Mail tags - delete tags, customize / edit tag name, color

Hi, how can I delete tags, customize / edit tag name, color? Thanks

And additional:

  • the same tags/colors for all users (maybe sync mode?)
  • some colors not good (light grey + white font).

you can change the labels but not the color at the moment Tagging: Add color picker ยท Issue #5084 ยท nextcloud/mail ยท GitHub