s never printed out when postmap -q is run.
Either don't use use \d or \b or use pcre: (which does support \d and
\b) instead of regex:
Peter
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Thanks for fixing it.
Peter
On 22/07/25 23:57, Wietse Venema via Postfix-users wrote:
Peter via Postfix-users:
You put a quotation mark (") at the end of the link, making it invalid,
can you please fix that?
There was a missing quote at the left of the URL.
W
You put a quotation mark (") at the end of the link, making it invalid,
can you please fix that?
Thanks,
Peter Ajamian
On 21/07/25 22:47, Wietse Venema via Postfix-users wrote:
Peter via Postfix-users:
Can you please update the link for GhettoForge on the "Packages and
Ports&qu
Can you please update the link for GhettoForge on the "Packages and
Ports" web page to the following?
http://www.ghettoforge.net/index.php/Postfix3
Thanks,
Peter Ajamian
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To u
/index.php/Moving
Peter
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On 3/06/25 14:25, Peter via Postfix-users wrote:
On 3/06/25 09:13, Luca vom Bruch via Postfix-users wrote:
I wanted to implement TLSRPT and added the Ghettoforge repo to Alma9
to get the latest 3.10.x release of Postfix, but now I found out that
TLSRPT support is not compiled in the RPM
Will
answered in IRC and on the GhettoForge Mailing list, yes support for
TLSRPT is in the works, I expect to have it in the release.
Peter
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mode = 0600
user = postfix
}
}
protocol lmtp {
mail_plugins = quota sieve
postmaster_address = postmas...@example.com
}
Postfix:
virtual_transport = lmtp:unix:private/dovecot-lmtp
(I don't use lmtp for local delivery, but if you do then use a
m
prefer to see more emphasis on this point.
Peter
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n
Postfix until you are fully aware of its requirements."
...or something like that.
Peter
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On 16/03/25 17:48, Michael Tokarev via Postfix-users wrote:
16.03.2025 07:26, Peter via Postfix-users wrote:
You linked a debian bug, but I could not find a patch in there.
The patch was in the attachment in the same email:
https://marc.info/?l=postfix-users&m=174205748609705&w=2
I
On 16/03/25 17:13, Michael Tokarev via Postfix-users wrote:
16.03.2025 06:18, Peter via Postfix-users wrote:
This is a relatively simple patch, for the sake of simplicity it
replaces the linefeed at read time, but a slightly more complicated
patch that does it when lines are output to dst
On 16/03/25 16:18, Peter via Postfix-users wrote:
This is a relatively simple patch, for the sake of simplicity it
replaces the linefeed at read time, but a slightly more complicated
patch that does it when lines are output to dst might be more
appropriate. Note this is untested:
...and I
) {
+ VSTRING_ADDCH(buf, '\n');
if (lineno)
*lineno += 1;
if ((cp = pcf_find_cf_info(buf, dst)) != 0)
Peter
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EN_README.html
http://www.postfix.org/postscreen.8.html
Also all of the postscreen-related settings in postconf(5):
http://www.postfix.org/postconf.5.html#postscreen_access_list
After that if you have any questions please feel free to ask them here.
I sugges
On the download page the first GPG key links to
http://ftp.porcupine.org/mirrors/postfix-release/official/postfix-3.10.0.tar.gz.gpg0
which is a 404.
Peter
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g/official/2.0/RPMS-rh6x-i386/
...and checking the latest of these, it's still archived and can be
downloaded:
https://web.archive.org/web/20160426072839/http://ftp.wl0.org/official/2.0/RPMS-rh6x-i386/postfix-2.0.20-1.rh6x.i386.rpm
...which appears to be the exact rpm you&#x
On 30/01/25 15:11, Peter via Postfix-users wrote:
On 30/01/25 11:34, Josh Good via Postfix-users wrote:
Hello all.
Due to reasons which are best left untold, I am setting up a Red Hat 6.2
(classic edition) machine.
This system comes with Sendmail 8.9.3, and it mainly works just fine.
However
://developers.redhat.com/blog/2016/03/31/no-cost-rhel-developer-subscription-now-available#
Peter
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along with actual steps that
you can take to fix the issue.
This is no worse, imo than any other type of logs, including Postfix
logs which can be difficult for a newcomer to fully understand and which
has collate to help organise the logs to better present them
rce 0` and if something
that wasn't working magically starts working then you know it's selinux.
If there's no denial entries in the audit log then it will indeed be
one of those "hidden" log entries and you will need to run a command
like you mentioned to be able to s
use I use after-220 tests so the
whitelists are important to allow legitimate servers to bypass those and
dnswl is not in and of itself sufficient to allow all the major ESPs to
bypass. Adding abusix, mailspike and senderscore has helped immensely
uld consider using port 465 (submissions) instead of 587 (submission).
Peter
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:
From my main.cf <http://main.cf>:
Show the output of `postconf -Mf`
Peter
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ASL implementation which means that postfix can be directly
linked (similar to the cyrus SASL libs) and offer this type of SASL
directly. I don't know if it's worth the trouble of implementing, but
it would seem to be at least close to what you're asking for which is
why I mentioned it.
On 22/12/24 19:53, Michael Tokarev via Postfix-users wrote:
22.12.2024 03:39, Peter via Postfix-users wrote:
On 22/12/24 02:54, Michael Tokarev via Postfix-users wrote:
However, there are other mechanisms being developed, for example OAUTH2,
which, in terms of Cyrus SASL, does not work with
s own password or
key. It is true, however, that for ALL mechs some sort of
authentication token must be available in plain text at some point on
the client side.
Peter
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s to do the actual
authentication. Client auth is only supported for cyrus but here
postfix actually does the authentication itself using the cyrus sasl
libs. It is entirely possible (and even quite common) to have a postfix
server which uses dovecot on the backend for serve
at under
normal circumstances allowing various different programs to directly
write to maillog can be a major security hole. This is not very
difficult to do, just run audit2why against your audit.log file with the
denials in it and it will tell you exactly what you need
s, or at least
not by default. This was a change in the expected norm and the cause of
quite a bit of logs getting dropped and not being noticed until the most
in-opportune time. Before journald writing to syslogd was reliable, you
could do so on any unix system and your log entry would get rec
time out before being woken up again (unless these settings are
changed). Please correct me if I'm wrong here.
Peter
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This is also quite easy using an Apache Redirect directive (or
equivalent for nginx, etc).
Peter
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" (without the "s" on the end) is port 587.
Find the "smtps" or "submissions" section in your master.cf file and
uncomment it, then stop and start postfix.
Peter
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n to my server.
If that is really the case I would ditch Outlook faster than you can
blink and install and use Thunderbird instead ... just saying.
Peter
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spam
onto the other server. This includes things such as postscreen cache,
Bayes database files, etc.
I would recommend revisiting your reasoning for wanting a second server,
they are usually not needed and require a lot of extra work to set up
and maintain than just a single server.
ted problem address being rejected.
Just postconf -n. -f wasn't supported until 2.9.
Peter
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al 2.5
release was in February 2012. This isn't the only time MacOS has
carried an ancient version of some software and I highly recommend that
you use a much newer version. Even if/when you install on a new mac
there is a high probability that it won'
rnative ports on
their service for the very same reason.
Peter
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On 28/10/24 20:07, Peter Ajamian via Postfix-users wrote:
On 28/10/24 20:02, Wesley wrote:
That VM provider Crunchbits blocks all traffic to external ports of
25, 587, 465, 2525 etc. under this case how the customer can access my
mailserver via SMTP for submissions?
Postfix can listen on
t the client is trying to send to. Just pick a port that they
*don't* block and use that.
Peter
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(smtp) should really be used for MX communication only and
not for relaying mail to a submission server.
Peter
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arious components can access.
This could all be done on the same host.
I don't know if this makes 127.0.0.1 "the norm" but it is far from an
unusual configuration.
Peter
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{ smtpd_client_restrictions = check_policy_service
unix:private/myservice }
Peter
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chroot because they want to,
not because of any difficulty in making the change.
Peter
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link above?
Peter
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tc
Of course it is possible you've configured your server's firewall to
block those but usually you would configure your server to block inbound
ports, not outbound.
Peter
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open the port.
Peter
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= 2048
This is fine, though keep what I said about other servers above in mind.
And in dovecot's 90-quota.conf I have the practical value set for virtual
mailbox size.
Right.
Peter
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will be larger, but it's not
recommended to set it to 0 (unlimited) as it is a protection against
certain SMTP attack vectors. If you're not sure about this just leave
it at the default unless / until you have a good reason to increase it
from this thread).
I take it this change would appear in Postfix 3.10.0?
Will this bump the minimum openssl version to 3.x? If so what would be
the exact minimum version? For my EL8 and 9 builds I can work with a
minimum openssl version <= 3.0.7.
Thanks,
Peter
ed on). It's just that I'm
toying with the idea of giving our users (who are mostly pretty savvy)
control over their own Spamassassin user_prefs files :)
That's all well and good, but it's not a bad thing to block additional
spam first if you can be reasonably certain t
ch of
those settings does (read the docs referenced below) and look up each of
those RBLs to see for yourself what they do and if they have any special
requirements for their usage (some require registration, etc).
Reference: postconf(5), postscreen(8),
On 5/08/24 07:38, Alex via Postfix-users wrote:
Hi,
On Sun, Aug 4, 2024 at 2:31 PM Jaroslaw Rafa via Postfix-users
mailto:postfix-users@postfix.org>> wrote:
Dnia 4.08.2024 o godz. 20:14:34 Peter via Postfix-users pisze:
> My best advice when forwarding to gmail is t
le, so it's not really a disadvantage here. At
the end of the day you've already gotten into bed with google no matter
which way you send your mail to them.
Peter
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sue where forwarding SPAM can affect your IP
reputation with gmail.
Note that this only works with gmail, I'm not aware of other major ESPs
that offer this feature.
Further info and instructions:
https://support.google.com/mail/answer/21289
Peter
and mail.err and
just look at mail.log.
Peter
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sending servers should fall
back to plain text this is not a given and an increasing number of MTAs
are now enforcing TLS encryption. I would start by fixing this.
Peter
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s, not the
customer. When it's time simply take the account back, he should not
have to relinquish it himself. It should be possible to easily transfer
his stored messages to his new account name. Depending on how generous
you're feeling you can offer to assist the custom
with
mariadb into the foreseeable future. From what I can tell
mysql_optionsv can be called exactly the same as mysql_options and it
should work fine.
Peter
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recommends mysql_optionsv()
instead:
https://mariadb.com/kb/en/mysql_options/
For now it should work, but we may end up needing to patch postfix once
again in the near future for this.
Peter
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. Given
this there is honestly very little to gain with a catchall in this regard.
Peter
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h is defined in master.cf. As previously
requested, please show the output of:
postconf -Mf
Peter
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On 29/06/24 15:16, Curtis J Blank via Postfix-users wrote:
Peter, my misunderstanding, sorry. This is what I discovered today in
my testing. I explicitly used 127.0.0.1 and not localhost or so I
thought, I explain that below.
Back on topic. I did some more testing. This was the spampd
is why I can't
understand why ::1:10025 was being used to do the SA connection and I
still need to determine that why.
We went by what you said in your OP. You never did post your config.
It would help a great deal if you would post the output
On 29/06/24 03:17, Curtis J Blank via Postfix-users wrote:
Well Peter all the "mynetworks =" that I have defined explicitly state
127.0.0.1 not localhost and all the logging shows 127.0.0.1 not
localhost. So that is why I say I am using 127.0.0.1. So I cannot follow
Ralph's sugg
::1 would likely be another way to resolve the issue.
Peter
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Hello list,
is the precision of time in Postfix log files (version 3.8.4) configurable
(microseconds or milliseconds)?
Thanks in advance
Peter
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On 21/06/24 23:10, Matus UHLAR - fantomas via Postfix-users wrote:
Peter via Postfix-users skrev den 2024-06-21 08:45:
SPF/DKIM/DMARC Checklist for (IMO) the best chance of getting your
mail to be accepted:
1. HELO banner should pass SPF.
2. Envelope Sender should pass SPF.
3. Envelope
On 21/06/24 21:49, Jaroslaw Rafa via Postfix-users wrote:
Dnia 21.06.2024 o godz. 18:45:15 Peter via Postfix-users pisze:
SPF/DKIM/DMARC Checklist for (IMO) the best chance of getting your
mail to be accepted:
1. HELO banner should pass SPF.
2. Envelope Sender should pass SPF.
3. Envelope
nly or DKIM alignment only) but the more of those boxes that
you can successfully tick off the better chance you have for you message
to be accepted when things go wrong, or when a destination doesn't
implement one of the above checks properly.
Peter
___
automatic response. IMHO.
A better way would be to set the From: address to someone that will
actually respond from your organization (e.g. info@, help@, etc).
@Peter
My /etc/postfix/no-reply_reject contains lines like:
do-not-re...@domain.tld REJECT This mailbox is not attended/read. Do not
reply to
On 20/06/24 04:35, John Levine via Postfix-users wrote:
It appears that Peter via Postfix-users said:
On 19/06/24 18:51, Tan Mientras via Postfix-users wrote:
Hi
*Trying to setup email REJECT when users try to send to a no-reply email.*
There is no such thing as a no-reply email, there is
always reject, so the last two rules will always reject
regardless.
Peter
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quot;tls://..." or "ssl://" with a colon (:) not a semicolon (;).
Peter
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On 18/06/24 13:00, Jeff Peng via Postfix-users wrote:
On 2024-06-18 07:30, Peter via Postfix-users wrote:
On 17/06/2024 17:28, Paul Schmehl wrote:
How do you set up roundcube to not use authentication? I really
don’t need it since it’s on the same machine as the mail server.
What config
is is that you can then use settings such as
smtpd_sender_login_maps and reject_sender_login_mismatch in postfix to
control individual users from roundcube.
http://www.postfix.org/postconf.5.html#smtpd_sender_login_maps
http://www.postfix.org/postconf.5.html#reject_sender_login_mismat
On 17/06/24 17:16, Peter via Postfix-users wrote:
Without seeing logs and actual config settings I can only guess. One
thing to keep in mind is that there's two types of TLS connection,
implicit TLS and explicit TLS. Implicit TLS connects to a port
dedicated to TLS connections
-confirmed_reverse_DNS
* Make sure that SPF, DKIM and DMARC are correctly configured.
* Sign up for www.dnswl.org
* Check for DNSRBL entries: http://multirbl.valli.org/
Peter
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On 17/06/24 16:49, Paul Schmehl via Postfix-users wrote:
On Jun 16, 2024, at 10:30 PM, Peter via Postfix-users
wrote:
It's likely that roundcube is not configured for TLS and postfix is (as it
should be) configured not to offer AUTH until TLS is established.
Yes, postfix is configur
ething in the config. I’m wondering if roundcube is not
even attempt auth because postfix isn’t announcing it as a service that
it offers.
It's likely that roundcube is not configured for TLS and postfix is (as
it should be) configured not to offer AUTH until TLS is established.
Peter
___
On 5/06/24 19:23, Peter via Postfix-users wrote:
On 5/06/24 16:20, Viktor Dukhovni via Postfix-users wrote:
Original text:
Is there a link to the announcement online?
I see it's from the mailop list which, unfortunately has the archives
set private so it doesn't help me to be ab
On 5/06/24 16:20, Viktor Dukhovni via Postfix-users wrote:
Original text:
Is there a link to the announcement online?
Peter
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.
How can I make that?
Either:
http://www.postfix.org/postconf.5.html#check_sasl_access
...or...
http://www.postfix.org/postconf.5.html#check_sender_access
...or you can configure your SASL backend (dovecot or cyrus) to only
allow access to the single user.
Peter
On 25/05/24 01:37, Matus UHLAR - fantomas via Postfix-users wrote:
He mentioned that on postfix with "smtpd_tls_auth_only=yes" (the
default) authentication is only available when TLS is active
The default is no, but it is very common to have it set to ye
stfix/blob/postfix-3.4/postfix/conf/master.cf#L29
...vs the current postfix:
https://github.com/vdukhovni/postfix/blob/master/postfix/conf/master.cf#L39
...and note that in both cases there is a -o smtpd_sasl_auth_enable=yes
line.
Peter
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port 25 anyways the
smtpd_tls_auth_only is immaterial to port 25 connections. This setting
does not disable plain text connections it simply disables SMTP
authentication over plain text connections.
Peter
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:)
You may very well not see AUTH even if it's enabled with this test
depending on the smtpd_tls_auth_only setting.
If you want to be sure use openssl s_client for your test.
Peter
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On 25/05/24 00:29, Benny Pedersen via Postfix-users wrote:
Northwind via Postfix-users skrev den 2024-05-24 14:17:
so, in main.cf:
smtpd_sasl_auth_enable=no
comment this out in main.cf, it already default no
It's fine to have it, it's simply redundan
o the
submissions (or may be smtps) section as well.
Peter
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On 24/05/24 21:32, Matus UHLAR - fantomas via Postfix-users wrote:
On 24.05.24 12:00, Peter via Postfix-users wrote:
And the OP is referring to SASL AUTH attacks which are for submission,
not MX connections.
But some of those log lines mention postfix/smtpd, which means they
happen on port
le in main.cf and instead explicitly set it on your
submission and/or submissions service in master.cf instead. When it
comes to things like this it is generally better to default to off and
explicitly turn on rather than default to on and explicitly turn off.
s to pick a different
username to their primary mailbox email address can be problematic.
Peter
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orts where reject_rbl_client and/or
zen.spamhaus.orgshould not be used.
And the OP is referring to SASL AUTH attacks which are for submission,
not MX connections.
Peter
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e of such being a null
client such as submitting mail from a server.
Also this should *not* be a substitute for SASL AUTH, but rather an
added check.
Peter
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ld be
smtpd_sasl_mechanism_filter.
or, in dovecot.conf, set:
auth_mechanisms = plain
Indeed, probably both is the way to go.
Peter
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r from your ISP.
He's having problems with authentication attempts. This is a bad idea
for submission as it would effectively block home users from submitting
email.
Peter
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be careful not to block port 25
connections with this and realize that if you or your users ever intend
to do any travelling this could be problematic.
Peter
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On 16/05/24 23:40, Jaroslaw Rafa via Postfix-users wrote:
Dnia 16.05.2024 o godz. 12:05:52 Peter via Postfix-users pisze:
On my side the email is accepted from here, and relayed, Rspamd
does sign it, and Postfix's last message in the log is a message
sent delivered, and removed from my que
, an SPF and DKIM both pass.
I am open to suggestions.
It's probably just IP reputation and you need to let it build up with
google, but see:
https://support.google.com/mail/answer/81126
Peter
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Thank you very much Victor, You put me on the right track. I should have
checked the access databases more closely.
Peter
Am Mo., 13. Mai 2024 um 12:18 Uhr schrieb Viktor Dukhovni via Postfix-users
:
> On Mon, May 13, 2024 at 11:56:30AM +0200, Peter Uetrecht via Postfix-users
> wrote:
&
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