On 2016-12-16 Clint Pachl wrote:
[...]
> What would be
> best is if we could blacklist these spammers upon first connection
I also wanted to just-in-time decisions, but with dnswl lookups.
I wrote a program to intercept incoming, unknown smtp connections and
do a dnswl lookup to whitelist them j
Op Tue, 20 Dec 2016 12:31:05 +0100 schreef Clint Pachl
:
[...]
grep "^GREY" |
tr "|" "\t" |
[...]
I've learned to do all parsing of /var/db/spamd via the interface
as the envelope-from sometimes contains a "|" (pipe) character.
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Op Tue, 20 Dec 2016 12:51:19 +0100 schreef Clint Pachl
:
Devin Reade wrote on 12/19/16 12:59:
With respect to dealing with SPF, the simple solution (permitting an
IP if it is on the sending domain's SPF list) doesn't work too well
in the general case since it appears many spammers publish SPF r
Hello Clint,
On Fri, 16 Dec 2016 07:21:47 -0700 Clint Pachl wrote:
> I would like to share my 45-day experience with running spamd and my
> observations and how I'm allowing mail from SMTP clusters to bypass
> spamd. Feedback and discussion would be greatly appreciated.
>
spamd in greylisting
Devin Reade wrote on 12/19/16 12:59:
You might also want to look at bgp-spamd.
Yes, this was on my radar for quite some time. However, my simple spamd
setup with assistance from the zen.spamhaus.org DNSBL has been extremely
effective. It's nice to know we've got more big guns if needed.
W
Some have requested my scripts and configurations so here it is. Below
you fill find the spamd-dnsbl and spamclusterd scripts that are used for
blacklisting spammers and whitelisting networks, respectively. Also
included is dnsbl-check which I use for testing IPs against multiple DNSBLs.
In th
You might also want to look at bgp-spamd.
With respect to dealing with SPF, the simple solution (permitting an
IP if it is on the sending domain's SPF list) doesn't work too well
in the general case since it appears many spammers publish SPF records.
However what I found works well, at least for
I would like to share my 45-day experience with running spamd and my
observations and how I'm allowing mail from SMTP clusters to bypass
spamd. Feedback and discussion would be greatly appreciated.
I have two domains that I have been using for my businesses: one is 13
years old and the other i
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