Re: [exim] open relay aftermath

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Szerző: Matthias-Christian Ott
Dátum:  
Címzett: Always Learning
CC: exim-users
Tárgy: Re: [exim] open relay aftermath
On Sun, Feb 13, 2011 at 06:39:37PM +0000, Always Learning wrote:
>
> On Sun, 2011-02-13 at 18:53 +0100, Matthias-Christian Ott wrote:
>
> > The problem is that the bots IP addresses come from dynamic
> > address pools and are changing.
>
> Do a WHOIS on the IP address and block the entire range for port 25.
>
> That is what I do for Taiwan.


That's against my firmest believes. If I block IP addresses, then a) just
temporarily and b) only the IP address and never a subnet with unrelated
hosts. Everyone can make mistake and should never be permanently blocked
or affect unrelated persons.

Regards,
Matthias-Christian