On Mon, Jun 12, 2023 at 04:43:42PM -0700, Asai via Postfix-users wrote:
> We have a situation where we want certain company groups to only be able
> to email others in their group.
Isn't each user a member of "their group?
> I've been managing this through check_sender_access, and
> check_recip
Greetings,
We have a situation where we want certain company groups to only be able
to email others in their group.
I've been managing this through check_sender_access, and
check_recipient_access with regex lists. It's worked for years, but the
one big problem with it is that it doesn't all
On 2023-06-12 at 04:19:12 UTC-0400 (Mon, 12 Jun 2023 20:19:12 +1200)
Peter via Postfix-users
is rumored to have said:
> Technically it's an invalid MX record because MX records must point to a
> hostname, not an IP address.
>
> They are probably trying (but failing) to implement a null MX record
On Mon, Jun 12, 2023 at 08:47:10AM +, wesley--- via Postfix-users wrote:
> may I know that, what's the mechanism for postfix to stop mail
> delivery looping?
>
> for example, u...@foo.com forwards to u...@bar.com, and u...@bar.com forwards
> back to u...@foo.com, this will be a loop.
>
> so
On Mon, Jun 12, 2023 at 11:25:52AM +0200, spi via Postfix-users wrote:
> > To what end do various users need separate outbound relay hosts?
>
> For some of the aliases I am not the authoritive mail server.
How does the mail end up delivered to your system?
> >> Sieve vacation creates an ooo repl
On Sun, Jun 11, 2023 at 11:28:46AM +0200, spi via Postfix-users wrote:
My users have a local mail address user@internal.local with different
aliases (virtual_mailbox_maps, virtual_alias_maps). Receiving and
sending mails through different relay hosts (am using
sender_dependent_relayhost_maps) wor
Technically it's an invalid MX record because MX records must point to a
hostname, not an IP address.
They are probably trying (but failing) to implement a null MX record:
https://www.rfc-editor.org/rfc/rfc7505
Peter
On 12/06/23 19:50, wesley--- via Postfix-users wrote:
Note there is also
I saw some domains have MX pointing to 127.0.0.1. what does this mean?
This will tell the sender of the email to connect to 127.0.0.1 which is itself.
It will send the mail program chasing its own tail.
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Note there is also RFC 7505 "Null MX" where you simply add "IN MX 0 ." to
any DNS name you wish not to send or accept e-mail. (this is designed to
work around implicie MX records when A record is present).
On 12.06.23 07:50, wesley--- via Postfix-users wrote:
I saw some domains have MX pointing
Dnia 10.06.2023 o godz. 17:33:06 Gerd Hoerst via Postfix-users pisze:
my entry e.g.
600 IN TXT "v=spf1 a mx -all"
that mean all servers listet in MX enrties of my domain are allowed
to send emails from my domain
So if you receive an email from my domain which are not sent from
on
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