Re: [exim] Using GeoIP to block spammers - anyone?

On Jun 24, 2006, at 4:20 AM, Odhiambo G. Washington wrote:

> * On 23/06/06 15:28 -0600, Chad Leigh -- Shire.Net LLC wrote:
> |
> | On Jun 23, 2006, at 1:40 PM, Odhiambo G. Washington wrote:
> |
> | >I can explain. The server used to be advertised as MX for hundreds
> | >of domains I host. Then I decided to hide the box (DNS changes).
> | >Instead I advertised another box, but which I configured to do
> | >manual routing for these domains to the now "hidden" box.
> | >Spammers, in their hundreds, are still connecting to this hidden
> | >box despite a TTL of 24 hours. This is what I am grappling with.
> | >Call it "playing with".
> |
> | Can you just change the IP address of this box?
>
> Yes, I can, but it also means I change the same in some thousands of
> zone files, which is easy, but in the process, also deny service to
> my customers who have used an IP address in their MUA instead of
> the hostname.
> Using an IP address is a common workaround for folks who don't want
> to fix name resolution problems on their PCs ;)

But it is a one time (per person) support call to give them the new
address and if you alert them first and run dual IPs on the box for a
while you can probably avoid half of those too.

K.I.S.S.

Chad


---
Chad Leigh -- Shire.Net LLC
Your Web App and Email hosting provider
chad at shire.net