Xu Wang <xuwang762@gmail.com> writes: > Dear David and Suvayu, > > Thank you for your ideas. My goal is to do something like the following: > notmuch search tag:reply-required and not tag:replied > > which was discussed here: > http://notmuchmail.org/pipermail/notmuch/2010/002558.html > This recent blog report looks related to your goal: https://tomasz.buchert.pl/blog/2015/06/14/notmuch-response/