.
It automatically adds iptables rules to drop traffic from IP's which
repeatedly hit the various log files.
It has plenty of configuration options.
It either supports courier's log format out-of-the-box or can be easily
configured to do so.
Regards,
Tim Lyth
,
Tim Lyth
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ensured that I had data to feed in to authdaemond.
Regards,
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Also, please ensure that your reply goes to the mailing list rather than
my personal email address. This will increase the time it takes for
your problem to be resolved, and can cause thread-splits, which makes it
harder for people to follow the conversation flow.
Regards,
Tim Lyth
REJECTs the identlookup
packets sent from your email server toward theirs. This would
work-around the impatience as well.
Good luck.
Cheers,
Tim Lyth
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to my servers.
With all of the firewalling done, you can then set Courier to listen on
0.0.0.0:25, 0.0.0.0:465 0.0.0.0:587, but use iptables to limit who can
actually get through and on which ports.
Hope this helps (or at least gives you some more food-for-thought).
Cheers,
Tim Lyth
the Courier website.
Cheers,
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of subnet masks (long and/or short
form) in the smtpaccess/* files, so that you can more easily lock down
your RELAYCLIENTs to only the IPs you really want to be allowed to relay?
Cheers,
Tim Lyth
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Hi Matt,
What runlevel is it booting in to, and what does the appropriate
/etc/rc?.d/ have in the way of {K,S}??courier-mta symlinks?
Sounds like there's no S??courier-mta in the default runlevel.
Cheers,
Tim Lyth
On 22/09/2012 9:51 AM, m...@corenetworks.com.au wrote:
just got my raspberry pi
for just
about everything except passwords.
HTH,
Cheers,
Tim Lyth
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protocol requires SMTP servers to re-try delivery to a
remote server if they are given a soft error code; and
2) Most spam bots will give up if they receive any error code, and move
on to another address.
Regards,
Tim Lyth
say that your email address is given in all-caps, are
you refering to the RCPT TO: in the SMTP transaction of the 'To:'
field in the DATA of the SMTP transaction?
Cheers,
Tim Lyth
-BEGIN PGP SIGNATURE-
Version: GnuPG v2.0.19 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http
courierfilter: ImportError: No module named
courier.config
Where should the module courier.config be located and how do I fix this?
Regards,
Tim Lyth.
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.10 (MingW32)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
, alongside v2.6...
Cheers,
Tim Lyth
On 20/08/2010 14:48, Jeff Jansen wrote:
Tim Lyth t...@tcl.homedns.org wrote on 2010-Aug-20:
After I upgraded the python packages on my server, I'm no getting
neither of my greylisting or SA filtering methods applied through
the PythonFilter module.
Where
required but not available.
Is this an issue with Courier-IMAP, Courier-base or a Debian packaging
issue?
Cheers,
Tim Lyth
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.10 (MingW32)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
iQEcBAEBAgAGBQJL8OxhAAoJELhsjwetedeMACAH
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 17/05/2010 21:22, Alessandro Vesely wrote:
On 17/May/10 09:12, Tim Lyth wrote:
I've scoured log files to find any mention of requiring FAM on the
server and can't. I didn't see any warnings while 'apt-get upgrade'
was running about courier
thunderbird happy.
Absolutely nothing wrong with this AFAIK.
My mail server is set up in exactly the same way.
HTH,
Cheers,
Tim Lyth
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- or anything else I can do with the exception of replacing the hardware or
courier itself.
Have you considered using the greylisting module within pythonfilter?
It's low in the resource usage stakes AFAIK, but is very effective at
stopping 90%+ of spam.
Cheers,
Tim Lyth
Hi Alistair,
The best answer to your question will require further information from
you regarding your system setup, primarily which backend you are using
to keep your subscribers in.
Regards,
Tim Lyth
Mediawire - Alistair Campion wrote:
I
am looking for a script
,mta}.
Hope this provides you with the capabilities you want.
Cheers,
Tim Lyth
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greatly appreciated.
Cheers,
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@domain in my
database, or would I need both mailing-list@domain AND
mailing-list-subscr...@domain in the database as separate rows?
Cheers,
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is to leave your script the way it is, or at the very least
flag the message as spam so that your users can filter it in to a spam
folder in their email clients.
Cheers,
Tim Lyth
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Ken Sarkies wrote:
Ummm - just found the sqwebmail datafiles in the users' Maildir
directories, and deleting them seems to solve the problem. Whatever
happened seems to have hit all users.
cheers, Ken
Hi Ken,
I had a similar issue where my greylisting went hay-wire because of gdbm
to figure out the
correct salt length and value, should it?
Cheers,
Tim Lyth
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http
from my ISP's DNS servers for the
emiratesbank.com domain.
Have you tried rebooting the system (probably can restart one or more
services instead, but rebooting is more straight-forward)?
HTH,
Tim Lyth
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Hi all,
Apart from courier-analog, can anyone recommend any log analyser
programs that can read courier mail logs?
Cheers,
Tim Lyth
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Thanks for the assistance.
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courier-users mailing
Thanks for the reply Gordon.
I'm using v1.5 and Debian.
Unfortunately, the log file is vague.
And you were right about python-gdbm not being installed already.
So, it's now installed, and hopefully my greylisting of local clients
will be solved...
Cheers,
Tim Lyth
Gordon Messmer wrote:
Tim
as the information hadn't
changed.
But the behaviour has.
When I enable the smarthost line, any email sent out is immediately
DSN'd back stating:
Compatible SASL authentication not available.
What needs to be fixed, and how do I do it? (other than disabling
smarthosting...)
Cheers,
Tim Lyth
on the server.
But the telnet results:
220 smtp.ains.net.au ESMTP
EHLO tcl.homedns.org
250-smtp.ains.net.au
250-PIPELINING
250-8BITMIME
250 SIZE 2000
Doesn't give any clear suggestion as to what flavour of SMTP it's
running as far as I can tell.
Sam Varshavchik wrote:
Tim Lyth writes:
When
Add '-noidentlookup' to TCPDOPTS in /etc/courier/esmtpd and restart
Courier-MTA.
mattias wrote:
yes as the subject
how to spid upp it
i not remember
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It is the
It should be.
That's Sam Varshavchik's address.
Nick Ellson wrote:
Just watching my logs and noticed this:
courieresmtpd:
error,relay=:::216.34.181.88,from=courier-users-boun...@lists.sourceforge.net:
517 SPF fail mr...@courier-mta.com: Address does not pass the Sender Policy
Juan,
As per a previous message from you, you are using a MySQL backend.
There should be an option to specify the home directory for each account.
This in turn should be able to be returned by authlib and therefore save
you from having to build it up yourself.
HTH,
Cheers,
Tim Lyth
Juan
Can anyone say Catch 22.
The problem (emails from Sam via this mailing list are being blocked
with a 517 error) will prevent the solution provided by Sam from being
received by Nick.
Hopefully Nick will be able to receive my email and get the solution.
Cheers,
Tim Lyth
Sam Varshavchik
Forgot to include the list...
Incoming mail would be handled over SMTP, most probably, so Postfix
would be the daemon to handle the .forward file.
Khosrow Ebrahimpour wrote:
On 19 November 2008 02:08, Sam Varshavchik wrote:
If this was working before, than you were not using Courier.
Ricardo,
Have you checked to ensure that your mail filters are all running?
Check for any defunct courierfilter processes via top or ps.
Also, what version of Courier are you running?
Cheers,
Tim Lyth
Ricardo Kleemann wrote:
Hi,
I'm seeing this error in the mail log, repeated many times
but use an MD5 hash instead, or should I just hook
in to the authdaemon?
Thanks in advance,
Cheers,
Tim Lyth
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Thanks Martin,
I used the first two characters as the salt and was able to reproduce
the encryption and get the same cipher text.
This has made my task a lot easier now.
Cheers,
Tim Lyth
Martin Schuster (IFKL IT OS DSM CD) wrote:
Tim Lyth wrote:
[...]
I'm trying to write me own custom
I'm pretty sure that there's a .deb version of pythonfilter available
somewhere - I run Debian, but I can't remember how I installed
pythonfilter on my server. Gordon Messmer would know more.
Ricardo Kleemann wrote:
Hi,
I'm running Ubuntu with courier and wanted to implement greylisting.
IP's in to FQDNs - this
will mean that your email client (as well as courier) will have an FQDN
for every system it will speak to.
HTH again,
Tim Lyth
Sam Kuper wrote:
Hi Tim,
I hope you don't mind that I've taken the liberty of copying your
reply back to the list.
2008/10/26 Tim Lyth
I've done that before and it was successful.
YMMV.
Ricardo Kleemann wrote:
Hi,
I have my mailq filled with about 2500 messages, but I want to discard
them all. The cancelmsg command requires a msgid, there's no way to
wildcard.
Can I simply delete directories under /var/lib/courier/msgq
change anywhere along the way.
HTH.
Cheers,
Tim Lyth
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Steve Shockley wrote:
Tim Lyth wrote:
What do people recommend I do?
New wife is the only reasonable option.
I like the lateral thinking.
And I HAVE considered that, but for other reasons...
Cheers,
Tim Lyth
tempted to dig through the SA config file to edit the weighting for
the SPF_PASS test, but I'm concerned that this may lead to
false-negatives for genuine spam.
What do people recommend I do?
Cheers,
Tim Lyth
-
This SF.Net
account as if it were just
another folder.
Cheers,
Tim Lyth
Jérôme Blion wrote:
Sam Varshavchik a écrit :
Thomas writes:
Hi,
Is it somehow possible to use administrator credentials to access all
mailboxes? I'm using courier-imap-4.0.2 with courier-authlib-0.55
What does `netstat -npl|grep courier|grep 25` show?
On my system I get:
netstat -npl|grep courier|grep 25
tcp6 0 0 :::25 :::*
LISTEN 12828/couriertcpd
Cheers,
Tim Lyth
Jan Müller wrote:
-- Forwarded message --
From: Bowie
on where to look for further error messages/solutions?
Cheers,
Tim Lyth
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You win.
I hadn't edited /etc/pythonfilter.conf.
My bad, again.
Cheers,
Tim Lyth
-=Devil_InSide=- wrote:
your python filter probably not configured properly
after start of pythonfilter in log writes messages of each filters :
---
filterctl stop pythonfilter ; filterctl start ptythonfilter
` and the
only difference in the log file is the date and time.
-=Devil_InSide=- wrote:
what is in /var/log/mail.log after filterctl stop pythonfilter ; filterctl
start ptythonfilter ?
tail -n 100 /var/log/mail.log | grep courierfilter
,--[Tim Lyth, Tue, 06 May 2008 17:23:08 +1000]
|Hi
courier.config
Any suggestions on how to fix this issue?
Cheers,
Tim Lyth
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courier.config
Curiously (perhaps):
$ find / -name courier.config
$
Gordon Messmer wrote:
Tim Lyth wrote:
It seems that my pythonfilter is going defunct immediately after
courierfilter starts it.
...
May 2 20:39:34 five-hundred courierfilter: import courier.config
May 2 20:39:34 five
- I see you're up to 1.1 now - time for an upgrade I
think... :)
I downloaded v1.1 and installed that. Now I have a pythonfilter process
that isn't defunct. :D
Thanks for the quick assistance again, Gordon.
Gordon Messmer wrote:
Tim Lyth wrote:
$ python
Python 2.5.2 (r252:60911, Apr 17
You aren't by any chance using greylisting via pythonfilter?
If so, check the version of the db files it uses with the `file` command.
Best way to check to see if it MIGHT be greylisting DB issues is to
check the log files when Courier-MTA is restarted.
Matt Miller wrote:
I've just finished
, 2008.
Is it worth keeping this faulty files for further analysis or should I
just purge them from the system and forget about this issue that I've had?
Regards,
Tim Lyth
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My reason for wanting to change to encrypted passwords is if someone
managed to get in to my MySQL database they'd be able to read the
passwords to my email and COULD try use that information to break in to
more things.
I gave it a try in phpmyadmin to modify an existing row in the MySQL
of using something like phpmyadmin to dump the
clear passwords in to the encrypted password fields via the function in
answer a)?
Regards,
Tim Lyth
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Did you remember to restart/reload the server to ensure that it's using
the latest config file?
I've been caught out thinking that reconfiguring a plugin (like clamav)
would take effect immediately, but had to restart/reload the server to
get it to pick up the new config.
FM wrote:
Hello,
I
Hi FM,
Add to /etc/courier/bofh (or wherever the Courier config files are for you):
opt BOFHBADMIME=accept
I was getting the same error with my Courier smtpd until I found this
option.
Cheers,
Tim Lyth
FM wrote:
Hello,
I upgrade from 0.52.1 to 0.57
Now lots of message have
Hi,
I'm using version 2.0.0.6 (20070728) of Thunderbird with Courier-IMAP
(Debian package version 4.2.0-1 ).
I have no issues with it at all. I have IMAP_ENHANCEDIDLE=1.
Cheers,
Tim Lyth
[EMAIL PROTECTED] wrote:
Hello !
I'm setting up an email server on debian etch using Postfix, Maildrop
in previous emails, I KNOW that greylisting is
working wonders - I used to get 10 spam every day.
Yes, I know 10 spam isn't many, but it was accounting for over half of
the email I was receiving most days.
Jeff Jansen wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Tim Lyth wrote:
Thanks
I'd follow Jeff's advise - rate limiting via IP tables, but I'd add -i
external interface to each of those lines.
I am assuming that your email server has multiple network connections
and the attacks are coming from the external interface, not the internal
one.
That way, you don't have ANY
.
1 Spammer was persistent enough to get around the greylisting but, as
previously posted, has been caught out by SA.
All in all, I'd say greylisting is a true winner for anyone wanting to
kill spam dead.
Cheers,
Tim Lyth
Jeff Jansen wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Tim
has already been taken care of by other methods as
detailed in the page I've linked.
Regards,
Tim Lyth
Matthias Wimmer wrote:
Hi!
I am running a courier setup, where I have installed some mail filters,
that are responsible to do spam and virus checking as well as
greylisting
?
Cheers,
Tim Lyth
Jeff Jansen wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Tim Lyth wrote:
Thanks for the pointers to look in the folder.
Followed the rest of the instructions and my MX now greylists.
Goodbye spam (hopefully).
I'm sure many of us would appreciate it if you'd
Hi Christos,
Looks like the username might have an extra character in it.
What's the MYSQL_USERNAME variable set to in /etc/courier/authmysqlrc ?
Cheers,
Tim Lyth
Christos Sintoris wrote:
Hi,
I have setup postfix and courier using mysql auth. Postfix works fine,
but when i try to connect
someone please advise what to do from here, as I want to be able
to use greylisting to stop the spammers, but don't want to delay local
users (by IP) when they are trying to send email?
Cheers,
Tim Lyth
-
This SF.net email
Bah, my bad.
Was late at night and I was tired and wasn't looking in the right place
for the file.
Cheers.
[EMAIL PROTECTED] wrote:
Tim Lyth a écrit :
In the quick start guide, step 5.2 states to run anydbm_import.py
Unfortunately, my Debian system doesn't appear to have
:D:D:D:D
Thanks for the pointers to look in the folder.
Followed the rest of the instructions and my MX now greylists.
Goodbye spam (hopefully).
Cheers,
Tim Lyth
[EMAIL PROTECTED] wrote:
Tim Lyth a écrit :
In the quick start guide, step 5.2 states to run anydbm_import.py
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