Nataraj wrote:
p...@alt-ctrl-del.org wrote:
Hello postfix admins,
I have always placed all restrictions in
smtpd_recipient_restrictions. Over the last few days, I have been
experimenting with breaking the restrictions up into client, helo,
sender, etc. I ran into something odd (to me), when
rks from smtpd_helo_restrictions
and then try the hello command that matches an address in mynetworks?
What I'm asking, is if the helo restrictions is really where the permit
is happening?
Nataraj
false
positives. If you have a large site, check their web pages, since they
do charge for high volume query rates and will block your access if you
exceed the free limit.
Nataraj
el.net[95.134.218.74] for
service smtp
May 26 15:55:42 aspen postfix/smtpd[17267]: disconnect from
74-218-134-95.pool.ukrtel.net[95.134.218.74]
May 26 15:56:17 aspen postfix/smtpd[21694]: connect from
114-26-181-192.dynamic.hinet.net[114.26.181.192]
Nataraj
Nataraj wrote:
brian wrote:
On 10-05-26 03:55 PM, Noel Jones wrote:
Some random suggestions...
Use a bogus MX record for the old domain if that domain has no valid
mail recipients. Of course, some bots will connect to your A record
anyway...
OK, I like the sound of that. Per your other
T EXCEPTING MAIL"
Here's a simple script to build the hash file from smtpd_recipient_access
#! /bin/bash
/usr/sbin/postmap hash:/etc/postfix/smtpd_sender_access
/bin/chgrp postfix smtpd_sender_access*
/bin/chmod g=r,o-rwx smtpd_sender_access*
Nataraj
postfix sql interface because it is much
faster and causes sooner rejection of bad reciepients in the smtpd
session, increasing the performance of my mail server.
Nataraj
Nataraj
ider
borderline spamming, but sometimes it's easier to farm things out than
implement everything yourself. If it interests you, I can send you the
name of one that one of my clients likes, though I have no personal
experience.
Nataraj
can accept, reject, continue.
Nataraj
Nataraj wrote:
Hi,
I would appreciate any suggestions anyone can offer on the following
problem that I'm having with postfix...
I'm running postfix+pgsql-2.3.3-2.1.el5_2 on a CentOS 5.4 server. I
see what looks likes a server in stress mode as described in
http://www.p
Noel Jones wrote:
On 5/5/2010 1:06 PM, Nataraj wrote:
Mike A. Leonetti wrote:
Thanks for the reply, Nataraj.
I did see that online and the server does have SASL Auth working,
but we
are having a difficult time getting it to try and provide a
username/password on the Exchange server so I
Mike A. Leonetti wrote:
Thanks for the reply, Nataraj.
I did see that online and the server does have SASL Auth working, but we
are having a difficult time getting it to try and provide a
username/password on the Exchange server so I was wondering if there was
a way to get around that
your mailq? Is the spam that you are seeing addressed to local delivery
addresses at your site? Are there bounce messages in your mailq? I
realize you are forwarding local mail to gmail. So is your mailq filled
up with spam getting forwarded to gmail?
nataraj
ilable for other purposes.
Nataraj
Wietse Venema wrote:
Nataraj:
Thank you everyone for your helpful responses. I've narrowed the problem
down further, though it is not solved yet. It does not appear to be
specific to postfix. I've written a simple program with a select
statement that delays 10 seconds when run on
Wietse Venema wrote:
Nataraj:
I am extensively familiar with my main.cf file and am aware of exactly
what changes have been made. This mail server has been running stably
for years and I am not yet aware of changes to the mail configuration
files surrounding the time when this problem
P.A wrote:
Nataraj, thanks for the reply, below is the postconf -n output.
As far as your explanation as to why the other services are slow, pop/imap,
it may be that the TCP stack is under heavy load and might slow down these
connections but the server CPU/MEM are fine and the connections are
Charles Gregory wrote:
On Tue, 4 May 2010, Nataraj wrote:
I do not have a front end on my mailserver. All incoming mail comes
directly into postfix. I am running a vpostmaster install which is
not a front end,
I'm not an expert on this, but your machine ID's with 'vpost
N. Yaakov Ziskind wrote:
Noel Jones wrote (on Tue, May 04, 2010 at 02:33:48PM -0500):
On 5/4/2010 2:16 PM, Charles Gregory wrote:
On Tue, 4 May 2010, Nataraj wrote:
Enclosed is a tcpdump of a telnet connection where nothing was typed,
i.e. I telnetted to the smtp server and 5
guration issues. I guess one option at this
point is to try to fire up the debugger on an SMTPD process and see
what's really going on (or add some debugging code which logs the details).
Nataraj
173-16-199-243.client.mchsi.com[173.16.199.243]
May 4 12:56:11 aspen postfix/smtpd[1277]: timeout after CONNECT from
173-16-199-243.client.mchsi.com[173.16.199.243]
May 4 12:56:11 aspen postfix/smtpd[1277]: disconnect from
173-16-199-243.client.mchsi.com[173.16.199.243]
Nataraj
Charles Gregory wrote:
On Tue, 4 May 2010, Nataraj wrote:
Enclosed is a tcpdump of a telnet connection where nothing was typed,
i.e. I telnetted to the smtp server and 5 seconds later the server
closed the connection.
THIS IS NORMAL. As I said previously, type the MAIL FROM, RCPT TO, and
Nataraj wrote:
Noel Jones wrote:
Please show the contents of your master.cf
See the enclosed attachment.
Thank You,
Nataraj
Enclosed is a tcpdump of a telnet connection where nothing was typed,
i.e. I telnetted to the smtp server and 5 seconds later the server
closed the
Noel Jones wrote:
Please show the contents of your master.cf
See the enclosed attachment.
Thank You,
Nataraj
#
# Postfix master process configuration file. For details on the format
# of the file, see the master(5) manual page (command: "man 5 m
Here is the complete output of postconf -n. Thanks...
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
broken_sasl_auth_clients = yes
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
disable_vrfy_command =
ng for the final tcp handshake which closes the connection and for
the kernel tcp stack to clear them out.
Nataraj
lst_ho...@kwsoft.de wrote:
Zitat von Nataraj :
lst_ho...@kwsoft.de wrote:
Zitat von Nataraj :
lst_ho...@kwsoft.de wrote:
Zitat von Nataraj :
Hi,
I would appreciate any suggestions anyone can offer on the
following problem that I'm having with postfix...
I'm running pos
lst_ho...@kwsoft.de wrote:
Zitat von Nataraj :
lst_ho...@kwsoft.de wrote:
Zitat von Nataraj :
Hi,
I would appreciate any suggestions anyone can offer on the
following problem that I'm having with postfix...
I'm running postfix+pgsql-2.3.3-2.1.el5_2 on a CentOS 5.4 server.
lst_ho...@kwsoft.de wrote:
Zitat von Nataraj :
Hi,
I would appreciate any suggestions anyone can offer on the following
problem that I'm having with postfix...
I'm running postfix+pgsql-2.3.3-2.1.el5_2 on a CentOS 5.4 server. I
see what looks likes a server in stress mode as de
mmand_limit = 100
smtpd_recipient_limit = 1000
smtpd_recipient_overshoot_limit = 1000
smtpd_soft_error_limit = 10
THank you,
Nataraj
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