Hi Darren Thanks very much
I have just noticed that the /var/spool/exim4/db/ratelimit.db has not been created ? and also when I do remove those files to recreate that directory it does not get created. I am guessing that I may be missing something ? or do I not need that. Thanks Ian On Mon, Dec 12, 2011 at 4:20 PM, Darran Coy <[email protected]> wrote: > Hi Ian, > > > > We’ve been runnin ratelimiting for a few years here. We’re current;y 4.72. > > > > Here's all our ratelimiting bits from out config file. If it helps... > > > > hostlist not_rate_limited = " 1.2.3.4" > > . > > . > > . > > > > #Ratelimit connections to try to eliminate more spam and phishing. > > # Darran January 2009 > > smtp_ratelimit_hosts = * > > smtp_ratelimit_mail = 2,0.5s,1.05,4m > > smtp_ratelimit_rcpt = 4,0.5s,1.05,4m > > > > begin acl > > . > > . > > . > > > > acl_check_rcpt: > > > > # Accept if the source is local SMTP (i.e. not over TCP/IP). We do this by > > # testing for an empty sending host field. > > > > accept hosts = : > > > > ########################################################## > > # New ratelimit stuff Added by Darran 1st March 2009 > > ########################################################## > > # Slow down fast remote senders; note the need to truncate $sender_rate > > # at the decimal point. > > defer message = Sorry, too much work. Come back later. > > ratelimit = 45 / 1h / per_rcpt / $sender_address > > hosts = !+relay_from_hosts : !+not_rate_limited > > log_message = Ratelimit: REMOTE Per user sender rate limit > $sender_rate / $sender_rate_period DEFERRED > > > > # System-wide remote rate limit > > defer message = Sorry, too busy. Try again later. > > ratelimit = 10 / 1s / $primary_hostname > > hosts = !+relay_from_hosts : !+not_rate_limited > > log_message = Ratelimit: REMOTE System rate limit exceeded > $sender_rate / $sender_rate_period DEFERRED > > > > # Slow down fast LOCAL senders; note the need to truncate $sender_rate > > # at the decimal point. > > defer message = Sorry, you are too fast. Wait a bit. > > ratelimit = 200 / 1h / per_rcpt / $sender_address > > hosts = +relay_from_hosts : !+not_rate_limited > > log_message = Ratelimit: LOCAL Per user sender rate limit > $sender_rate / $sender_rate_period DEFERRED > > > > # System-wide LOCAL rate limit > > defer message = Sorry, busy doing other things. Try again later. > > ratelimit = 20 / 1s / $primary_hostname > > hosts = +relay_from_hosts : !+not_rate_limited > > log_message = Ratelimit: LOCAL System rate limit exceeded > $sender_rate / $sender_rate_period DEFERRED > > > > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Ian > Porter > Sent: 12 December 2011 13:56 > To: [email protected] > Subject: Re: [exim] Ratelimit > > > > Hi All, > > > > Nah, does not seem to matter where I place these ratelimits > /etc/exim4/conf.d/30_exim4-config_check_rcpt > > or > > /etc/exim4/exim4.conf.template > > > > The messages still go through without any problems. Just to make sure I am > trying to send a mail from the local host to an remote email address will > these restrictions apply ? and also log in the /var/log/exim4/mainlog ? > > > > Regards > > Ian > > On Sat, Dec 10, 2011 at 12:41 PM, Jan Ingvoldstad <[email protected]> > wrote: > >> On Fri, Dec 9, 2011 at 22:39, Ian Porter <[email protected]> wrote: > >>> > >>> Hi All, > >>> > >>> I am trying to use the ratelimit to deny any more than 10 emails per > >>> second. I have tried adding this to the > >>> /etc/exim4/exim4.conf.template and also within the > >>> /etc/exim4/conf.d/acl/10_exim4_config-deny-ratecheck > >>> > >>> acl_deny_rate_check_exceptions: > >>> deny ratelimit = 10 / 1s / $primary_hostname > >>> log_message = Sorry, too busy, ratelimit > >>> > >>> > >>> But it does not do anything ? any advice ? > >> > >> Where do you call that ACL from? > >> > >> The rate limiting examples I have seen, and those I've used for > >> implementing them myself, are all placed in acl_check_rcpt, which is > >> where you want to have a check for per-rcpt limits. > >> > >> Example for authenticated users: > >> > >> acl_check_rcpt: > >> > >> warn ratelimit = 0 / 1h / strict > >> logwrite = :main: \ > >> Rate: $sender_rate/$sender_rate_period \ > >> $message_id \ > >> $sender_address > >> ($sender_host_name[$sender_host_address]) \ > >> -> $local_part@$domain > >> > >> # Authenticated users limited to 90 messages per minute > >> deny authenticated = * > >> ratelimit = 90 / 1m / strict / ${authenticated_id}_minute > >> message = Sending rate exceeded, > >> $sender_rate/$sender_rate_period \ > >> (max $sender_rate_limit/$sender_rate_period) > >> logwrite = :main,reject: \ > >> Rate exceeded: $sender_rate/$sender_rate_period \ > >> (max $sender_rate_limit) $message_id \ > >> $sender_address > >> ($sender_host_name[$sender_host_address]) \ > >> -> $local_part@$domain > >> > >> > >> > >> Example for a smarthost setup: > >> > >> # Relayed hosts limited to 180 messages per minute defer message = > >> Sending rate exceeded, $sender_rate/$sender_rate_period \ > >> (max $sender_rate_limit/$sender_rate_period) > >> ratelimit = 180 / 1m / ${primary_hostname}_minute > >> hosts = +relay_from_hosts > >> logwrite = :main: \ > >> Rate exceeded for remote system: > >> $sender_rate/$sender_rate_period \ > >> (max $sender_rate_limit) $message_id > >> [$sender_host_address] \ > >> -> $local_part@$domain > >> > >> -- > >> Jan > >> > >> -- > >> ## List details at https://lists.exim.org/mailman/listinfo/exim-users > >> ## Exim details at http://www.exim.org/ ## Please use the Wiki with > >> this list - http://wiki.exim.org/ > > > > > > > > -- > > Regards > > Ian Porter > > > > www: www.codingfriends.com > > > > -- > > ## List details at https://lists.exim.org/mailman/listinfo/exim-users > > ## Exim details at http://www.exim.org/ > > ## Please use the Wiki with this list - http://wiki.exim.org/ > > > > The University of Lincoln - a top performer in student satisfaction, > enjoying an unrivalled ascent through the University league tables, set in a > dynamic, research rich and vibrant campus in the heart of a great historic > student-friendly city. > > > The information in this e-mail and any attachments may be confidential. If > you have received this email in error please notify the sender immediately > and remove it from your system. Do not disclose the contents to another > person or take copies. > > Email is not secure and may contain viruses. The University of Lincoln makes > every effort to ensure email is sent without viruses, but cannot guarantee > this and recommends recipients take appropriate precautions. > > The University may monitor email traffic data and content in accordance with > its policies and English law. Further information can be found at: > http://www.lincoln.ac.uk/legal. -- Regards Ian Porter www: www.codingfriends.com -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
