[Dovecot] dnsbl feature for dovecot

Robert Schetterer rs at sys4.de
Thu Jul 4 11:38:50 EEST 2013


Am 03.07.2013 20:53, schrieb Reindl Harald:
> 
> 
> Am 03.07.2013 20:41, schrieb John Fawcett:
>> On 03/07/13 18:40, Benny Pedersen wrote:
>>> John Fawcett skrev den 2013-07-03 03:21:
>>>> dnsbl's are a popular method to prevent listed ips from making
>>>> connections to mta software.
>>>
>>> hmm are pop3/imap clients not authed users ?
>>>
>>> well done
>>>
>> in this case no, I am talking about connections from zombies
> 
> have fun - most RBL's contains a lot of dialup-addresses
> which makes sense to get rejected on a MTA until auth
> but stupid to block completly without abuse users
> 

just for info

a botnet check ip service was anounced

https://www.check-and-secure.com/ipcheck/_en/index.html

it seems that they have some db with botnet ips, with "ttl" 15 mins
but for sure this isnt a "traditional" rbl

however it shows some people work on that stuff



Best Regards
MfG Robert Schetterer

-- 
[*] sys4 AG

http://sys4.de, +49 (89) 30 90 46 64
Franziskanerstraße 15, 81669 München

Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263
Vorstand: Patrick Ben Koetter, Axel von der Ohe, Marc Schiffbauer
Aufsichtsratsvorsitzender: Florian Kirstein


More information about the dovecot mailing list