Hi all,
On Mon, 8 Mar 2010, Jakob Hirsch wrote:
> Lena@???, 2010-03-08 14:04:
>
>> and whitelist few senders which can resend a letter from other
>> IP-addresses in a block larger than /24. I.e. use
>> ${sg{$sender_host_address}{\N\.\d+$\N}{}} for greylisting instead of
>> $sender_host_address .
>
> Or, don't greylist the whole world by default, but only suspicious
> connections, e.g. hosts listed in some dnslist (you can be very generous
> about choosing them then), with unusual HELO/EHLO or from IPs which seem
> to be dynamic. Works very fine here.
Or, join Jaco Kroon's distributed greylist system, which is already
whitelisting most such hosts (e.g. Hotmail, Yahoo, Gmail) and in turn
contribute your own whitelist data.
http://www.mail-archive.com/exim-users@exim.org/msg33805.html
Works very fine here :)
Cheers, Chris.
--
_ ___ __ _
/ __/ / ,__(_)_ | Chris Wilson <0000 at qwirx.com> - Cambs UK |
/ (_/ ,\/ _/ /_ \ | Security/C/C++/Java/Perl/SQL/HTML Developer |
\ _/_/_/_//_/___/ | We are GNU-free your mind-and your software |
