Thank you very much, Tomas! Both are working for me now.

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dwrz|朱为文 

On 2016-12-27 18:24, Tomas Nordin wrote:

> David Wen Riccardi-Zhu <dwrz@dwrz.net> writes:
> 
>> When I run a search with notmuch (on Emacs), olders email are shown first
>> (at the top of the screen). This is inconvenient, since the majority of
>> my searches relate to more recent emails. Is there a way to flip the
>> output around, so that newer mails appear first?
> 
> Check out the variable notmuch-search-oldest-first. I have this set in
> my notmuch-config:
> 
> (setq notmuch-search-oldest-first t)
> 
> you should have
> 
> (setq notmuch-search-oldest-first nil)
> 
> I guess. Also, in a notmuch-search buffer, the effect of pressing o for
> me is to toggle the search order. C-h k o
> 
> o runs the command notmuch-search-toggle-order, which is an
> interactive compiled Lisp function in `notmuch.el'.
> 
> It is bound to o.
> 
> (notmuch-search-toggle-order)
> 
> Toggle the current search order.