ratelimit {
	rates {
		to = "100 / 1s";
		to_ip = "100 / 1s";
		to_ip_from = "100 / 1s";
		bounce_to = "100 / 1h";
		bounce_to_ip = "7 / 1m";
	}
	whitelisted_rcpts = "postmaster,mailer-daemon";
	max_rcpt = 25;
	info_symbol = "RATELIMITED";
}