On 2025-01-28 at 18:43:50 UTC-0500 (Tue, 28 Jan 2025 17:43:50 -0600)
E R via Postfix-users
is rumored to have said:
On Sat, Dec 21, 2024 at 1:34 AM Michael Tokarev via Postfix-users
wrote:
[...]
The only place for such documentation addition is the Postfix's
readme
file(s), mentioning how to
On 2025-01-28 at 09:25:54 UTC-0500 (Tue, 28 Jan 2025 11:25:54 -0300)
André Gomes via Postfix-users
is rumored to have said:
Hi
I`m new on postfix universe.
I configure a mail server on a dedicated link to send mails to my
customers.
The problem is, i have a old database, (2020, 2021)
You s
On 2025-01-27 at 08:20:19 UTC-0500 (Mon, 27 Jan 2025 14:20:19 +0100)
Marko Cupać via Postfix-users
is rumored to have said:
[...]
... Microsoft's servers are frequently being (temporarily) blocked by
spamcop:
For good cause...
Jan 27 10:47:20 mx1 postfix/smtpd[67827]: NOQUEUE: reject: RCPT
On 2025-01-23 at 10:01:13 UTC-0500 (Thu, 23 Jan 2025 16:01:13 +0100)
Gerben Wierda via Postfix-users
is rumored to have said:
> I was wondering, suppose I have a user like this:
>
> f...@bar.com is the account name
> foo.lastn...@bar.com is the incoming alias and the outgoing canonical
>
> Could
On 2025-01-24 at 16:56:40 UTC-0500 (Fri, 24 Jan 2025 22:56:40 +0100)
Andreas Kuhlen via Postfix-users
is rumored to have said:
Hi, dear list members!
I don't know if I'm asking in the right place, but since opendmarc is
configured as a milter in Postfix, I'll just ask it.
Today I received a
On 2025-01-23 at 06:59:41 UTC-0500 (Thu, 23 Jan 2025 11:59:41 +)
MRob via Postfix-users
is rumored to have said:
Hellos!
I have see spamhaus response sometimes 127.255.255.254 that mean
"generic" DNS lookup source.
Specifically, it means that the DNS query came from a large publicly
acc
On 2025-01-14 at 09:30:03 UTC-0500 (Tue, 14 Jan 2025 09:30:03 -0500)
Scott K via Postfix-users
is rumored to have said:
> I was watching mail being delivered to root in my log so I decided to try
> to create a root account in my email client but I wasn't able to, I was
> getting username password
On 2025-01-12 at 14:59:27 UTC-0500 (Sun, 12 Jan 2025 14:59:27 -0500)
Scott K via Postfix-users
is rumored to have said:
> Postfix with Dovecot which should be listening on port 587?
YOU need to decide that. It's a question about what kind of system you want and
what you want it to do for you.
On 2025-01-02 at 16:47:00 UTC-0500 (Thu, 02 Jan 2025 16:47:00 -0500)
Greg Klanderman via Postfix-users
is rumored to have said:
On January 2, 2025 Bill Cole via Postfix-users
wrote:
[lots of snipping done ...]
Is there any good reason to send ehlo multiple times?
It is always correct
On 2025-01-01 at 20:13:35 UTC-0500 (Wed, 01 Jan 2025 20:13:35 -0500)
Greg Klanderman via Postfix-users
is rumored to have said:
I just noticed a single unknown host is connecting ~1000x per day,
with fingerprint 'ehlo=1 auth=0/1 rset=1 quit=1 commands=3/4' so
that's my first target.
Failed au
On 2024-12-24 at 19:27:29 UTC-0500 (Tue, 24 Dec 2024 19:27:29 -0500
(EST))
Wietse Venema via Postfix-users
is rumored to have said:
Bill Cole via Postfix-users:
[...]
There's nothing technically wrong here, at least not that is
diagnosable
from your end. MS just does strange things.
On 2024-12-24 at 18:10:24 UTC-0500 (Tue, 24 Dec 2024 15:10:24 -0800)
Randy Bush via Postfix-users
is rumored to have said:
and without 1.3
[...]
2024-12-24T23:09:18.525130+00:00 m0 postfix/smtpd[1379]: Anonymous TLS
connection established from
mail-eastasiaazrln102210001.outbound.protection
On 2024-12-18 at 12:51:19 UTC-0500 (Wed, 18 Dec 2024 18:51:19 +0100)
Benny Pedersen via Postfix-users
is rumored to have said:
Bill Cole via Postfix-users skrev den 2024-12-18 18:36:
b...@scconsult.com or billc...@apache.org
(AKA @grumpybozo@toad.social and many
On 2024-12-18 at 11:50:26 UTC-0500 (Wed, 18 Dec 2024 16:50:26 +)
Chris Green via Postfix-users
is rumored to have said:
On Wed, Dec 18, 2024 at 10:04:49AM -0500, Bill Cole via Postfix-users
wrote:
[snip]
The most common DNS problem I see with mail systems is an
inadequate
DNS
On 2024-12-17 at 22:43:06 UTC-0500 (Wed, 18 Dec 2024 11:43:06 +0800)
esd via Postfix-users
is rumored to have said:
Eventually I will remove sasl from port 25. But since port 25 can use
sasl authentication, the reliability of the service should be ensured.
None of Postfix can use authenticati
On 2024-12-18 at 08:03:12 UTC-0500 (Wed, 18 Dec 2024 08:03:12 -0500)
John Hill via Postfix-users
is rumored to have said:
Today I feel like an old ham radio operator during the citizen band
years.
I am having a slew of spf, hostname , dkim and dmarc failures.
I look them up and yep no rever
On 2024-11-22 at 13:24:33 UTC-0500 (Fri, 22 Nov 2024 19:24:33 +0100)
Matus UHLAR - fantomas via Postfix-users
is rumored to have said:
[...]
Thanks.
Now I'm searching for the proper smtpd_tls_exclude_ciphers setting to
get at least some, possibly most secure ciphers of those provided in
my fi
On 2024-11-22 at 07:09:06 UTC-0500 (Fri, 22 Nov 2024 13:09:06 +0100)
Matus UHLAR - fantomas via Postfix-users
is rumored to have said:
IIUC, as CBC ciphers are unsafe,
What is your basis for understanding that, in regards to SMTP?
The HTTP-relevant attacks (e.g. BEAST) I am aware of on CBC c
On 2024-11-05 at 13:17:11 UTC-0500 (Tue, 5 Nov 2024 19:17:11 +0100)
Florian Piekert via Postfix-users
is rumored to have said:
I have a postfix 3.10 installation up & running. Postfix and
dovecot handle mail reception from the inet, dovecot/587 users
sending to the local domains or into th
On 2024-11-05 at 10:58:27 UTC-0500 (Tue, 5 Nov 2024 16:58:27 +0100)
Florian Piekert via Postfix-users
is rumored to have said:
Hello Postfix Users!
I have a postfix 3.10 installation up & running. Postfix and dovecot
handle mail reception from the inet, dovecot/587 users sending to the
local
On 2024-11-04 at 07:23:37 UTC-0500 (Mon, 04 Nov 2024 20:23:37 +0800)
Adriel via Postfix-users
is rumored to have said:
Hello
say i have a subdomain sub.xyz.com.
if I make a CNAME as,
sub.xyz.com CNAME to xyz.net
and, xyz.net has its own MX and SPF records.
my question is, for this DNS setu
On 2024-11-04 at 10:57:57 UTC-0500 (Mon, 4 Nov 2024 16:57:57 +0100)
Matus UHLAR - fantomas via Postfix-users
is rumored to have said:
Note that some old versions of sendmail did in this case replace
sub.example.com by example.net in mail address. Should not happen
anymore.
It was still stand
On 2024-11-03 at 01:51:50 UTC-0400 (Sun, 3 Nov 2024 05:51:50 -
(UTC))
David Chmelik via Postfix-users
is rumored to have said:
I followed 'www.postfix.org/VIRTUAL_README.html : As simple as can be:
That's the actual official documentation.
[...]
I read an article saying that documenta
On 2024-11-02 at 18:53:23 UTC-0400 (Sun, 3 Nov 2024 09:53:23 +1100)
Phil Biggs via Postfix-users
is rumored to have said:
I remember there is a URL for reputation scores of all kinds of
domains.
But I can't find it for now. Can you anybody know that? (it's maybe a
url maintained by spamhaus)
On 2024-11-02 at 06:29:23 UTC-0400 (Sat, 02 Nov 2024 13:29:23 +0300)
APach via Postfix-users
is rumored to have said:
Dear.
This is a SpamAssassin trick.
Info here.
https://spamassassin.apache.org/full/3.4.x/doc/Mail_SpamAssassin_Plugin_TxRep.html
5. Aging
That's not really relevant to an e
On 2024-11-01 at 18:34:36 UTC-0400 (Sat, 02 Nov 2024 06:34:36 +0800)
Adriel via Postfix-users
is rumored to have said:
There is a mail system said,
host east.xxx.com[3.138.xx.xx] said:
554 5.7.1 : Sender address rejected: We
reject all
.click domains.
I am just not sure, does the .c
On 2024-10-28 at 14:08:03 UTC-0400 (Mon, 28 Oct 2024 18:08:03 +)
Ken Gillett via Postfix-users
is rumored to have said:
ps -ax | grep master
349 ??10:57.09 master -c /Library/Server/Mail/Config/postfix
and I am running the Server versions of postconf and postmap, but
which versi
On 2024-10-28 at 06:01:29 UTC-0400 (Mon, 28 Oct 2024 10:01:29 +)
Ken Gillett via Postfix-users
is rumored to have said:
I have tried to stick to the Server versions, but I now see I am
running the std. master, with the daemon_directory and
config_directory set to the Server versions.
Tha
On 2024-10-22 at 10:19:26 UTC-0400 (Tue, 22 Oct 2024 10:19:26 -0400)
Steve Matzura via Postfix-users
is rumored to have said:
On 10/21/2024 7:24 PM, Andrew Athan via Postfix-users wrote:
You’ve been told about 10 times now to check your reverse dns ptr
records for the ips used for outbound mai
On 2024-10-21 at 16:43:05 UTC-0400 (Mon, 21 Oct 2024 16:43:05 -0400)
Steve Matzura via Postfix-users
is rumored to have said:
[ big snip...]
Here's a returned mail message I received when I tried to simply send
a message to myself. This shows me no mail is going out at all. I
actually was
[
On 2024-10-18 at 08:34:54 UTC-0400 (Fri, 18 Oct 2024 22:34:54 +1000)
Laura Steynes via Postfix-users
is rumored to have said:
Hi,
We have a problem with one of our inbound MX's amavisd gave up the
goat,
and is fataling, since in itself is not a problem as we kill postfix
and
the load blancers
On 2024-10-18 at 05:58:16 UTC-0400 (Fri, 18 Oct 2024 11:58:16 +0200)
Emmanuel Seyman via Postfix-users
is rumored to have said:
* Nico Schottelius via Postfix-users [18/10/2024 10:55] :
- Others might start using my postfix container due to the lack of an
official postfix container [2]
Th
On 2024-10-16 at 10:26:53 UTC-0400 (Wed, 16 Oct 2024 15:26:53 +0100)
Dominic Preston via Postfix-users
is rumored to have said:
I thought that's an ideal role for Dnsmasq, I primarily want to use
the
existing resolver whilst spoofing some queries, which is something
that
Pi-hole uses Dnsmasq
On 2024-10-16 at 09:52:43 UTC-0400 (Wed, 16 Oct 2024 14:52:43 +0100)
Dominic Preston via Postfix-users
is rumored to have said:
On Wed, 16 Oct 2024 at 14:30, Bill Cole via Postfix-users <
postfix-users@postfix.org> wrote:
[]
However, multi-second delays at connect time are per
On 2024-10-16 at 09:05:09 UTC-0400 (Wed, 16 Oct 2024 14:05:09 +0100)
Dominic Preston via Postfix-users
is rumored to have said:
When sending email via my email client, there is a delay of about 5
seconds
before the email sends. I believe this is as a result of my ISP's DNS
servers being unresp
On 2024-10-15 at 22:43:51 UTC-0400 (Wed, 16 Oct 2024 11:43:51 +0900)
Nico Schottelius via Postfix-users
is rumored to have said:
how do you currently run postfix in containers?
I don't (and neither do most Postfix users) because a robust MTA
installation is a terrible fit for a Docker contai
On 2024-10-15 at 13:02:02 UTC-0400 (Tue, 15 Oct 2024 17:02:02 +)
Serhii via Postfix-users
is rumored to have said:
On 10/15/24 16:52, Bill Cole via Postfix-users wrote:
Unless you've intentionally enabled EXPN in your config, you probably
have not done anything really wrong but no
On 2024-10-15 at 11:03:13 UTC-0400 (Tue, 15 Oct 2024 16:03:13 +0100)
Paul Fowler via Postfix-users
is rumored to have said:
Hi,
Are there best practices for avoid OS username enumeration on a mail
relay?
I'm surprised it works at all against Postfix...
Or is it something that maybe I've m
On 2024-10-06 at 04:34:16 UTC-0400 (Sun, 06 Oct 2024 10:34:16 +0200)
Danjel Jungersen via Postfix-users
is rumored to have said:
Hey!
Can someone explain this to me (being a newbie).
That seems like a very open query...
The maintainer of the Debian (and by descent, Ubuntu) Postfix package
On 2024-09-20 at 09:30:56 UTC-0400 (Fri, 20 Sep 2024 13:30:56 +)
hawky--- via Postfix-users
is rumored to have said:
Hi!
I'm looking for a way to process and deliver an incoming email, but
return an error (with a meaningful) message to the client.
By looking at the SMTP status codes
(h
On 2024-09-10 at 04:51:13 UTC-0400 (Tue, 10 Sep 2024 10:51:13 +0200)
Enrico Morelli via Postfix-users
is rumored to have said:
On Tue, 10 Sep 2024 10:43:25 +0200
Enrico Morelli via Postfix-users wrote:
Dear all,
I'd installed rspamd as antispam in my postfix mail server.
Everything seems to
On 2024-09-10 at 08:05:21 UTC-0400 (Tue, 10 Sep 2024 14:05:21 +0200)
natan via Postfix-users
is rumored to have said:
Hi
Is avilable to run thats setup use postfix+milter ?
For test I run thats setup:
1)enable addheaders on dovecot
2)create special rules in sieve like:
if allof (header :contai
On 2024-09-07 at 08:20:42 UTC-0400 (Sat, 7 Sep 2024 08:20:42 -0400
(EDT))
Wietse Venema via Postfix-users
is rumored to have said:
Only a fool would expose SpamAssassin to the full mail stream.
Speaking as a SpamAssassin contributor: This is (almost) 100% accurate.
A huge fraction of an unf
On 2024-09-05 at 11:20:52 UTC-0400 (Thu, 5 Sep 2024 15:20:52 +
(UTC))
Serhii via Postfix-users
is rumored to have said:
2024-09-05T14:07:05Z Thomas Cameron via Postfix-users
:
Am I smoking crack? Or is this pretty reasonable? Or should I just
knuckle down and set up Spamassassin or some
On 2024-08-31 at 12:48:51 UTC-0400 (Sat, 31 Aug 2024 12:48:51 -0400)
Phil Stracchino via Postfix-users
is rumored to have said:
Don't know whether it's a Gentoo specific issue,
It must be.
but Postfix failed to restart after update because the new lib
directory was created as /usr/lib64/pos
On 2024-08-23 at 01:38:49 UTC-0400 (Fri, 23 Aug 2024 07:38:49 +0200)
Ralf Hildebrandt via Postfix-users
is rumored to have said:
* Paul Martin via Postfix-users :
Hello,
postfix mailq contains differents mails from differents domains.
from or to? I rather think "to"
"From" is entirely uns
On 2024-08-10 at 19:48:18 UTC-0400 (Sun, 11 Aug 2024 01:48:18 +0200)
christian via Postfix-users
is rumored to have said:
Am 10.08.2024 um 22:14 schrieb Bill Cole via Postfix-users:
This is caused by a misconfiguration of the account or the entire
domain in MS365. It can only be fixed on the
On 2024-08-10 at 15:36:11 UTC-0400 (Sat, 10 Aug 2024 21:36:11 +0200)
christian via Postfix-users
is rumored to have said:
Hello, I'm currently having the problem that an email cannot be sent
to an Office 365 service from my Postfix.
I only get the following response:
Final-Recipient: rfc822;
On 2024-08-01 at 16:04:59 UTC-0400 (Thu, 01 Aug 2024 16:04:59 -0400)
postfix--- via Postfix-users
is rumored to have said:
Im sure the answer is NO, but you don't know if you don't ask.
You're wrong :)
Is there anyway to get postfix to assign the queueId before invoking
the milters during t
On 2024-08-01 at 03:32:52 UTC-0400 (Thu, 01 Aug 2024 07:32:52 +)
Laura Smith via Postfix-users
is rumored to have said:
My doubt is that since the outgoing email server identifies itself as
host1.example.com in the EHLO, is there a requirement or even an
expectation that postmas...@example.
On 2024-07-30 at 16:13:07 UTC-0400 (Tue, 30 Jul 2024 16:13:07 -0400)
John Thorvald Wodder II via Postfix-users
is rumored to have said:
I'm not claiming that "spamgateway.nil" is the actual domain. I'm
using a placeholder here because I don't want to draw attention to an
actual, real domain.
On 2024-07-30 at 15:28:58 UTC-0400 (Tue, 30 Jul 2024 15:28:58 -0400)
John Thorvald Wodder II via Postfix-users
is rumored to have said:
(I previously posted this request for help on ServerFault but got no
responses, so I'm hoping the official Postfix mailing list will go
better.)
This has al
On 2024-07-30 at 05:23:28 UTC-0400 (Tue, 30 Jul 2024 10:23:28 +0100)
Gilgongo via Postfix-users
is rumored to have said:
I've recently installed and configured openDMARC. I see it marks
perhaps
20-30% of domains as "fail" but I've not set it to reject those yet.
I also see Spamassassin doesn'
On 2024-07-22 at 18:58:41 UTC-0400 (Tue, 23 Jul 2024 00:58:41 +0200)
Ralph Seichter via Postfix-users
is rumored to have said:
Adding *new* headers can't break existing DKIM signatures, because
these
headers cannot have been signed before. New in this case means header
names (not values) which
On 2024-07-22 at 12:16:26 UTC-0400 (Mon, 22 Jul 2024 11:16:26 -0500)
Chris Wopat via Postfix-users
is rumored to have said:
> On Mon, Jul 22, 2024 at 10:45 AM Bill Cole via Postfix-users
> wrote:
>> Yes. Anything in master.cf after a "-o" is just a service-specifi
On 2024-07-22 at 11:08:48 UTC-0400 (Mon, 22 Jul 2024 10:08:48 -0500)
Chris Wopat via Postfix-users
is rumored to have said:
Thanks for the replies, a few comments below from a few replies:
On Mon, Jul 22, 2024 at 8:45 AM Matus UHLAR - fantomas via
Postfix-users wrote:
"smtpd_reject_unliste
On 2024-07-19 at 08:36:23 UTC-0400 (Fri, 19 Jul 2024 14:36:23 +0200)
Gerd Hoerst via Postfix-users
is rumored to have said:
Hi !
My Mail server is setup with DKIM/DMARC/SPF and it working. My network
is connected to this server with a vpn.
You need to provide more complete information. As s
On 2024-07-18 at 09:04:28 UTC-0400 (Thu, 18 Jul 2024 09:04:28 -0400
(EDT))
Wietse Venema via Postfix-users
is rumored to have said:
Jeff Pang via Postfix-users:
In default setup when postfix deliver messages to other MTA, is it
going
by ssl/tls or plaintext?
https://www.postfix.org/postc
On 2024-07-15 at 10:09:42 UTC-0400 (Mon, 15 Jul 2024 18:09:42 +0400)
Samer Afach via Postfix-users
is rumored to have said:
Hello everyone
I have a setup where my smtp server is reachable through haproxy by
means of networking. But the outgoing email uses an exchange server (a
relay server t
On 2024-07-14 at 20:38:08 UTC-0400 (Mon, 15 Jul 2024 00:38:08 +
(UTC))
Dan Mahoney (Gushi) via Postfix-users
is rumored to have said:
Hey all,
The dayjob is attempting to tie VERP into our ticket system (RT with
postfix), and it would be useful to encode not just the magic "from"
addres
On 2024-07-12 at 09:30:33 UTC-0400 (Fri, 12 Jul 2024 15:30:33 +0200)
Ralph Seichter via Postfix-users
is rumored to have said:
I can imagine a custom milter which stores message data, rejects the
original SMTP delivery attempt after the end of the DATA phase, and
later re-injects the captured d
On 2024-07-12 at 04:55:08 UTC-0400 (Fri, 12 Jul 2024 08:55:08 +)
Francis Augusto Medeiros-Logeay via Postfix-users
is rumored to have said:
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
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
On 2024-07-08 at 17:03:47 UTC-0400 (Mon, 8 Jul 2024 14:03:47 -0700)
Simon Thorpe (PST) via Postfix-users
is rumored to have said:
Hi
I am working on a Postfix server which accepts email for the domain
it's
authoritative for (e.g. mydomain.com) and then duplicates each email
to a
configurable
On 2024-06-28 at 23:45:33 UTC-0400 (Fri, 28 Jun 2024 22:45:33 -0500)
Curtis J Blank via Postfix-users
is rumored to have said:
OK I tired this. What "mydestination" is set to does not matter
whether it's localhost or 127.0.0.1 if spampd is set to use localhost
and not 127.0.0.1 it will not wor
On 2024-06-28 at 05:23:27 UTC-0400 (Fri, 28 Jun 2024 11:23:27 +0200)
Matus UHLAR - fantomas via Postfix-users
is rumored to have said:
Who exactly listens on port 10025? looks like postfix sends mail to
itself, or is it another postfix instance?
Historically that has been a port commonly used
On 2024-06-23 at 19:19:49 UTC-0400 (Mon, 24 Jun 2024 07:19:49 +0800)
Jeff Peng via Postfix-users
is rumored to have said:
what's the mainstream milter server for customized content analysis
such as headers and languages? I may want to block some special
messages which have a special header or
On 2024-06-23 at 17:15:33 UTC-0400 (Sun, 23 Jun 2024 23:15:33 +0200)
Jaroslaw Rafa via Postfix-users
is rumored to have said:
The forwarding issue is easily solvable. It's only the unwillingness
of
mainstream email providers to solve it.
That implies a definition of "easily" that somehow inc
On 2024-06-23 at 08:30:53 UTC-0400 (Sun, 23 Jun 2024 08:30:53 -0400 (EDT))
Wietse Venema via Postfix-users
is rumored to have said:
> Wietse Venema via Postfix-users:
>> If you specify
>>
>> reject_rbl_client string-with-complex-syntax
>>
>> Then the rbl_reply_maps seach key will be that
>> s
On 2024-06-22 at 18:54:32 UTC-0400 (Sat, 22 Jun 2024 22:54:32 +)
Jeff Pang via Postfix-users
is rumored to have said:
But google "why email forwarding is a bad idea" will get a lot of
results.
That is an extraordinarily poor measure of anything other than Google's
indexing capability an
On 2024-06-22 at 16:58:26 UTC-0400 (Sat, 22 Jun 2024 16:58:26 -0400
(EDT))
Wietse Venema via Postfix-users
is rumored to have said:
Bill Cole via Postfix-users:
On 2024-06-22 at 15:19:42 UTC-0400 (Sat, 22 Jun 2024 15:19:42 -0400
(EDT))
Wietse Venema via Postfix-users
is rumored to have said
On 2024-06-22 at 15:19:42 UTC-0400 (Sat, 22 Jun 2024 15:19:42 -0400
(EDT))
Wietse Venema via Postfix-users
is rumored to have said:
[...]
The rbl_reply_maps are searched with the domain specified with
reject_rbl_client.
That includes the optional "=address" portion, added in Postfix
2.8, but
On 2024-06-22 at 06:55:32 UTC-0400 (Sat, 22 Jun 2024 05:55:32 -0500)
Cody Millard via Postfix-users
is rumored to have said:
Hello list.
I included Spamhaus XBL in client restrictions for my server. An error
is supplied to the individual/bot that is trying to connect that looks
like the foll
On 2024-06-20 at 15:59:25 UTC-0400 (Thu, 20 Jun 2024 15:59:25 -0400
(EDT))
Wietse Venema via Postfix-users
is rumored to have said:
If you use some Milter like rspamd then you need milter_header_checks.
You could do that, but if a milter is handling the filter it can just
tell postfix to re
On 2024-06-20 at 09:00:35 UTC-0400 (Thu, 20 Jun 2024 15:00:35 +0200)
Emmanuel Seyman via Postfix-users
is rumored to have said:
Hello, all.
Since yesterday, I've started seeing email from my servers getting
rejected due to SPF problems.
550 5.7.23 : Sender address rejected: Message
rejected
On 2024-06-16 at 21:54:34 UTC-0400 (Sun, 16 Jun 2024 20:54:34 -0500)
Paul Schmehl via Postfix-users
is rumored to have said:
I’m seeing this error in the roundcube logs:
[16-Jun-2024 20:28:58 -0500]: SMTP Error: Authentication
failure: mail.stovebolt.com
PIPELINING
SIZE 9
VRFY
ETRN
en for this purpose?
>
>> On 2024-06-10 at 09:35:25 UTC-0400 (Mon, 10 Jun 2024 14:35:25 +0100)
>> Gilgongo via Postfix-users
>> is rumored to have said:
>>> Thanks - I thought about postscreen, but wasn't sure if it would be
>>> overkill for such a sma
On 2024-06-10 at 09:35:25 UTC-0400 (Mon, 10 Jun 2024 14:35:25 +0100)
Gilgongo via Postfix-users
is rumored to have said:
On Mon, 10 Jun 2024, 12:37 pm Jeff Peng via Postfix-users, <
postfix-users@postfix.org> wrote:
why not postscreen for this purpose?
Thanks - I thought about postscreen,
On 2024-06-05 at 08:19:20 UTC-0400 (Wed, 5 Jun 2024 13:19:20 +0100)
Gilgongo via Postfix-users
is rumored to have said:
> Hi Viktor,
>
> I'm not questioning the veracity of this, but equally I'm not sure I can
> justify turning off one of our more important RLBs just on the strength of
> an email
On 2024-05-30 at 02:23:45 UTC-0400 (Thu, 30 May 2024 08:23:45 +0200)
Matus UHLAR - fantomas via Postfix-users
is rumored to have said:
AFAIK mailman2 does this as hardcoded behaviour, if the sender's
domain has DMARC policy different than "none".
No, it is configurable. Mailman v2 predates DM
On 2024-05-29 at 10:02:59 UTC-0400 (Thu, 30 May 2024 00:02:59 +1000)
Viktor Dukhovni via Postfix-users
is rumored to have said:
[...]
I'd be curious to hear whether you'll find much AUTH brute-force
activity from SBL + CSS (and not XBL) and as mentioned previously,
blocking based on PBL is not v
On 2024-05-28 at 20:25:14 UTC-0400 (Wed, 29 May 2024 02:25:14 +0200)
John Fawcett via Postfix-users
is rumored to have said:
On 29/05/2024 01:11, Bill Cole via Postfix-users wrote:
On 2024-05-28 at 18:50:11 UTC-0400 (Wed, 29 May 2024 00:50:11 +0200)
John Fawcett via Postfix-users
is rumored
On 2024-05-28 at 19:23:19 UTC-0400 (Tue, 28 May 2024 19:23:19 -0400)
John Hill via Postfix-users
is rumored to have said:
[...]
Dovecot log
May 28 19:00:45 proteus.noach.com dovecot[504384]: lmtp(504721):
Connect from local
May 28 19:00:58 proteus.noach.com dovecot[504384]: auth: Error:
auth
On 2024-05-28 at 19:18:10 UTC-0400 (Tue, 28 May 2024 19:18:10 -0400)
John Hill via Postfix-users
is rumored to have said:
[...
On 5/28/24 7:13 PM, Bill Cole via Postfix-users wrote:
On 2024-05-28 at 19:04:37 UTC-0400 (Tue, 28 May 2024 19:04:37 -0400)
John Hill via Postfix-users
is rumored to
On 2024-05-28 at 19:04:37 UTC-0400 (Tue, 28 May 2024 19:04:37 -0400)
John Hill via Postfix-users
is rumored to have said:
On 5/28/24 6:54 PM, Bill Cole via Postfix-users wrote:
-o { smtpd_client_restrictions=permit_mynetworks,reject_rbl_client
xbl.spamhaus,org=127.0.0.4
On 2024-05-28 at 18:50:11 UTC-0400 (Wed, 29 May 2024 00:50:11 +0200)
John Fawcett via Postfix-users
is rumored to have said:
[...]
Hi John
I think you are missing the following in master.cf for the submission
service
-o smtpd_delay_reject=no
Without that the smtpd_client_restrictions will
On 2024-05-28 at 18:27:05 UTC-0400 (Tue, 28 May 2024 18:27:05 -0400)
John Hill via Postfix-users
is rumored to have said:
[...]
11 -o
{smtpd_client_restrictions=permit_mynetworks,permit_sasl_authenticated,reject_rbl_client
xbl.spamhaus,org=127.0.0.4, reject}
reject_rbl_client doing
On 2024-05-23 at 20:12:09 UTC-0400 (Fri, 24 May 2024 12:12:09 +1200)
Peter via Postfix-users
is rumored to have said:
On 24/05/24 01:42, Bill Cole via Postfix-users wrote:
[...]
It is also helpful as a matter of system design to decouple user
email addresses from their login usernames. For
On 2024-05-23 at 02:31:05 UTC-0400 (Thu, 23 May 2024 08:31:05 +0200)
Matus UHLAR - fantomas via Postfix-users
is rumored to have said:
Don't accept mail from home networks. For example, use
"reject_dbl_client
zen.spamhaus.org". For this you must use your own DNS resolver,
not the DNSresolver
On 2024-05-22 at 19:03:48 UTC-0400 (Thu, 23 May 2024 11:03:48 +1200)
Peter via Postfix-users
is rumored to have said:
On 23/05/24 10:33, Northwind via Postfix-users wrote:
[...]
The attack continues at this time.
My questions are:
1. what's the purpose of this kind of attack? Brute force pas
On 2024-05-02 at 07:53:15 UTC-0400 (Thu, 2 May 2024 12:53:15 +0100)
Tim Coote via Postfix-users
is rumored to have said:
What would have helped - and I’ve no idea how feasible this is -
would be some tooling to pull out different versions of the message as
they flow through the queues.
This
On 2024-04-11 at 05:10:45 UTC-0400 (Thu, 11 Apr 2024 11:10:45 +0200)
Matus UHLAR - fantomas via Postfix-users
is rumored to have said:
>> Στις 11/4/24 10:59, ο/η Matus UHLAR - fantomas via Postfix-users έγραψε:
>>> It still works, but you may need supplementary software as amavis, sagator,
>>> s
. Were I to
set up a new mail system today without legacy reliance on SA, I would
probably try using rspamd just to learn about it.
Regards.
On Wed, Apr 10, 2024 at 10:23 PM Bill Cole via Postfix-users <
postfix-users@postfix.org> wrote:
On 2024-04-10 at 05:46:36 UTC-0400 (Wed, 10 Ap
On 2024-04-10 at 05:46:36 UTC-0400 (Wed, 10 Apr 2024 17:46:36 +0800)
Mr. Peng via Postfix-users
is rumored to have said:
> I have been using spamhaus, spamcop, sorbs as the RBL providers for
> antispam.
> But some of the customers speak to me about the FP issues caused by RBL.
> Do you think the
On 2024-03-28 at 17:38:38 UTC-0400 (Thu, 28 Mar 2024 17:38:38 -0400)
Alex via Postfix-users
is rumored to have said:
HI,
I've set up a domain with a catch-all to deliver emails to any address
to a
single recipient address by specifying it in my virtual_alias_maps.
However, the user wants to
On 2024-03-19 at 02:10:53 UTC-0400 (Tue, 19 Mar 2024 07:10:53 +0100)
Fourhundred Thecat via Postfix-users <400the...@ik.me>
is rumored to have said:
Hello,
I am running postfix server for my personal use.
On the server, I have one unix user, and multiple aliases defined in
/etc/aliases, so tha
On 2024-03-17 at 10:38:27 UTC-0400 (Sun, 17 Mar 2024 09:38:27 -0500)
Paxton Houston via Postfix-users
is rumored to have said:
i'm trying to set up a mail server using postfix. i currently have a
squarespace domain and are using mailutils to send the email. do i
need to
set up some kinda dns
On 2024-03-17 at 05:55:43 UTC-0400 (Sun, 17 Mar 2024 10:55:43 +0100)
Matus UHLAR - fantomas via Postfix-users
is rumored to have said:
On 15.03.24 15:06, Noel Jones via Postfix-users wrote:
Postscreen by design only looks at the IP, and has no mechanism to
consider other envelope data.
The s
On 2024-03-15 at 14:11:03 UTC-0400 (Fri, 15 Mar 2024 13:11:03 -0500)
Matt Saladna via Postfix-users
is rumored to have said:
Hello,
I'm seeking a workaround for Microsoft's litany of IPs landing on
DNSBL. They'd like all mail irrespective of DNSBL status to be
delivered, which requires a ski
On 2024-03-02 at 04:45:53 UTC-0500 (Sat, 2 Mar 2024 10:45:53 +0100)
Gerben Wierda via Postfix-users
is rumored to have said:
Aliases are nice, to receive mail. But when you reply, the address
behind the alias is exposed.
To prevent that I need to create full mailboxes, which requires a lot
o
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