auth_login

# File lib/net/smtp.rb, line 740
    def auth_login(user, secret)
      check_auth_args user, secret
      res = critical {
        check_auth_continue get_response('AUTH LOGIN')
        check_auth_continue get_response(base64_encode(user))
        get_response(base64_encode(secret))
      }
      check_auth_response res
      res
    end