s "test html" <my.html

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I like the 2nd method because I don't have to specify the time (having no Time: header tends to generate spam points in spamassassin) and I don't have to specify my sender email address. Basically, it works just like mailx except that I have a -e option in mutt to set the content type whereas (after exhaustive searching of the man page) there is no such option in mailx. Also, method 2 lets me create a standalone html file with no mail headers prepended.

Andrej Pirman: Your site looked interesting, but requires one to register first -- which I'm disinclined to do -- and also says the site does not work with IE, and I didn't really feel like firing up firefox in addition to registering. Besides, all I needed is one header, which Dave Baldwin listed, but really needed to know *how* to get that into my mail client.

Other comments before closing?

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jmarkfoleyAuthor Commented:
I found the solution I needed.
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