I use mu4e. As an example, the code for the subject thing is here https://github.com/bergheim/dotfiles/blob/025b8e6c9730f09fe1f9df6d3f2ceb9d69d413e1/.config/doo

I use mu4e. As an example, the code for the subject thing is here https://github.com/bergheim/dotfiles/blob/025b8e6c9730f09fe1f9df6d3f2ceb9d69d413e1/.config/doom/%2Bmu4e.el#L87 https://github.com/bergheim/dotfiles/blob/025b8e6c9730f09fe1...