Quoting Austin Clements (2012-03-22 22:39:07)
>> 2. I received a message that was addressed to a distribution group and
>>    tried to reply.  Because the TO: address is not my address, notmuch
>>    fails to guess the proper FROM: address to set.  Is there a way to
>>    handle this use case?  This is with the emacs notmuch client.
>
>Not in general, since notmuch doesn't know where the mail was
>addressed to.  I believe some people have solved problems like this
>using Emacs hooks, but I don't know the details.

Does the notmuch CLI not use the 'Delivered-To' header for this?
/p