Nothing in Postfix prevents you from developing stateful policies
where repated 'good' clients become longer-term allowlisted, and
repated 'bad' clients become longer-term denylisted, for some
subjective definitions of 'good', 'bad', 'long' and 'short'. In the
case of botnet spam, this will make li
On 24.01.25 11:13, Narcis Garcia via Postfix-users wrote:
When I ask a configuration value with command:
$ postconf -h ParameterName
I get raw value from text file /etc/postfix/main.cf
Is there some way to get effective value with variables already replaced?
Example of behaviour I find:
$ postc
On 2025-01-24 16:35, Wietse Venema via Postfix-users wrote:
>
> This perceived problem is already optimized away with caching. On
> my system 93% of connections are from repeat clients.
$ journalctl -t postfix/postscreen | grep -i ']: CONNECT from' | cut -f4 -d':'
| wc -l
13973
$ journalctl -t p
Hi, dear list members!
I don't know if I'm asking in the right place, but since opendmarc is
configured as a milter in Postfix, I'll just ask it.
Today I received a mail that did not have a dmarc signature.
2025-01-24T21:52:15.374433+01:00 crosis opendkim[1183]: C01D06003F:
m6.so-net.net.tw
On 2025-01-24 at 16:56:40 UTC-0500 (Fri, 24 Jan 2025 22:56:40 +0100)
Andreas Kuhlen via Postfix-users
is rumored to have said:
Hi, dear list members!
I don't know if I'm asking in the right place, but since opendmarc is
configured as a milter in Postfix, I'll just ask it.
Today I received a
Thanks Victor,
As I said, I didn't know if it was a Postfix, TLS Cert, or MariaDB
issue. I'll post over in the MariaDB lists.
On 24/1/25 18:24, Viktor Dukhovni via Postfix-users wrote:
On Fri, Jan 24, 2025 at 03:30:43PM +1100, duluxoz via Postfix-users wrote:
I'm using a MariaDB backend to
MRob via Postfix-users:
> On 2025-01-23 20:25, Randy Bush via Postfix-users wrote:
> >> I'm using zen.spamhaus.org for blocking and list.dnswl.org (with
> >> filter)
> >> for allowlisting.
> >>
> >> zen.spamhaus.org*2 list.dnswl.org=127.0.[0..255].[1..3]*-2
> >
>
> Question occur to me, is
Hi Geert, thanks for your reply!
Am 25.01.2025 um 00:17 schrieb Geert Hendrickx via Postfix-users:
On Fri, Jan 24, 2025 at 22:56:40 +0100, Andreas Kuhlen via Postfix-users wrote:
I have set ‘RejectFailures true’ in /etc/opendmarc.conf. My expectation
was that mails without a dmarc signature wou
Many thanks for your reply, Bill.
Am 24.01.2025 um 23:41 schrieb Bill Cole via Postfix-users:
On 2025-01-24 at 16:56:40 UTC-0500 (Fri, 24 Jan 2025 22:56:40 +0100)
Andreas Kuhlen via Postfix-users
is rumored to have said:
Hi, dear list members!
I don't know if I'm asking in the right place, b
Hello,
When I ask a configuration value with command:
$ postconf -h ParameterName
I get raw value from text file /etc/postfix/main.cf
Is there some way to get effective value with variables already replaced?
Example of behaviour I find:
$ postconf -h tls_server_sni_maps
${indexed}sni
$ postconf
On 2025-01-23 20:25, Randy Bush via Postfix-users wrote:
I'm using zen.spamhaus.org for blocking and list.dnswl.org (with
filter)
for allowlisting.
zen.spamhaus.org*2 list.dnswl.org=127.0.[0..255].[1..3]*-2
Question occur to me, is there way to cease dnsrbl lookups once
threshold is me
On 2025-01-24 11:04, MRob via Postfix-users wrote:
>
> Question occur to me, is there way to cease dnsrbl lookups once
> threshold is met? I think answer is "no" because Postscreen canot guess
> if there will be whitelist next.
>
> Could be nice if there's trick to do:
> * keep whitelist/blackl
On Fri, Jan 24, 2025 at 22:56:40 +0100, Andreas Kuhlen via Postfix-users wrote:
> I have set ‘RejectFailures true’ in /etc/opendmarc.conf. My expectation
> was that mails without a dmarc signature would then be rejected.
Only if the domain publishes a DMARC p=reject policy.
> 2025-01-24T21:52:1
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