That looks like it will work just fine. As an fyi, you can also use fail2ban to ratelimit exim and IMAP authentication attempts which then, in turn, uses your iptables firewall to block the offending IP address while it is ratelimited. Gordon On 04/14/2014 03:58 AM, Terry wrote:

Hi I just wanted to check if I want to rate limit and block authenticated senders with a run away virus can I just pop this in

acl_check_rcpt: # Keep authenticated users under control deny authenticated = * ratelimit = 100 / 1d / strict / $authenticated_id log_message = Sender $sender_address Emails sent $sender_rate Your limit is Per day is $sender_rate_limit

I did test it on a standard exim install and seemed to work fine. Pretty much straight off the exim manual or does exim4u all ready have some thing in place for this ?

Thanks Terry

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