On Fri, Jun 21, 2024 at 16:22:24 -0400, Wietse Venema wrote:
> Locally-generated bounces are generated by the Postfix bounce
> daemon which talks to a cleanup service to queue a message.
> One could run bounce daemons with a cleanup_service override
> in master.cf:
Thanks Wietse, that makes sens
Geert Hendrickx via Postfix-users:
> Hi
>
> We have few different sets of Postfix mailservers with different roles;
> inbound servers, outbound servers that DKIM sign outgoing mail with a
> milter, and some other servers that just relay mail that is already signed
> elsewhere.
>
> The first and t
Hi
We have few different sets of Postfix mailservers with different roles;
inbound servers, outbound servers that DKIM sign outgoing mail with a
milter, and some other servers that just relay mail that is already signed
elsewhere.
The first and third types of mailservers don't need to sign mail p
On 21/06/2024 13:06, Jeff Peng via Postfix-users wrote:
>
>> If you want to enable them, you have to uncomment ALL lines for
>> submission
>> service to work correctly.
>
> just further, for smtps service, can i just comment out all of options
> to enable it?
>
> #smtps inet n - y
Dnia 21.06.2024 o godz. 19:06:38 Jeff Peng via Postfix-users pisze:
>
> >If you want to enable them, you have to uncomment ALL lines for
> >submission
> >service to work correctly.
>
> just further, for smtps service, can i just comment out all of
> options to enable it?
Yes, you should.
--
Reg
Peter via Postfix-users:
> On 21/06/24 07:13, Wietse Venema via Postfix-users wrote:
> > Bounces are sent with the null envelope.from address which has no
> > domain. Therefore, SPF applies policy to a surrogate: the hostname
> > in the SMTP client's HELO/EHLO command (as if the envelope.from
> > a
On 21/06/24 23:10, Matus UHLAR - fantomas via Postfix-users wrote:
Peter via Postfix-users skrev den 2024-06-21 08:45:
SPF/DKIM/DMARC Checklist for (IMO) the best chance of getting your
mail to be accepted:
1. HELO banner should pass SPF.
2. Envelope Sender should pass SPF.
3. Envelope Se
On 21.06.24 17:07, Jeff Peng via Postfix-users wrote:
I have changed the setting for submission to:
submission inet n - y - - smtpd
# -o syslog_name=postfix/submission
better uncomment this one as well, you should know how the mail was sent
without reading firew
On 21/06/24 21:49, Jaroslaw Rafa via Postfix-users wrote:
Dnia 21.06.2024 o godz. 18:45:15 Peter via Postfix-users pisze:
SPF/DKIM/DMARC Checklist for (IMO) the best chance of getting your
mail to be accepted:
1. HELO banner should pass SPF.
2. Envelope Sender should pass SPF.
3. Envelope
Peter via Postfix-users skrev den 2024-06-21 08:45:
SPF/DKIM/DMARC Checklist for (IMO) the best chance of getting your
mail to be accepted:
1. HELO banner should pass SPF.
2. Envelope Sender should pass SPF.
3. Envelope Sender domain should align with the From: header domain.
4. Message
If you want to enable them, you have to uncomment ALL lines for
submission
service to work correctly.
just further, for smtps service, can i just comment out all of options
to enable it?
#smtps inet n - y - - smtpd
# -o syslog_name=postfix/smtps
# -o s
On 20.06.24 22:00, Benny Pedersen via Postfix-users wrote:
header checks in postfix is done before content filters, so you would
love to reject spam on base of remote spammers own clasificaton ? :)
that's why we have milter_header_checks - they work after milter.
same reason that spamassassin
If you want to enable them, you have to uncomment ALL lines for
submission
service to work correctly.
That's good idea. Thanks Rafa.
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Dnia 21.06.2024 o godz. 07:54:40 Jeff Peng via Postfix-users pisze:
> for these options for submission in master.cf:
>
> submission inet n - y - - smtpd
> # -o syslog_name=postfix/submission
> # -o smtpd_tls_security_level=encrypt
> -o smtpd_sasl_auth_enable=yes
>
Dnia 21.06.2024 o godz. 18:45:15 Peter via Postfix-users pisze:
> SPF/DKIM/DMARC Checklist for (IMO) the best chance of getting your
> mail to be accepted:
>
> 1. HELO banner should pass SPF.
>
> 2. Envelope Sender should pass SPF.
>
> 3. Envelope Sender domain should align with the From: hea
The default value is "no", as expected.
$ postconf -d smtpd_sasl_auth_enable
smtpd_sasl_auth_enable = no
Best practice is to enable SASL auth only on the submission ports and
NOT on port 25.
I have changed the setting for submission to:
submission inet n - y -
Peter via Postfix-users skrev den 2024-06-21 08:45:
On 21/06/24 07:13, Wietse Venema via Postfix-users wrote:
SPF/DKIM/DMARC Checklist for (IMO) the best chance of getting your mail
to be accepted:
1. HELO banner should pass SPF.
2. Envelope Sender should pass SPF.
3. Envelope Sender do
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