johnea:
> Hello Wietse,
>
> Is it possible to use this to DNSBL check URLs present in the body of an
> email? (pre-queue)
As described in my posting, the dnxsl query is an IP address, a
domain name, or an email address.
So the answer is "yes" when your email contains only lines of text
with exa
Kai Krakow:
> >> smtpd_client_event_limit_exceptions = dnsxl:xbl.spamhaus.org
> >
> > Except that this does not block AUTH commands. Currently all that
> > smtpd_client_event_limit_exceptions does is not announce AUTH support
> > in the EHLO response.
>
> Hey thanks, I love the potential of t
Am 09.06.2014 22:17, schrieb johnea:
> On 06/09/2014 11:48 AM, Wietse Venema wrote:
>> Wietse Venema:
>>> By itself, dnsxl maps may be useful in contexts that perform "list
>>> membership" lookup such as smtpd_client_event_limit_exceptions,
>>> where the lookup result value is ignored, For exampl
On 06/09/2014 11:48 AM, Wietse Venema wrote:
> Wietse Venema:
>> By itself, dnsxl maps may be useful in contexts that perform "list
>> membership" lookup such as smtpd_client_event_limit_exceptions,
>> where the lookup result value is ignored, For example, to prevent
>> password brute-forcing from
Wietse Venema schrieb:
> Wietse Venema:
>> By itself, dnsxl maps may be useful in contexts that perform "list
>> membership" lookup such as smtpd_client_event_limit_exceptions,
>> where the lookup result value is ignored, For example, to prevent
>> password brute-forcing from bot-infected systems
Wietse Venema:
> By itself, dnsxl maps may be useful in contexts that perform "list
> membership" lookup such as smtpd_client_event_limit_exceptions,
> where the lookup result value is ignored, For example, to prevent
> password brute-forcing from bot-infected systems:
>
> smtpd_client_event_l
Wietse Venema:
> I could rip out the DNSBL client code from the Postfix SMTP daemon
> source code and make it available as 1) a lookup table to all programs
> 2) a library module that implements the underlying DNS client code.
I played with this idea over the weekend while taking breaks from
chore
