Attach file with mailto

There seem to be several articles that suggest this is possible but I have not found any that actually work.

<a href="mailto:email@address.com?subject=Subject&attach=path">

Where attach is either attach or attachment and path is full path to local file with or without double quotes.

There is also the method of using a form to POST to a mailto address as per HTML Goodies - couldn't get that to work either.

All I want to do is attach a text file OR put the base64 equivalent in the body. The base64 part is easy - however using the GET approach is problematic because of the length restriction on the URL - my string is 30K.

Anyone managed to get this to work?
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Julian HansenAsked:
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KimputerCommented:
In both RFC 2368 and RFC 6068, the word "attachment" is not mentioned once. Trying to get it to work is quite futile, and a security risk to boot (which is probably why it was never included in the RFC)
What you are reading in the articles might have been a few flukes where the mail client was "willing" to interpret the attachment keyword. Probably they saw their fault in this security risk and removed this feature in their newer versions of the software.

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Dave BaldwinFixer of ProblemsCommented:
It may have worked many years ago but I would not expect that to work now, especially in IE which is very restrictive about what it passes to the email program.
Julian HansenAuthor Commented:
Thanks for the responses - confirms what I have found - just wanted to make sure the bases are covered.
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