[Mimedefang] Greylisting netmask

[Steffen Kaiser]

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On Mon, 5 Feb 2007, Jonas Eckerman wrote:

> I use a /24 mask (actually, just a regex on the address string).
> I do this before storing in the greylist, so only the first three bytes of the address are actually stored in the greylist table.
>
> I also have a separate table with full addresses of hosts that has 
> retried and passed the greylist. Hosts in that table are not greylisted 
> at all (until their entry expires).
>

One question:

scenario a)
A big hoster has multiple outbound servers; a message retried may be 
issued by any of them.

scenario b)
An ISP has multiple dynamic IP addresses.

How do you differ both scenarios?

Bye,

- -- 
Steffen Kaiser
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