On 21/12/22 20:35, Samer Afach wrote:
Dear Pat:
Thank you for throwing this idea, because I really thought it wasn't
possible to retrieve docker logs without setup, but I dug and found the
logs. I have them all. Unfortunately, I can't share them all because
they're like GBs in size. Just the
The most common issue when using a proxy/load balancer like haproxy, is that
the remote/foreign connections are being forwarded with the IP address of the
haproxy machine. Thus, they all appear as "local", which makes postfix think
they are "mynetworks" and as a result, postfix becomes a open
Dear Pat:
Thank you for throwing this idea, because I really thought it wasn't
possible to retrieve docker logs without setup, but I dug and found the
logs. I have them all. Unfortunately, I can't share them all because
they're like GBs in size. Just the grep on that email address is like
Hello,
Do you have the logs (postfix and maybe dovecot) showing the spammer
interaction with the server?
pat
> On 21 Dec 2022, at 05:45, Samer Afach wrote:
>
> Thank you, Phil. Here we go. Here's postconf -n:
>
>
> I hope this helps in better identifying how the spammer was able to use my
Thank you, Phil. Here we go. Here's postconf -n:
I hope this helps in better identifying how the spammer was able to use
my server to send a spam email.
```
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
broken_sasl_auth_clients = yes
On 12/20/22 21:39, Samer Afach wrote:
I could share postconf too, but it's huge and I don't want to make this
a huge burden unless necessary.
'postconf -n' is much more concise. Try it.
--
Phil Stracchino
Babylon Communications
ph...@caerllewys.net
p...@co.ordinate.org
Landline:
Dear postfix experts:
So, apparently I failed at configuring my server properly after moving
my whole email services to docker, and some spambot eventually was able
to send a "claim prize" email through my server. The reason I think it's
relay is that the account, from which the email was
On Tue, Dec 20, 2022 at 06:28:21AM +0100, Fourhundred Thecat wrote:
> I had this in my logs:
>
>postfix/master: warning: process /usr/lib/postfix/sbin/scache pid 1215
> killed by signal 11
This is the problem, not lack of connection caching. Perhaps you've
replaced the OpenSSL or other
On Tue, Dec 20, 2022 at 9:46 AM Yanko Hernández Álvarez
wrote:
>
> That's a good one
>
> It seems possible. Let me check. The problem is the ldap query now.
> I'm not sure if I can do that with ldap. mailfilter does two ldap
> queries, one to lookup the "main" group/role and another to get
Mehmet Avcioglu:
> On Tue, Dec 20, 2022 at 9:57 PM Wietse Venema wrote:
>
> > However, Postfix does make information from multiple layers available
> > for policy decisions:
>
> Thank you. Yes I am using milter extensively, however I am trying to
> influence and log transport and sender
On Tue, 20 Dec 2022 10:08:51 -0600
Noel Jones wrote:
>
> > On Dec 20, 2022, at 9:08 AM, Janos Dohanics
> > wrote:
> >
> > ?Hello,
> >
> > I have asked my customer's ISP to set reverse DNS as
> > "smtp.customer.com" for the IP address the ISP newly assigned to
> > them.
> >
> > They set the
On Tue, Dec 20, 2022 at 10:20 PM Mehmet Avcioglu wrote:
> Also I know syslog_name has a max length, but couldn't find the
> documentation on it.
>
Sorry, what I am referring to is probably a syslog limitation, not
postfix.
On Tue, Dec 20, 2022 at 9:57 PM Wietse Venema wrote:
> However, Postfix does make information from multiple layers available
> for policy decisions:
>
Thank you. Yes I am using milter extensively, however I am trying to
influence and log transport and sender dependent transport decisions based
Mehmet Avcioglu:
> On Sun, Dec 11, 2022 at 3:27 PM Mehmet Avcioglu wrote:
>
> > Is it possible to log the result of a table lookup? Perhaps similar to the
> > header_checks INFO option.
>
> I guess it is not.
>
> I can write a daemon that acts like a tcp map and log the results, but I
>
On Sun, Dec 11, 2022 at 3:27 PM Mehmet Avcioglu wrote:
> Is it possible to log the result of a table lookup? Perhaps similar to the
> header_checks INFO option.
>
I guess it is not.
I can write a daemon that acts like a tcp map and log the results, but I
wouldn't be able to match those log
> On Dec 20, 2022, at 9:08 AM, Janos Dohanics wrote:
>
> Hello,
>
> I have asked my customer's ISP to set reverse DNS as
> "smtp.customer.com" for the IP address the ISP newly assigned to them.
>
> They set the reverse DNS as "customer.com", which will pass the
> requirement set by the
Hello,
I have asked my customer's ISP to set reverse DNS as
"smtp.customer.com" for the IP address the ISP newly assigned to them.
They set the reverse DNS as "customer.com", which will pass the
requirement set by the restriction
"reject_unknown_reverse_client_hostname" or similar restrictions
That's a good one
It seems possible. Let me check. The problem is the ldap query now.
I'm not sure if I can do that with ldap. mailfilter does two ldap
queries, one to lookup the "main" group/role and another to get the
email address of that role. Kind of a sql join, but in two parts. Let
me
On 20.12.22 06:28, Fourhundred Thecat wrote:
postfix/master: warning: process /usr/lib/postfix/sbin/scache pid
1215 killed by signal 11
is this HW machine? Signal 11 indicates HW (usually memory) problems if it
repeats.
Maybe corrupt filesystem data.
--
Matus UHLAR - fantomas,
On December 20, 2022 11:40:02 AM UTC, Fourhundred Thecat <400the...@gmx.ch>
wrote:
>> On 2022-12-20 12:13, Wietse Venema wrote:
>> Fourhundred Thecat:
>>
>>> Also, if I wanted to test scache, how can I trigger it?
>>>
>>> If I send one email to multiple email addresses on same domain, will
> On 2022-12-20 12:13, Wietse Venema wrote:
Fourhundred Thecat:
Also, if I wanted to test scache, how can I trigger it?
If I send one email to multiple email addresses on same domain, will
this trigger scache? (ie, deliver multiple emails in one connection to
the server?)
Did you build
Fourhundred Thecat:
> Hello,
>
> I had this in my logs:
>
>postfix/master: warning: process /usr/lib/postfix/sbin/scache pid
> 1215 killed by signal 11
>postfix/master: warning: /usr/lib/postfix/sbin/scache: bad command
> startup -- throttling
>postfix/smtp: warning: problem
On Mon, Dec 19, 2022 at 12:21:02PM -0500, Yanko Hernández Álvarez
wrote:
> On Mon, Dec 19, 2022 at 11:36 AM Matus UHLAR - fantomas
> wrote:
> > >#!/bin/sh
> > >
> > >/usr/bin/cat | /var/spool/filter/scripts/mailfilter |
> > >/usr/sbin/sendmail -G -i "$@"
> > >
> > >exit $?
> >
> >
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