From: David Bremner <david@tethera.net>
To: mailinglists@nawaz.org, notmuch@notmuchmail.org
Subject: Re: Modify message after send...?
In-Reply-To: <878uacpwse.fsf@fester.com>
References: <878uacpwse.fsf@fester.com>
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Date: Sun, 19 Jul 2015 09:59:44 +0200
Message-ID: <87a8uswpan.fsf@maritornes.cs.unb.ca>
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mailinglists@nawaz.org writes:

> BTW, all I really want to do is modify the From: field based on the
> recipients (for every email, with no default From). I'll welcome
> suggestions for existing ways to do that. I Googled a little, but didn't
> find a clear good solution. Furthermore, I expect over time the rules by
> which I pick the From: field will get more complex than my knowledge of
> Elisp.

I'm afraid it's a bit "some-assembly-required", but let me mention one
possible solution.

At least if you just want to have a regular expression match on the
recipient, then the example configuration in message-templ [1] may be
enough to get you started. You'd have to either call
message-templ-config-exec in a hook, or bind it to a key and call it
manually to set up the headers before sending.

[1]: http://pivot.cs.unb.ca/git?p=message-templ.git;a=tree