On 8 Feb 2005, at 16:57, Colm Buckley wrote:
>> Does this apply to _all_ messages received by dagda, or only the first
>> message from a given host?
>> Greylists are maintained on the triple (client_ip, source_address,
> destination_address). The first time each triple is encountered, it's
> bounced with a 450. If the same triple is encountered again within
> 300 seconds, it's bounced with a 450. When 300 seconds have elapsed,
> it will be accepted.
I like this idea, and Colm has said in IRC that it has made a
noticeable difference to the load on dagda (the linux.ie server).
However, I've just been thinking that our spam problem is now causing
extra load on every server which contacts us. How bad is that? I don't
really know.
Niall
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