refer to man pages or these convenient unofficial docs

keybindings

keys are case sensitive. everything is vim-style

  • j/k (lowercase) to move down/up the list of emails
  • J/K (uppercase) to move down/up the folder sidebar
  • ctrl+n to move to next tab/account
  • ctrl+p to move to last tab/account
  • enter to open a message
  • q to quit whatever you’re on

commands

type a colon (:) to open command view, vim-style

  • cf $folder to change folder (replace $folder)
  • compose to write an email
  • help to open man pages

other

  • / to search (like less)