[exim-ratelimit]
enabled  = true
port     = smtp,ssmtp,imap2,imap3,imaps,pop3,pop3s,submission
filter   = exim-ratelimit
action   = mail-ratelimit
logpath  = /var/log/exim4/rejectlog tail
maxretry = 1
findtime = 60
bantime  = 3600