fn server_login(state: &State, config: &Config) -> Option<Login>Expand description
The login the server’s folder is reached with: joined through the
server’s own sign-in (State::user), that login and its app password
from the keyring (loginflow::kept), whatever account the contacts and
calendars use; else the account’s, by its id, with its password. None
without either. The password for the requests only, never kept nor said.