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";