[neomutt-users] Changing "from" based on message content

[Sven Guckes]

* Currie <currie at cryptolab.net> [2021-04-20 12:18]:
> I receive emails from the form-filler service formspree.
> Basically people fill out a form on my website
> and its sent via formspree to my inbox.
>
> Anyways, these emails contain the persons email and name in
> the body. So i would like, when i open one of these emails,
> to have the `from` address set to the persons email so that
> when i reply, i am replying to the person, not to formspree.
>
> How would one implement this?

so basically you get an email that's all wrong -
and you want mutt to correct it automatically.
i would opt to *not* add code to correct this.
because then you add more and more code to adjust
for problems created elsewhere and maybe in
a way that is not a solution for everyone.

it is best to fix the problem
at its root, ie fix formspree.

workaround #1:
use a mail filter (procmail,sieve) to change
the the From: line of the incoming message
before it gets delivered to your mailbox.
then simply reply to it.

workaround #2:
use "set edit_headers", reply, and
then use the power of your $EDITOR
to adjust the TO/CC in your reply.

you could present an example and maybe
we will find a workaround for it together.
(in vim i'd map something like a function key
 to search for the email address in the body,
 copy it, and place it into the TO: line.)

> Ideally it would be something like this
> message-hook '~f .*@formspree.io' 'set from=`parsemessage <$MESSAGE`'

the ".*" would not be required as this is a submatch.
and you would send the reply in the TO/CC lines
rather than using is as your own sender address.

Sven

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