Composing ask From: address and arbitrary keys in PGP

[Kevin J. McCarthy]

On Fri, Jul 26, 2019 at 05:12:08AM +0000, GTC at riseup.net wrote:
>1. When composing messages, mutt ask To: or recipient adress and 
>Subject: and then go to editor. How to make mutt ask for From: or 
>sender address only and then go to editor?

Mutt doesn't have an option for that.  Custom From headers can be 
controlled by folder-hook, reply-hook, send-hook, or even macros; 
typically via setting my_hdr.  $edit_headers is also useful.

See <http://www.mutt.org/doc/manual/#compose-flow> for a (somewhat 
terse) overview of message composition.

>2. In PGP, mutt has crypt_opportunistic_encrypt to select keys based on 
>To: address to the recipient. But PGP also need From: address or 
>sender's key to encrypt messages

Encrypting to self is controlled by $pgp_self_encrypt and 
$pgp_default_key.

>, sign messages

The signing key is also controlled by $pgp_default_key, and can be 
overridden by $pgp_sign_as or the compose <pgp-menu> "sign (a)s" option.

-- 
Kevin J. McCarthy
GPG Fingerprint: 8975 A9B3 3AA3 7910 385C  5308 ADEF 7684 8031 6BDA
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