On 9/16/19 8:47 AM, Paul van der Vlis wrote:
Hello,
How can I refuse mail from hosts who don't have an open port 25?
What do you think from such a check?
DO NOT DO THIS!
A significant number of installations will use different servers for
inbound and outbound email. What is worth
On 5/14/19 1:41 PM, @lbutlr wrote:
Has anyone implemented geo based restrictions for postfix login connections, or
is this something that needs to be done in dovecot?
I was thinking someway to add most of Asia and Eastern Europe to postscreen
checks would be useful?
You can always use
On 4/23/19 11:54 AM, Ralph Seichter wrote:
* John Peach:
/^From:.*\@example\.com/ REJECT
This header check will not catch the envelope sender, so I suggest
adding "check_sender_access pcre:/path/to/sender_access" to the mix
(file content according to your needs, of course).
It is
On 4/23/19 11:39 AM, Paul wrote:
Yes I agree with Kevin here, the best solution to this problem is an spf record
set to reject mail from any ip that’s not in your allowed list of ips for your
domain. Forging a from address is very easy and is one of the main purposes of
why spf was created.
On 2/28/19 8:51 AM, Emanuel wrote:
it's not what I need thanks.
El 28/2/19 a las 10:45, Bastian Blank escribió:
ou block the users sending them.
It probably is - legitimate Amazon email comes from servers in
amazonses.com - block email purporting to be from Amazon if the server
is not in
On 07/25/2018 01:36 PM, @lbutlr wrote:
On 24 Jul 2018, at 11:31, Software Information
wrote:
Recently though, auditors made a deal that the server is an open relay.
Based on the rest of this thread, it sounds very much like the auditors are
incompetent. I mean, not knowing what an open
On 12/13/2017 10:52 AM, L.P.H. van Belle wrote:
Hai,
mailscanner runs fine here for about 5-6 years now, with postfix.
Mailscanner + postfix (postscreen) rules here :-)
You *think* it's been running fine. When the author of postfix
specifically warns against using it, it would be foolhardy
On 11/15/16 13:43, Eric Abrahamsen wrote:
> I'm trying to successfully receive emails from my state's health care
> service, which is apparently broken in the way it sends emails. These
> are the errors:
>
> ericabrahamsen.net/smtpd[24193]: warning: hostname\
> mail-relay.secure-24.net does
On Sat, 22 Mar 2014 19:45:08 +0200
Anonymous12 anonymou...@riseup.net wrote:
[snip]
show your /etc/postfix/sasl_passwd with passwords replaced and the rest
untouched
OS: Ubuntu 12.04 LTS
I'll not show what packages I have installed as I see no reason to
well then help yourself,
On Fri, 30 Aug 2013 15:52:22 -0400
Jean-Sébastien Nicaise jsnica...@gmail.com wrote:
On Fri, Aug 30, 2013 at 3:48 PM, John Peach post...@johnpeach.com wrote:
On Fri, 30 Aug 2013 15:43:01 -0400
Jean-Sébastien Nicaise jsnica...@gmail.com wrote:
[snip]
I'm hoping for something
On Tue, 25 Jun 2013 18:22:22 +0100
Jim Reid j...@rfc1035.com wrote:
On 25 Jun 2013, at 18:01, John Levine jo...@iecc.com wrote:
There is a somewhat popular convention that if a domain publishes an
MX like this:
whatever.example MX 0 .
it means the domain does not receive mail.
On Tue, 2 Apr 2013 11:25:09 -0300
Fernando Maior fernando.souto.ma...@gmail.com wrote:
Hi,
I am not an specialist in Postfix, just a common admin. Yet, I can
see two things from your message:
1. You sure have a DNS resolution problem. No external server
should be resolved to
On Mon, 04 Mar 2013 12:06:20 -0600
Blake Hudson bl...@ispn.net wrote:
Just hoping to get a consensus on this. Postfix is stating that a
host (in fact several hosts from the same ISP) does not have rDNS,
because our DNS (Bind 9.8) returns SERVFAIL when looking up a PTR
record for it. The IP in
On Thu, 28 Feb 2013 12:00:58 -0500
James Seymour jseym...@linxnet.com wrote:
On Thu, 28 Feb 2013 18:51:15 +0200
אנטולי קרסנר tomback...@gmail.com wrote:
No, the mailing list is a legitimate way to connect with all postfix
users ...
The mailing list I thought was supposed to be about
On Wed, 9 Jan 2013 13:29:06 -0200
Rafael Azevedo - IAGENTE raf...@iagente.com.br wrote:
I was watching my log files now looking for deferred errors, and for
my surprise, we got temporary blocked by Yahoo on some SMTPs (ips),
as shown:
Jan 9 13:20:52 mxcluster yahoo/smtp[8593]:
On Sun, 16 Sep 2012 01:08:58 +0800
LEON l...@kingdest.com wrote:
How to avoid receive the mail that i post to this mail list?
Stop posting to the list.
On 09/16/2012 01:00 AM, Ralf Hildebrandt wrote:* LEON l...@kingdest.com:
What command to get this information?
host -t ns
On Sun, 2 Sep 2012 22:46:10 +0200
Lorens Kockum postfix-users-4...@tagged.lorens.org wrote:
The exact same question was sent by someone calling himself
Ron White to the exim mailing list at almost exactly the same
time. Peddling one's services by soliciting comparisons with
competitors is so
On Fri, 13 Jul 2012 02:09:45 +0800
Feel Zhou feelz...@gmail.com wrote:
Thank you very much
My system is Centos6.2/64bit
do not have the command sealert
Maybe not install
So I set setenforce 0, make selinux permissive
And it has no change for debug log
Whichever system account you're
On Tue, 26 Jun 2012 11:04:16 -0700
Daniel L. Miller dmil...@amfes.com wrote:
After a recent Ubuntu server upgrade, the packaged versions of Postfix -
using Ubuntu's Precise version, as well as the security, updates,
and backports repositories - Postfix's TLS is broken with the known
SSL
On Tue, 19 Jun 2012 19:44:31 +0800
JonL jonl...@hotmail.com wrote:
I'm getting the following in my mail logs for a new postfix system.
OS = SuSE Linux Enterprise v10
Thanks
mail log error
Jun 18 15:20:24 linux-srv postfix/smtpd[6509]: NOQUEUE: reject: RCPT from
--
From: John Peach post...@johnpeach.com
Sent: Tuesday, June 19, 2012 7:51 PM
To: postfix-users@postfix.org
Subject: Re: problem with postfix configuration - Relay Access Denied
On Tue, 19 Jun 2012 19:44:31 +0800
JonL jonl...@hotmail.com wrote
On Sat, 28 Apr 2012 08:30:54 -0700
kar...@mailcan.com wrote:
I've been writing scripts for my loganalysis chores. A typical log
entry for a mail transaction looks like,
[snip]
Since it's Postfix doing the writing to the logs in the 1st place, is it
possible to config Postfix to
On Thu, 29 Mar 2012 12:10:26 -0700
Quanah Gibson-Mount qua...@zimbra.com wrote:
--On Thursday, March 29, 2012 10:56 PM +0400 Michael Tokarev
m...@tls.msk.ru wrote:
Besides, gcc --print-search-dirs (as already used in makedefs)
includes all necessary multiarch directories already. So
On Fri, 23 Mar 2012 13:19:14 -0300
francis picabia fpica...@gmail.com wrote:
On Fri, Mar 23, 2012 at 12:43 PM, Giles Coochey gi...@coochey.net
wrote:
On 23/03/2012 15:37, francis picabia wrote:
On Fri, Mar 23, 2012 at 11:33 AM, francis
picabiafpica...@gmail.com wrote:
We have a
On Thu, 17 Nov 2011 08:08:13 -0600 (CST)
Dan The Man d...@sunsaturn.com wrote:
I agree completely, but I don't think a student failing a course
because he only has a yahoo/shaw etc address and got a legitimate
email bounced would agree very much :)
I think my solution should stand, we
On Thu, 13 Oct 2011 15:33:48 +0530
Ram r...@netcore.co.in wrote:
On 10/13/2011 02:37 AM, Ralf Hildebrandt wrote:
* Noel Jonesnjo...@megan.vbhcs.org:
You might be able to do something with check_recipient_mx_access.
Mostly, these domains have no MX, but only an A record. But yes, I
On Fri, 16 Sep 2011 14:17:13 -0400 (EDT)
Wietse Venema wie...@porcupine.org wrote:
Crazedfred:
? Crazedfred crazedf...@yahoo.com:
What is the result of:find / -name smtpd.conf
sudo find / -name smtpd.conf
/usr/lib/sasl2/smtpd.conf
read the debian documentation!
Could you
On Wed, 31 Aug 2011 12:10:29 +0200
Michael Weissenbacher m...@dermichi.com wrote:
On Wed Aug 31 2011 12:01:20 GMT+0200 (CET), we...@zackbummfertig.de
wrote:
Hello,
annyone can acknowledge that following dnsbl services are not
reachable?
zen.spamhaus.org*2DOWN
On Mon, 11 Apr 2011 17:39:43 -0400
Jerry postfix-u...@seibercom.net wrote:
On Mon, 11 Apr 2011 15:43:09 -0500
Stan Hoeppner s...@hardwarefreak.com articulated:
pf at alt-ctrl-del.org put forth on 4/10/2011 10:33 PM:
My thought on auto combating this is to use a CIDR list to kick
On Thu, 03 Feb 2011 10:44:13 +0100
J4K ju...@klunky.co.uk wrote:
On 02/02/2011 11:54 PM, Steve Jenkins wrote:
On Wed, Feb 2, 2011 at 2:33 PM, Stan Hoeppner s...@hardwarefreak.com
wrote:
In the mean time, maybe give this a go. 1600+ expressions matching rDNS
patterns of many millions of
On Sat, 29 Jan 2011 12:30:35 +0100
Bastian Blank bastian+postfix-users=postfix@waldi.eu.org wrote:
On Fri, Jan 28, 2011 at 03:49:55PM -0500, Jerrale G wrote:
from *mail.sheltoncomputers.com (mail [127.0.0.1]) * by
mail.sheltoncomputers.com (SC Mail Server) with ESMTP id
182431B60017
On Wed, 22 Dec 2010 19:52:03 +0200
Razvan Chitu c...@topedge.ro wrote:
Hello again,
This time the question is simple: my server is being maliciously
used to send spam, and this has to stop. Here are the log entries in
question (latest ones):
[snip]
Also, I'm having a lot of these kind
lists.
Thanks,
C.R.
On 12/22/2010 7:53 PM, John Peach wrote:
On Wed, 22 Dec 2010 19:52:03 +0200
Razvan Chituc...@topedge.ro wrote:
Hello again,
This time the question is simple: my server is being
maliciously used to send spam, and this has to stop. Here
On Tue, 07 Dec 2010 17:10:45 -0500
Paul Cartwright deb...@pcartwright.com wrote:
On 12/07/2010 04:48 PM, Steffan A. Cline wrote:
CIDR blocking all of China with an auto whitelist for those that
you email directly?
I don't know anyone in China, I know someone who travels there, but he
has a
On Thu, 28 Oct 2010 14:28:42 +1000
Noel Butler noel.but...@ausics.net wrote:
On Wed, 2010-10-27 at 22:15 -0400, John Peach wrote:
On Thu, 28 Oct 2010 11:17:00 +1000
Noel Butler noel.but...@ausics.net wrote:
On Tue, 2010-10-26 at 14:11 +0300, Покотиленко Костик wrote
On Thu, 28 Oct 2010 11:17:00 +1000
Noel Butler noel.but...@ausics.net wrote:
On Tue, 2010-10-26 at 14:11 +0300, Покотиленко Костик wrote:
sorbs.net is very agressive, many ISPs get blocked for several years and
are not willing to delist b/c sorbs doesn't offer free delist for them.
On Wed, 6 Oct 2010 12:13:25 +1100
James Gray ja...@gray.net.au wrote:
On 06/10/2010, at 9:37 AM, Noel Butler wrote:
On Tue, 2010-10-05 at 23:46 +0200, mouss wrote:
Le 04/10/2010 23:03, Terry Gilsenan a écrit :
Configure postfix to use SPF, and setup an SPF record in DNS for that
On Sat, 05 Jun 2010 23:26:46 +0200
Jeroen Geilman jer...@adaptr.nl wrote:
Ciao
Somebody have any idea how can i change User unknown in virtual
mailbox table reject code from 450 to 550 (don't send again)
The unknown_virtual_mailbox_reject_code response defaults to 550.
If it is not
On Sat, 05 Jun 2010 23:33:04 +0200
Jeroen Geilman jer...@adaptr.nl wrote:
On Sat, 05 Jun 2010 23:26:46 +0200
Jeroen Geilmanjer...@adaptr.nl wrote:
Ciao
Somebody have any idea how can i change User unknown in virtual
mailbox table reject code from 450 to 550 (don't send
On Wed, 02 Jun 2010 08:50:53 -0400
Robert Fitzpatrick li...@webtent.net wrote:
I am getting a lot of these for various domains...
Jun 2 07:21:08 esmtp postfix/smtpd[55535]: NOQUEUE: reject: RCPT
from mail.cypresspartners.com[72.242.211.227]: 450 4.1.8
On Fri, 21 May 2010 15:03:22 +0200
Sasa s...@shoponweb.it wrote:
Hi, I have a problem with some mails that are discarded when in body
message there is a web link with http prefix, i.e. with:
http://www.example.com/example
with this link the mail is discarded and in log file I have:
On Fri, 21 May 2010 15:35:55 -0400
Phil Howard ttip...@gmail.com wrote:
On Fri, May 21, 2010 at 15:29, John Peach post...@johnpeach.com
wrote:
465 is for SMTP over SSL, which is deprecated.
What is deprecated? Using port 465? Or doing SMTP over SSL?
SMTP over SSL
Unfortunately, I
On Sun, 16 May 2010 20:52:54 +0100
Frank Shute boysh...@googlemail.com wrote:
Hi,
My ISP suddenly started bouncing my mail.
I phoned them up and they started saying In profiles do I
pointed out at that point that I used
Unix and the tech took fright said that he'd get somebody to
On Wed, 28 Apr 2010 00:47:08 -0400
Sahil Tandon sa...@freebsd.org wrote:
On Wed, 28 Apr 2010, N. Yaakov Ziskind wrote:
Sahil Tandon wrote (on Wed, Apr 28, 2010 at 12:02:34AM -0400):
On Tue, 27 Apr 2010, N. Yaakov Ziskind wrote:
Sahil Tandon wrote (on Tue, Apr 27, 2010 at
On Mon, 19 Apr 2010 08:53:03 -0400
donovan jeffrey j dono...@beth.k12.pa.us wrote:
On Apr 19, 2010, at 8:41 AM, Ralf Hildebrandt wrote:
* donovan jeffrey j dono...@beth.k12.pa.us:
Greetings
i have been seeing tons of errors coming from spamhaus, it seems
it's not resolving. at
On Mon, 19 Apr 2010 09:09:38 -0400
donovan jeffrey j dono...@beth.k12.pa.us wrote:
On Apr 19, 2010, at 9:03 AM, Ralf Hildebrandt wrote:
* donovan jeffrey j dono...@beth.k12.pa.us:
this system in question picks up mail ( primary MX ) for about
2000 users.
This should well be
On Tue, 19 Jan 2010 17:15:59 -0600
Stan Hoeppner s...@hardwarefreak.com wrote:
Well, there's one positive side to this thread Noel. Your reply to
undisclosed
recipients instead of the list address broke my postfix-users sort filter. I
just spent 20 minutes trying to figure it out. I
On Sun, 10 Jan 2010 11:32:34 +0100
Dr. Lars Hanke l...@lhanke.de wrote:
I had a quite strange issue. About a week ago my bind9 broke down and I
could not get it running again on the same machine. So moved it to
another machine and changed the /etc/resolv.conf of my machines to try
both IP.
On Sun, 27 Dec 2009 18:10:53 +0100
Philippe Cerfon philc...@googlemail.com wrote:
On Sun, Dec 27, 2009 at 2:11 AM, Wietse Venema wie...@porcupine.org wrote:
With smtpd_helo_required = yes, the Postfix SMTP server requires
HELO (or EHLO) before the MAIL, ETRN and AUTH commands (*).
I've just
On Sun, 27 Dec 2009 20:22:33 +0100
Ansgar Wiechers li...@planetcobalt.net wrote:
On 2009-12-26 Stan Hoeppner wrote:
Len Conrad put forth on 12/26/2009 3:49 PM:
Requiring HELO is hardly an RFC-abusive setting. I expect almost no
legit, nor illegit, SMTP servers send EXPN or VRFY before
On Sun, 27 Dec 2009 23:34:47 +0100
Ansgar Wiechers li...@planetcobalt.net wrote:
On 2009-12-27 John Peach wrote:
On Sun, 27 Dec 2009 20:22:33 +0100 Ansgar Wiechers wrote:
On 2009-12-26 Stan Hoeppner wrote:
I'll add that just about everyone disables VRFY these days to
prevent valid
On Sat, 19 Dec 2009 04:40:02 -0400
D G Teed donald.t...@gmail.com wrote:
[snip]
Due to the hardwired default of 450, all sent mail becomes sluggish
on the Exchange queue as hundreds of messages are retried
every few minutes (one mistyped domain in a mail list triggers this
behaviour in MS
On Wed, 09 Dec 2009 03:58:28 -0600
Stan Hoeppner s...@hardwarefreak.com wrote:
[snip]
Two words: LIST MAIL. When you reply directly to senders, all kinds
of unpleasant things can happen. Keep replies on list only and you
can avoid seeing some of the draconian things folks do.
setting the
On Tue, 01 Dec 2009 16:30:36 +0200
Eero Volotinen eero.voloti...@iki.fi wrote:
Centos 5.4 - while it looks like a good choice, there has been some
political infighting going on recently which makes us a little
nervous about its future. In addition we have found that a number
of the core
On Thu, 26 Nov 2009 18:29:00 +0100
Marco Giardini m...@tecnogi.com wrote:
* Wietse Venema wie...@porcupine.org [2009-11-26 12:20:19 -0500]:
Marco Giardini:
I have a barracuda server that receives mails, filter them and forward
to a
linux system running postfix.
Both machine
On Mon, 16 Nov 2009 13:00:26 -0700
Jim Lang post...@guscreek.com wrote:
Wietse Venema wrote:
Jim Lang:
OK here is the scenario.
Spammer sends mail to: u...@myclientsdomain.com from forged
address vic...@randomdomain.com
If u...@myclientsdomain.com is delivered locally, not
On Mon, 16 Nov 2009 13:07:05 -0700
Jim Lang post...@guscreek.com wrote:
John Peach wrote:
On Mon, 16 Nov 2009 13:00:26 -0700
Jim Lang post...@guscreek.com wrote:
Wietse Venema wrote:
Jim Lang:
OK here is the scenario.
Spammer sends mail to: u
On Wed, 28 Oct 2009 08:43:34 +
Sharma, Ashish ashish.shar...@hp.com wrote:
Hello,
I am unable to see the following headers in e-mails received on my
Postfix e-mail receiving server:
1. Return-Path
2. Received: from
Similar to header on gmail
Received: from dev16
On Wed, 28 Oct 2009 12:22:43 +
Sharma, Ashish ashish.shar...@hp.com wrote:
John
Thanks for the reply.
But please post some reference link or samples as I am unable to
understand your answer.
It is not a function of postfix; you need to configure whatever
mail-reading program you use
On Wed, 30 Sep 2009 01:03:36 +1000
Barney Desmond barneydesm...@gmail.com wrote:
2009/9/30 Postfix User post...@linuxnet.ca:
I've since implemented an iptables SNAT rule as a temporary
workaround as I really needed this working this morning. I doubt
this will interfere with the verbose
On Tue, 15 Sep 2009 16:06:54 +0200
K bharathan kbhara...@gmail.com wrote:
if the relay host has got a username and password how can i specify
these in the main.cf
a google on this showed me the following:
relayhost = smtp.example.com:25
smtp_sasl_auth_enable=yes
On Mon, 3 Aug 2009 22:11:49 +0800
sosogh sos...@126.com wrote:
2009-08-03 21:02:01 Udo Mueller wrote:
My question: Is it possible to disable the domain check an let
postfix send these emails to me.vodafone.com
Yes.You can use transport_maps
http://www.postfix.org/transport.5.html
On Mon, 13 Jul 2009 14:25:01 +0200
Keld J__rn Simonsen k...@dkuug.dk wrote:
On Mon, Jul 13, 2009 at 07:07:01AM -0400, Charles Marcus wrote:
On 7/13/2009, Keld J__rn Simonsen (k...@dkuug.dk) wrote:
I am getting it via fetchmail
snip
If you are getting it through fetchmail, then
On Mon, 13 Jul 2009 15:24:04 +0200
Keld J__rn Simonsen k...@dkuug.dk wrote:
[snip]
#
==
# service type private unpriv chroot wakeup maxproc command +
args # (yes) (yes) (yes) (never) (100) #
On Sat, 4 Jul 2009 20:46:16 -0600
LuKreme krem...@kreme.com wrote:
On 3-Jul-2009, at 20:35, Andrew Thompson wrote:
what is the hate for backscatter founded in?
Wait until you get hundreds of thousands of backscatter where
someone has sent out spams with your user name as the From:
On Thu, 28 May 2009 11:56:38 +0200
Ralf Hildebrandt ralf.hildebra...@charite.de wrote:
Turns out Wietse was wrong:
http://lwn.net/SubscriberLink/334866/fffe7b1a0716c0e4/
All political; no real rational reasoning for it
--
John
On Fri, 22 May 2009 19:23:33 +0200
mouss mo...@ml.netoyen.net wrote:
Carlos Williams a __crit :
[snip]
Content-filter at server.us wrote:
A message from jthras...@server.us to: - jthras...@server.us
was considered unsolicited bulk e-mail (UBE). Our internal reference
code for
On Tue, 24 Mar 2009 15:05:52 +0100
suomi post...@ayni.com wrote:
[snip]
In the postfix log, where the php-pear-Mail-Mime client sends all mails,
for the mail in question I find the following:
Mar 20 09:00:01 smtphost postfix/smtpd[3990]: connect from
On Tue, 10 Feb 2009 21:50:26 +0800
jan gestre ipcopper...@gmail.com wrote:
[snip]
I have this same problem that I was not able to solve for almost a
week now. I posted too on various mailing lists including this (mail
from gmail and yahoo are blocked), some suggested to install a caching
On Tue, 10 Feb 2009 18:49:05 +
Jo__o Miguel Neves joao.ne...@intraneia.com wrote:
Charles Marcus escreveu:
Here's a link informing why indiscriminate use of SAV is bad, and what
it should be used for:
http://www.backscatterer.org/?target=sendercallouts
OK, I've finished reading
On Mon, 17 Nov 2008 16:32:32 -0500
brian [EMAIL PROTECTED] wrote:
A client who uses Windows/Thunderbird is reporting the following error
when attempting to connect to her INBOX:
TLS not supported by avast mail scanner.
She needs to disable mail-scanning in Avast.
On Tue, 11 Nov 2008 09:39:32 -0300
Jaap Westerbeek [EMAIL PROTECTED] wrote:
Ok the (or some) spammer came back.
For some reason everything seems to originate from localhost, which isn't
telling me much.
Where to look , what to do ?
[snip]
You need the log entries for the email BEFORE it
On Fri, 31 Oct 2008 18:09:37 + (UTC)
Duane Hill [EMAIL PROTECTED] wrote:
Responding to the original message...
On Fri, 31 Oct 2008, Asai wrote:
[snip]
They may be having issues or you may be on their private blacklist.
worldswidedomainnames.com isn't even a registered domain
On Fri, 31 Oct 2008 11:29:04 -0700
Asai [EMAIL PROTECTED] wrote:
John Peach wrote:
On Fri, 31 Oct 2008 18:09:37 + (UTC)
Duane Hill [EMAIL PROTECTED] wrote:
Responding to the original message...
On Fri, 31 Oct 2008, Asai wrote:
[snip]
They may be having
On Wed, 01 Oct 2008 12:40:57 -0400
Chad Whitacre [EMAIL PROTECTED] wrote:
Please cite the relevant section of the relevant RFC.
Happy to if you point me to it. I'm not an expert.
Is this the right place?
https://tools.ietf.org/html/rfc5321#section-2.3.5
If it is, it does not
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