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Re: Password sending mail only once

From: Richard Riley
Subject: Re: Password sending mail only once
Date: Sun, 11 Oct 2009 08:12:18 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)

The basics of the password caching are bits with "cache" in them below -
as with all systems (well, Linux ones..) the devil is in the details of
how they deal with things like gpg-agent. Unfortunately Linux distros
tend to do things differently but the "same" kind of ... I battled like
hell with gpg-agent because of the way apps pick up how to talk to

Bottom line : you need a caching agent. Google up "password cache
agent" with your distro name and throw in emacs too and ...

The mml2015 stuff really confused me a while back because documentation
was thin on the ground and I really didnt know whether to use epa or
whatever. It was kind of in a transition phase at the time.

I suspect if you post your emacs version someone out there will have a
set up for you.



Torben Knudsen <> writes:

> Richard Riley <> writes:
> Thanks for the below advice.  I am a bit squared that it will take me
> some time to make the below work for me.  Isn't there a simpler
> solution?
>> Torben Knudsen <> writes:
>>> Some time ago I was asked for a password when sending mail only the
>>> first time in a gnus session.  Now I am asked every time I send a
>>> mail.  
>>> How can I get back to only given the password once?  
>>> I prefer solutions with out storing password anywhere.  Given it once
>>> is what I prefer.
>>> I have found some info on the net but nothing I could handle with my
>>> limited skills.
>> With emacs 23 I have the following set up:
>> ,----
>> | ;; encryption stuff
>> | (require 'auth-source)
>> | (require 'epa-file)
>> | (setq epa-file-cache-passphrase-for-symmetric-encryption t) ;;VERY 
>> Important
>> | (if (file-exists-p "~/.authinfo.gpg")
>> |     (setq auth-sources '((:source "~/.authinfo.gpg" :host t :protocol t)))
>> |     (setq auth-sources '((:source "~/.authinfo" :host t :protocol t))))
>> | ;; no idea whats needed with mm2015 : the documentation is sparse
>> | (setq 
>> |       mml2015-encrypt-to-self t
>> |       mml2015-cache-passphrase t
>> |       mml2015-passphrase-cache-expiry 60
>> |       mml2015-verbose t)
>> `----
>> And in my gnus-posting-style something like
>> ,----
>> | (setq gnus-posting-styles `((".*"
>> |                        (name "Richard Riley")
>> |                        (from "Richard Riley <>")
>> |                        (eval(setq gnushush-user-agent-header (quote real)))
>> |                        (signature-file "~/.emacs.d/.sigs/rgr.sig")
>> |                        (eval (setq mml2015-signers '("b39d104a")))
>> |                        (organization "aich tea tea pea dicky riley dot 
>> net"))))
>> `----
>> It's been a while since I went through to remove the wheat from the
>> chaff but the mml2025 (what!?) set are key for signing I think.
>> For caching the password my setup uses gpg-agent. The only messy thing I
>> found was the need to export the required environment variables in order
>> that things like emacs knew which cache process to talk to. For that I
>> used 
>> ,----
>> | keychain && . $HOME/.keychain/$HOSTNAME-sh-gpg > /dev/null 2>&1 
>> `----
>> keychain takes care of using an existing agent or starting one if
>> necessary in .bash_env on my system. It might be unnecessary on a cleaner set
>> up. It caused quite a lot of frustration back when I got this
>> working. Hopefully enough to get you going,
>> regards
>> r.

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