On Thu, Aug 17, 2023 at 09:47:13AM +0800, Jon Smart wrote:
> >> If your have smtpd_sasl_auth_enable=yes for your services on port
> >> 587 (submission) and port 465 (smtps or submissions), then you can
> >> remove it from master.cf when all your AUTH users are not using
> >> the port 25 service.
> On Wed, Aug 16, 2023 at 08:48:25PM -0400, Wietse Venema via Postfix-users
> wrote:
>
>> What is the output from
>>
>> postconf -P '*/inet/smtpd_sasl_auth_enable'
>>
>> That will show the smtpd_sasl_auth_enable settings in master.cf.
>>
>> If your have smtpd_sasl_auth_enable=yes for your servi
On Wed, Aug 16, 2023 at 08:48:25PM -0400, Wietse Venema via Postfix-users wrote:
> What is the output from
>
> postconf -P '*/inet/smtpd_sasl_auth_enable'
>
> That will show the smtpd_sasl_auth_enable settings in master.cf.
>
> If your have smtpd_sasl_auth_enable=yes for your services on
Jon Smart via Postfix-users:
> > Jon Smart via Postfix-users skrev den 2023-08-16 04:01:
> >
> >> How can I disable auth on port 25? I really don't want users to use
> >> port
> >> 25 for auth sender. i am using postfix version 3.6.4 on ubuntu 22.04.
> >
> > its default disabled, no ?
> >
> > unsur
> Jon Smart via Postfix-users skrev den 2023-08-16 04:01:
>
>> How can I disable auth on port 25? I really don't want users to use
>> port
>> 25 for auth sender. i am using postfix version 3.6.4 on ubuntu 22.04.
>
> its default disabled, no ?
>
> unsure give us "postconf -n | grep auth"
>
Hello,
Peter via Postfix-users skrev den 2023-08-16 09:01:
mta to mta can use port 465 or 587 aswell for intended purpose :)
This is incorrect, MTAs should not and will not connect to any port
other than port 25 for MX traffic.
you are correct if you only have ONE mta
so its valid if both client an
Jon Smart via Postfix-users skrev den 2023-08-16 04:01:
How can I disable auth on port 25? I really don't want users to use
port
25 for auth sender. i am using postfix version 3.6.4 on ubuntu 22.04.
its default disabled, no ?
unsure give us "postconf -n | grep auth"
my own is
mx ~ # postco
On August 15, 2023 2:15:21 AM GMT+02:00, Jon Smart via Postfix-users
wrote:
I have disabled port 587/465 to be accessed publicly.
but port 25 must be open to internet for MTA communications.
My question is, can external users access port 25 for smtp auth and send
mail then?
Not if you disable
On 15/08/23 21:08, Benny Pedersen via Postfix-users wrote:
Peter via Postfix-users skrev den 2023-08-15 10:44:
This is a bad idea for several reasons. If you want submission use
ports 465 and/or 587 as they are intended. Don't try to use a service
that is meant for a different purpose for thi
>
>
> On August 15, 2023 2:15:21 AM GMT+02:00, Jon Smart via Postfix-users
> wrote:
>>Hello,
>>
>>I have disabled port 587/465 to be accessed publicly.
>>
>>but port 25 must be open to internet for MTA communications.
>>
>>My question is, can external users access port 25 for smtp auth and send
>>
* Benny Pedersen via Postfix-users [230815 05:10]:
> Peter via Postfix-users skrev den 2023-08-15 10:44:
>
> > This is a bad idea for several reasons. If you want submission use
> > ports 465 and/or 587 as they are intended. Don't try to use a service
> > that is meant for a different purpose f
Peter via Postfix-users skrev den 2023-08-15 10:44:
This is a bad idea for several reasons. If you want submission use
ports 465 and/or 587 as they are intended. Don't try to use a service
that is meant for a different purpose for this.
mta to mta can use port 465 or 587 aswell for intended
On 15/08/23 12:15, Jon Smart via Postfix-users wrote:
I have disabled port 587/465 to be accessed publicly.
These are the submission and submissions ports, for user submission of mail.
but port 25 must be open to internet for MTA communications.
Port 25 is for MX to MX communication, for a
On August 15, 2023 2:15:21 AM GMT+02:00, Jon Smart via Postfix-users
wrote:
>Hello,
>
>I have disabled port 587/465 to be accessed publicly.
>
>but port 25 must be open to internet for MTA communications.
>
>My question is, can external users access port 25 for smtp auth and send
>mail then?
N
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