Daily Summary Plugin / digest mode: all categories? alternatives?

[thoka (Thomas Kalka)]

Restore Mailing List Mode Daily Summary

I did a fork which we have been using for some month: If there is interest to discuss it, I will open an appropriate thread. Additional features of this fork are: configuration options for categories, which should be included in the mailing user groups, which should be targeted in the mailing time of day, when the mailing should happen updatet mail template (with better support for dark mode) The main reason for using this plugin was to be able to promise users “one mail per day”. In…