    # File lib/vmail/imap_client.rb, line 19
        def initialize(config)
          @username, @password = config['username'], config['password']
          @name = config['name']
          @signature = config['signature']
          @mailbox = nil
          @logger = Logger.new(config['logfile'] || STDERR)
          @logger.level = Logger::DEBUG
          @imap_server = config['server'] || 'imap.gmail.com'
          @imap_port = config['port'] || 993
          @current_mail = nil
          @current_message_uid = nil
          @width = 140
        end