RFC3156: "application/pgp-keys" support enigmail, gnus etc

[Uwe Brauer]

Hi according to 
http://tools.ietf.org/html/rfc3156


A pgpmime signed message contains lines such as

Content-Type: multipart/signed; boundary="=-=-=";
	micalg=pgp-sha1; protocol="application/pgp-signature"

While an attached key should look like 
Content-Type: application/pgp-keys
   Required parameters: none
   Optional parameters: none

   A MIME body part of the content type "application/pgp-keys" contains
   ASCII-armored transferable Public Key Packets as defined in [1],
   section 10.1.

I just implemented such a feature for gnus in Xemacs, but it seems that
enigmail does not recognise the key! Does anybody know whether other MUA
support this format?

thanks

Uwe Brauer 
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