On Thu, Jul 11, 2024 at 06:42:26AM +, Francis Augusto Medeiros-Logeay via
Postfix-users wrote:
> I was wondering - is it possible to bounce e-mails for non-existent
> addresses when using a catchall?
This question makes no sense. If you want to reject mail to (all or
most) addresses that do
Hi all,
I have a highly isolated host (e.g. most outgoing traffic blocked, no
DNS) but I would like to use Postfix on that host to send certain emails
to a single address exam...@example.com.
I've already allowed 25 TCP traffic to the email server of example.com,
which is normally sufficient
* Adam Weremczuk via Postfix-users:
> I have a highly isolated host (e.g. most outgoing traffic blocked, no
> DNS) but I would like to use Postfix on that host to send certain emails
> to a single address exam...@example.com. [...]
You can use Postfix a transport table to direct mail for specif
If example.com has an A RR (or defined in hosts file) then even no MX RR
the message should get delivered. I made no test on it though.
On 2024-07-12 00:53, Adam Weremczuk via Postfix-users wrote:
Hi all,
I have a highly isolated host (e.g. most outgoing traffic blocked, no
DNS) but I would l
On 2024-07-11 at 02:42:26 UTC-0400 (Thu, 11 Jul 2024 06:42:26 +)
Francis Augusto Medeiros-Logeay via Postfix-users
is rumored to have said:
Hi,
I was wondering - is it possible to bounce e-mails for non-existent
addresses when using a catchall?
Define your terms clearly and you willhave
Adam Weremczuk via Postfix-users:
> Hi all,
>
> I have a highly isolated host (e.g. most outgoing traffic blocked, no
> DNS) but I would like to use Postfix on that host to send certain emails
> to a single address exam...@example.com.
>
> I've already allowed 25 TCP traffic to the email server
Last month I asked for advice on limiting specific senders
to specific recipients, and Wietse offered this:
/etc/postfix/main.cf:
smtpd_sender_restrictions =
check_sender_access hash:/etc/postfix/restricted_senders
smtpd_restriction_classes = joe_user_acl
joe_user_acl =
On Jul 11, 2024, at 3:14 PM, John R. Levine via Postfix-users
wrote:
> Out: 451 4.3.5 Server configuration error
> [...]
> Where should I start looking?
In your mail logs. It's likely that grepping for "warning:" will show the
problem, although you should examine everything around the time it
On 12/07/2024 00:14, John R. Levine via Postfix-users wrote:
Last month I asked for advice on limiting specific senders
to specific recipients, and Wietse offered this:
/etc/postfix/main.cf:
smtpd_sender_restrictions =
check_sender_access hash:/etc/postfix/restricted_senders
sm
postfix-users@postfix.org wrote in
:
|On Wed, Jul 10, 2024 at 07:44:05PM +0200, Steffen Nurpmeso via Postfix-u\
|sers wrote:
|> Well, i do not know, .. but i have
|>
|> message_size_limit = 50
|
|Wow, that's rather restrictive in age when disk capacities are starting
|to be measured
On Fri, Jul 12, 2024 at 01:54:38AM +0200, Steffen Nurpmeso wrote:
> |> I have a problem in that I would like several senders to be able
> |> to send larger messages.
> |
> |You may as well advertise the largest supported size, it is better
> |better than advertising just "SIZE", because clien
On Thu, Jul 11, 2024 at 05:53:04PM +0100, Adam Weremczuk via Postfix-users
wrote:
> I have a highly isolated host (e.g. most outgoing traffic blocked, no DNS)
> but I would like to use Postfix on that host to send certain emails to a
> single address exam...@example.com.
>
> I've already allowed
John R. Levine via Postfix-users:
> In: RCPT To:
> Out: 451 4.3.5 Server configuration error
>
> Well, that's strange. Mail from people not on the restricted list was
You will find more detailed info in the logs.
By design Postfix won't disclose configuration mistakes in SMTP replies.
On Fri, Jul 12, 2024 at 12:42:28AM +0200, John Fawcett via Postfix-users wrote:
> On 12/07/2024 00:14, John R. Levine via Postfix-users wrote:
> > Last month I asked for advice on limiting specific senders
> > to specific recipients, and Wietse offered this:
> >
> > /etc/postfix/main.cf:
> >
On 2024-07-12 09:45, Viktor Dukhovni via Postfix-users wrote:
But, another option, which I'd prefer whenever possible, is to route
the
messages via a relay host that does have DNS.
main.cf:
# Punt external mail to a relay that can do DNS
default_transport = smtp:[192.0.2.
>
>> On 11 Jul 2024, at 20:22, Bill Cole via Postfix-users
>> wrote:
>>
>
> On 2024-07-11 at 02:42:26 UTC-0400 (Thu, 11 Jul 2024 06:42:26 +)
> Francis Augusto Medeiros-Logeay via Postfix-users
> is rumored to have said:
>
> Hi,
>
> I was wondering - is it possible to bounce e-mails fo
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