I still use Gnus for mailing lists and Thunderbird for all direct email. Almost 20 years ago I spent more than 2 whole days to configure every detail of Gnus to

I still use Gnus for mailing lists and Thunderbird for all direct email. Almost 20 years ago I spent more than 2 whole days to configure every detail of Gnus to my liking and still use the same configuration mostly unchanged.