How to show fingerprint in email header?

Werner Koch wk at
Thu Jun 8 17:10:16 CEST 2017

On Thu,  8 Jun 2017 15:05, satoshi at said:


Here is what I use:

  OpenPGP: url=

This is a complete URL of our dedicated keyserver with the finperint
appended.  How to configure this depends on your mailer.  I do this in

--8<---------------cut here---------------start------------->8---
(setq gnus-posting-styles
	 (name "Werner Koch")
	 (address "wk at" )
         ("OpenPGP"  "url=" )
         ("X-message-flag" "Mails containing HTML will not be read!\n\t Please send only plain text.")
	 (organisation "The GnuPG Project")
          "Die Gedanken sind frei.  Ausnahmen regelt ein Bundesgesetz.")
--8<---------------cut here---------------end--------------->8---

(X-message-flag is a hack for Outlook users ;-)

However, I would much more like to see adoption of the Web Key Directory
which makes it much easier to find the right key.  If you are using
GnuPG 2.1 you can add 

--8<---------------cut here---------------start------------->8---
auto-key-locate local
auto-key-locate wkd
auto-key-locate dane
--8<---------------cut here---------------end--------------->8---

to your gpg.conf to enable it.  The fallback to DANE is optional; I
doubt that is much more deployed than WKD.  Note that WKD (and DANE)
contact the server of the mail provider, so they know that you will send
an encrypted mail - but that is something they will see
anyway.  Workaround is as usual Tor ("use-tor" in dirmngr.conf)



Die Gedanken sind frei.  Ausnahmen regelt ein Bundesgesetz.
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