On Sun, Dec 04, 2022 at 03:59:07PM -0800, Dan Mahoney
wrote:
> My needs are pretty much two things:
>
> 1) Only subscribed people may post.
> 2) That post should not get killed by DMARC, which means forwarded
> messages need to pass SPF/DKIM, which means remailing, not forwarding.
>
> The stat
> "Bill" == Bill Cole writes:
> On 2022-12-04 at 20:57:49 UTC-0500 (Sun, 4 Dec 2022 20:57:49 -0500)
> You are missing the point here.
> NO ONE running a serious mailserver will reject mail based on a
> UCEPROTECT level 3 listing. It is a waste of your energy to focus on
> that listing.
I
On 12/5/22 06:42, raf wrote:
On Sun, Dec 04, 2022 at 03:59:07PM -0800, Dan Mahoney
wrote:
My needs are pretty much two things:
1) Only subscribed people may post.
2) That post should not get killed by DMARC, which means forwarded
messages need to pass SPF/DKIM, which means remailing, not for
Is there a way, in postfix, to run a script when the authentication fails,
please ?
I would like to use nftables sets, with the timeout option, to ban IP
addresses. I know fail2ban exists, but I am considering other options.
nftables sets, implemented in the kernel, with the timeout option, seem
I'm curios if it's possible to set up postfix to rewrite the envelop from
address for all email the instance is relaying? I'm doing some research and
want to force the envelop from to be a known value that I know will pass spf
checks.
Thanks in advance.
Sean
Sean Hennessey skrev den 2022-12-05 17:19:
I'm curios if it's possible to set up postfix to rewrite the envelop
from address for all email the instance is relaying? I'm doing some
research and want to force the envelop from to be a known value that I
know will pass spf checks.
https://fuglu.org
On December 5, 2022 4:19:21 PM UTC, Sean Hennessey
wrote:
>I'm curios if it's possible to set up postfix to rewrite the envelop from
>address for all email the instance is relaying? I'm doing some research and
>want to force the envelop from to be a known value that I know will pass spf
>ch
Andre Rodier:
> Hello, all.
>
> Is there a way, in postfix, to run a script when the authentication
> fails, please ?
This is not built-in. Instead, you run a program that watches the
maillog file, and that triggers on authenication errors, or other
unwanted behavior.
> I would like to use nfta
Scott Kitterman skrev den 2022-12-05 17:25:
Not just using postfix. With a milter, it's quite possible.
https://github.com/croessner/vrfydmn does not do exactly what you're
asking for, but it's in the ballpark to give an idea of how to
approach the problem.
still 6 open bugs :/
and not reale
On 2022-12-05 at 10:24:56 UTC-0500 (Mon, 5 Dec 2022 10:24:56 -0500)
John Stoffel
is rumored to have said:
"Bill" == Bill Cole
writes:
On 2022-12-04 at 20:57:49 UTC-0500 (Sun, 4 Dec 2022 20:57:49 -0500)
You are missing the point here.
NO ONE running a serious mailserver will reject mai
post...@ptld.com wrote in
:
|> Is there a way, in postfix, to run a script when the authentication \
|> fails, please ?
|> I would like to use nftables sets, with the timeout option, to ban \
|> IP addresses. I know fail2ban exists, but I am considering other options.
|> nftables sets, implem
On 12/2/2022 3:27 PM, Joachim Lindenberg wrote:
UCEProtect are gangsters, even the founder admits: https://uceprotect.wtf/ > You don´t want to do anything about it, except you are located in
Europe> and can complain to their customers and authorities violating GDPR.
Excuse me, Joachim, but did
Dear list,
I found that when a sasl user passed the authentication, it can send email with
any sender address, not only the sasl user itself.
This may cause our mailsystem to be abused.
How can I setup postfix to stop this behavior?
Thanks in advance.
linux...@gmx.net skrev den 2022-12-06 02:06:
I found that when a sasl user passed the authentication, it can send
email with any sender address, not only the sasl user itself.
This may cause our mailsystem to be abused.
How can I setup postfix to stop this behavior?
do you belive strongly th
If I have setup this:
smtpd_sender_restrictions = reject_sender_login_mismatch
does it work?
Thank you
> Gesendet: Dienstag, 06. Dezember 2022 um 09:33 Uhr
> Von: "Benny Pedersen"
> An: postfix-users@postfix.org
> Betreff: Re: sender issue with sasl user
>
> linux...@gmx.net skrev den 2022-12
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