Search using email headers does not work
Carl Worth
cworth at cworth.org
Tue Feb 12 11:57:43 PST 2013
Michal Vyskocil <mvyskocil at suse.cz> writes:
> I like such idea - but how hard would be to add a config options to
> extend a list of default headers used for indexing?
Not hard.
Obviously, notmuch is already indexing some headers, (From, Date, To,
Subject), and it wouldn't be hard to index more. [*]
List-Id has been proposed often enough that it should probably be on by
default.
Then, there are other, slightly more special-case headers, (like headers
added by spam filtering software), that probably would be best added on
an opt-in basis based on a configuration option.
-Carl
[*] The existing set of indexed headers is really just historical
accident based on two things:
1. I was originally writing index code to match sup's index building, so
I focused on the headers sup indexed.
2. I wrote code to index enough headers to satisfy my use case.
It's embarrassing to me that I added this note to the notmuch TODO file
in October 2009 (and it's still there):
Add support for the user to specify custom headers to be indexed.
--
carl.d.worth at intel.com
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