> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
On
> Behalf Of Edgar Lovecraft
> Sent: Thursday, June 04, 2009 3:33 PM
> To: exim users
> Subject: [exim] Ratelimit Examples
>
> I may just be missing this somewhere, but has anyone put together a
> collection of ratelimit examples that are actually used in production?
>
[Darran Coy]
I couldn't find any single source.
But here's our snippets, that I found somewhere, if you want a first
start crib...
smtp_ratelimit_hosts = *
smtp_ratelimit_mail = 2,0.5s,1.05,4m
smtp_ratelimit_rcpt = 4,0.5s,1.05,4m
# Slow down fast remote senders;
defer message = Sorry, busy.
ratelimit = 30 / 1h / per_rcpt / strict
hosts = !+relay_from_hosts
log_message = Ratelimit: REMOTE Per user sender rate limit
$sender_rate / $sender_rate_period DEFERRED
# System-wide remote rate limit
defer message = Sorry, busy.
ratelimit = 10 / 1s / $primary_hostname
hosts = !+relay_from_hosts
log_message = Ratelimit: REMOTE System rate limit
exc$sender_rate / $sender_rate_period DEFERRED
# Slow down fast LOCAL senders;
defer message = Sorry, busy.
ratelimit = 20 / 1h / per_rcpt / strict
ratelimit = 60 / 1h / per_rcpt / $sender_address
hosts = +relay_from_hosts
log_message = Ratelimit: LOCAL Per user sender rate limit
$sender_rate / $sender_rate_period DEFERRED
# System-wide LOCAL rate limit
defer message = Sorry, busy.
ratelimit = 20 / 1s / $primary_hostname
hosts = +relay_from_hosts
log_message = Ratelimit: LOCAL System rate limit exc$sender_rate
/ $sender_rate_period DEFERRED
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