On 2023-06-02 14:06, steve wrote: > >You could filter on the Date: header with a regex. > > ~h'Date:.* [1] [A-Z]' > > Now how could I invert this in order to delete all other messages?
I'd likely tag *all* messages: shift+t . enter then control+t to untag the pattern above control+t ~h'Date:.* [1] [A-Z]' enter which should leave the unwanted messages tagged, letting you use semicolon d -tkc
