Thanks everyone, it may be the filtering process as mentioned. This is a
Proxmox Mail Gateway running Postfix.
I do see these type of errors but will look at more details based on
everyone's suggestions and then report back.
2023-09-26T21:34:00.391589-04:00 mgw postfix/postscreen[469237]:
raf via Postfix-users:
> On Tue, Sep 26, 2023 at 02:01:24PM -0400, Wietse Venema via Postfix-users
> wrote:
>
> > Wietse Venema via Postfix-users:
> > > Wietse Venema via Postfix-users:
> > > > It's a rather long explanation for "why not do X". like several
> > > > times longer than the text
On Tue, Sep 26, 2023 at 02:01:24PM -0400, Wietse Venema via Postfix-users
wrote:
> Wietse Venema via Postfix-users:
> > Wietse Venema via Postfix-users:
> > > It's a rather long explanation for "why not do X". like several
> > > times longer than the text that explains what protocol preferences
On Tue, Sep 26, 2023 at 10:35:39AM -0400, Wietse Venema via Postfix-users
wrote:
> > Sadly, I need smtp_address_preference = ipv4 because some
> > reputation systems (spamhaus, I think) don't realise
> > that an entity might only have a single ipv6 address.
>
> Then you should disable IPv6, in
Thanks, I misunderstood the format as -o export_environment = {TZ
MAIL_CONFIG X=Y} from postconf(5) => export_environment. For the sake of
completeness, -o { export_environment = LANG TZ X=${y} } in master.cf
and defining y=z in main.cf does exactly what I want.
- Matt
On 9/26/2023 7:51 AM,
Wietse Venema via Postfix-users:
> Wietse Venema via Postfix-users:
> > It's a rather long explanation for "why not do X". like several
> > times longer than the text that explains what protocol preferences
> > do. And this is the only place where adding that text would help.
>
> I updated the
On Tue, Sep 26, 2023 at 05:55:59PM +0200, Matus UHLAR - fantomas via
Postfix-users wrote:
> Scoring (instead of simply banning) mail sender is quite effective, because
> you don't have to receive and parse whole e-mail.
This is drifting off-topic for Postfix. Perhaps continue the discussion
on
On 26.09.23 10:45, Polarian via Postfix-users wrote:
The complaint and the reason why some email providers intentionally do
not support IPv6 is that the IPv4 exhaustion can be used as a benefit
for lazy security.
Due to the number of IPv6, email server spam is a lot harder to block,
there is
> Sadly, I need smtp_address_preference = ipv4 because some
> reputation systems (spamhaus, I think) don't realise
> that an entity might only have a single ipv6 address.
Then you should disable IPv6, in the PostfiX SMTP client
(master.cf: smtp -o inet_protocols=ipv4) or globally
On Tue, Sep 26, 2023 at 10:49:30AM +0200, Eray Aslan via Postfix-users wrote:
> On Mon, Sep 25, 2023 at 05:51:05PM -0400, Viktor Dukhovni via Postfix-users
> wrote:
> > Not, dangerous, just largely pointless, with *potential* complications,
> > unless there are servers that can actually make use
Matt Saladna via Postfix-users:
> I'd like to export a single var to a set of pipe processes without
> wrapping with env or setting export_environment in main.cf.
>
> This works in main.cf,
>
> export_environment=TZ MAIL_CONFIG LANG X=Y
>
> On the other hand, adding -o export_environment="TZ
I'd like to export a single var to a set of pipe processes without
wrapping with env or setting export_environment in main.cf.
This works in main.cf,
export_environment=TZ MAIL_CONFIG LANG X=Y
On the other hand, adding -o export_environment="TZ MAIL_CONFIG LANG
X=Y" in master.cf results in a
On Mon, Sep 25, 2023 at 05:51:05PM -0400, Viktor Dukhovni via Postfix-users
wrote:
> Not, dangerous, just largely pointless, with *potential* complications,
> unless there are servers that can actually make use of said
> certificates.
Can a case be made for promoting anonymous ciphers? I feel
Wietse Venema via Postfix-users:
> It's a rather long explanation for "why not do X". like several
> times longer than the text that explains what protocol preferences
> do. And this is the only place where adding that text would help.
On Sun, Sep 24, 2023 at 06:25:36PM -0400, Wietse Venema
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