On Thu, 22 Dec 2011 21:45:14 +0100, Xavier Maillard <xma@gnu.org> wrote:
> Hi,
> 
> In order to clean up and to trash out as many posts as possible in
> several mailing lists I did not check lately, I am trying to find a way
> to limit the current display to messages matching this requirements:
> 
> 1. post older than 1 month

See the last paragraphs of 'notmuch help search-terms'.

Some people use lisp to generate the timestamp ranges in searches.

There's an old draft patchset for user friendly date range searches
[1]. I am writing a better one, but that's very much a low priority
background process. It's not too far from surpassing the earlier version
in quality, though.

BR,
Jani.

[1] id:"cover.1312964528.git.jani@nikula.org"