Re: [exim] ratelimit on dnsbl offenders?

Eduardo M KALINOWSKI wrote:
> B. Cook wrote:
>> Our school has recently been contacted by SpamHaus b/c we are making too
>> /soo many queries.
>>
>> After thinking about things and looking at the offenders that keep
>> coming back time and time again only to be rejected..
>>
>
> Do you have a caching nameserver installed? That should eliminate
> repeated queries of the same host in short intervals.
>


Yes we run powerdns-recursor as our recursive.

I'm looking to stop asking for say 8 hours after they are found on a
list, not making the asking faster.

We used to have zen.spamhaus as the first dnsbl, but now we put it after
the helo checks in the acl_smtp_rcpt.

This seems to help.