On 30 Aug 2013, at 08:29, exial <[email protected]> wrote:
> hello list,
>
> with reference to outgoing (authenticated) spam - is there a possibility to
> combine dnslists with a ratelimit within a warn block?
>
> in other words setting lower outbound ratelimits (eg 10/1h) when sending host
> is on eg sbl/xbl.spamhaus.org.
>
> kind regards
> max
Yes, you can put this all in an ACL. We do something similar, except that we
apply it to all non-local IP addresses. Oh, and to our Exchange server since it
steadfastly refuses to tell us where the message sender was!
You might want to do something like this. Or you may prefer to use the sender
IP address as the rate-limit key.
deny
dnslists = rbl-plus.mail-abuse.ja.net
# ignore bounces, because $sender address won't be set
! senders = :
# let people spam our partner domains if they like
! domains = +local_domains : +partner_domains
# set an error message
message = please do not spam
# limit stuff
ratelimit = 10 / 1h / per_rcpt / strict / rbl-lim-$sender_address
--
Ian Eiloart
Postmaster, University of Sussex
+44 (0) 1273 87-3148
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