A while back someone posted a message about how MTAs generally respond
to an unresponsive server given three different ways of setting up
multiple MX mail servers:
1. A single MX record with multiple A's for the hostname:
example.com mail is handled by 10 a.mx.example.com
Res wrote:
[]
on our internal email servers (and on my personal one) I use
milter-regex to stop all those pesky cable/dial/dsl users, its great
because i can also use this rule in milter-regex.conf :
reject Access Denied ; Please use the English language when
communicating with us
header
On Thu, January 15, 2009 7:56 am, secSwami said:
After trying for another day to get my postfix config to work for
virtual domains, I would really appreciate if someone can give me an
example of WORKING main.cf file.
The problem I am having is whenever a MOBILE user is trying to send
email
myhostname = hostname
mydomain = hostname
If the hostname is not valid, postfix fails to start. It have to be
resolved by DNS and the IP must be the IP of one of the interface of the
server which run Postfix.
So I have to use a name that is resolved in many different IPs, I think
Michael Tokarev m...@tls.msk.ru wrote:
[...]
More and more email software uses UTF8 encoding nowadays, instead of
a single-byte encodings like KOI8, WINDOWS1251 and the like above.
And with UTF8, there's no simple way anymore to detect the language
actually used.
It is possible to *guess*
I have different SMTP gateways each one configurred exactly at
the
same
manner. The only difference is the hostname.
I would like to know if I could define /etc/postfix as an NFS
share
somewhere and export it on each of my SMTP gateways. The aim is
obviously to change
I want to add header
smtpd_data_restrictions = check_client_access pcre:add_header.cf
add_header.cf:
PREPEND X-Sender-IP: $1
Is any way to delete this header from input message, but do not delete
header inserted by postfix?
On Thu, 2009-01-15 at 10:35 +0200, bharathan kailath wrote:
hi
in smtp out server i configured the following:
smtpd_sender_restrictions =
check_sender_access hash:/etc/postfix/mydomains
reject_unauth_destination
This is what I do
smtpd_sender_restrictions =
check_sender_access
Hi,
I have installed postfix on a small vServer (256Mb Ram, 10GB HD). I
installed it with dovecot, mysql and postfixadmin.
When I tested it, I got lots of Cannot allocate Memory errors.
vzfree told me, that I have enough memory. So I assumed a problems with open
sockets.
I added
On Wed, 2009-01-14 at 22:56 -0800, secSwami wrote:
Hi,
After trying for another day to get my postfix config to work for
virtual domains, I would really appreciate if someone can give me an
example of WORKING main.cf file.
The problem I am having is whenever a MOBILE user is trying to
seem to be both lack of RAM (privvmpages) and way to small tcprcvbuf
On Thu, Jan 15, 2009 at 12:58 PM, Nathan Hüsken
nathan.hues...@googlemail.com wrote:
Hi,
I have installed postfix on a small vServer (256Mb Ram, 10GB HD). I
installed it with dovecot, mysql and postfixadmin.
When I tested
Sorry, and numfile. Means you have too many open files(which explains why
you can't open new sockets)
On Thu, Jan 15, 2009 at 1:10 PM, Mattias Berge matti...@travellab.comwrote:
seem to be both lack of RAM (privvmpages) and way to small tcprcvbuf
On Thu, Jan 15, 2009 at 12:58 PM, Nathan
Rocco Scappatura:
I have different SMTP gateways each one configurred exactly at
the
same
manner. The only difference is the hostname.
I would like to know if I could define /etc/postfix as an NFS
share
somewhere and export it on each of my SMTP gateways. The aim
Zitat von Nathan Hüsken nathan.hues...@googlemail.com:
Hi,
I have installed postfix on a small vServer (256Mb Ram, 10GB HD). I
installed it with dovecot, mysql and postfixadmin.
When I tested it, I got lots of Cannot allocate Memory errors.
With the most crippled vServers sold today you get
Nathan H?sken:
Hi,
I have installed postfix on a small vServer (256Mb Ram, 10GB HD). I
installed it with dovecot, mysql and postfixadmin.
When I tested it, I got lots of Cannot allocate Memory errors.
The primary MX for porcupine.org runs on a non-virtual machine
with 256MB and never has
Let's suppose i have postfix running smtpd processes in two
different ports. 25 and 587, for example.
is it possible, in the logs, to differ which connections came from
25 and which came from 587 ?? I know i can analyze the full transaction
and look for sasl authentications on 587 or
Rocco Scappatura schrieb:
myhostname = hostname
mydomain = hostname
If the hostname is not valid, postfix fails to start. It have to be
resolved by DNS and the IP must be the IP of one of the interface of
the server which run Postfix.
So I have to use a name that is resolved in
Leonardo Rodrigues Magalh?es:
Let's suppose i have postfix running smtpd processes in two
different ports. 25 and 587, for example.
is it possible, in the logs, to differ which connections came from
25 and which came from 587 ?? I know i can analyze the full transaction
I have a requirement to always_bcc except when email is internal. I have
investigated options such as always_bcc, sender|recipient_bcc_maps and none
seem to fully address the issue.
Sample scenario.
My domain is example.com; when a email's RECIPIENT and SENDER are both @
example.com then
Hi!
I'm using postfix 2.5.4 on our academic server and it worked great.
Thanks ;-)
I created a mailbox associated with an email address of t...@hec.ca
# echo t...@hec.ca | postmap -q - ldap:ldap_users
t...@hec.ca mailtest1
and delivery to it work correctly.
Jan 15 08:56:20 postfix
Eric Sammons:
I have a requirement to always_bcc except when email is internal.
Instead of always_bcc use sender_bcc_maps or recipient_bcc_maps.
I have
investigated options such as always_bcc, sender|recipient_bcc_maps and none
seem to fully address the issue.
Yes they do. Just configure
Eddy Beliveau:
Hi!
I'm using postfix 2.5.4 on our academic server and it worked great.
Thanks ;-)
I created a mailbox associated with an email address of t...@hec.ca
# echo t...@hec.ca | postmap -q - ldap:ldap_users
t...@hec.ca mailtest1
and delivery to it work correctly.
Tim Tyler wrote:
Postfix users,
I see a number of examples on how to configure Postfix as a gateway
for multiple domains. However, I would like to configure Postfix for
one domain that splits users to different smtp servers depending upon
their ldap group. Does anyone have an example of
On Jan 15, 2009, at 11:25 AM, Gilles Albusac wrote:
Is it possible to set up Postfix to choose an SMTP relayhost when
routing
outbound mail based on the domain name of the sender ?
try using transport map
http://www.postfix.org/ADDRESS_REWRITING_README.html#transport
# TRANSPORT MAP
#
#
Hello!
(sorry for my trash-english)
Will Postfix handle properly multiple PTR records when
reject_unknown_client_hostname is in effect?
Like would it accept an e-mail when it comes from 1.2.3.4 and
2001::1234:2 if smtp_helo_name is mail.example.com when the DNS records
are the following?
Halassy Zolt??n:
Hello!
(sorry for my trash-english)
Will Postfix handle properly multiple PTR records when
reject_unknown_client_hostname is in effect?
Postfix does not handle PTR records.
Postfix takes the first hostname that the getnameinfo() system
library function returns, and if
hi
in smtp out server i configured the following:
smtpd_sender_restrictions =
check_sender_access hash:/etc/postfix/mydomains
reject_unauth_destination
it works but later on i realised that one email user is using smtp out
server to forward mails to his another id; and these mails get
bharathan kailath wrote:
hi
in smtp out server i configured the following:
smtpd_sender_restrictions =
check_sender_access hash:/etc/postfix/mydomains
reject_unauth_destination
it works but later on i realised that one email user is using smtp out
server to forward mails to his
jeff_homeip a écrit :
[snip]
When I added this back, all worked fine. If I remove this one restriction
(check_sender_access), I can no longer send.
is this check_sender_access, because it's not rejecting the sender, allowing
it somehow?
no. it's more probable that you have errors in
On Thu, Jan 15, 2009 at 10:01:51PM +0100, mouss wrote:
jeff_homeip a ?crit :
[snip]
When I added this back, all worked fine. If I remove this one restriction
(check_sender_access), I can no longer send.
is this check_sender_access, because it's not rejecting the sender,
allowing
hi
i've got smtpout1 and smtpout2 servers; can i specify a particular domain to
send thru smtpout1 (as relayhost) and another domain thru smtpout2 (as
relayhost) in postfix!?
Halassy Zoltán a écrit :
Hello!
(sorry for my trash-english)
Will Postfix handle properly multiple PTR records when
reject_unknown_client_hostname is in effect?
this has nothing to do with PTRs. this only checks that helo resolves.
the resulting IP doesn't matter.
Like would it accept
Rich Shepard wrote:
I'd like to fix a long-standing issue here; namely, I'm not calling the
zen zone at spamhaus.org properly in main.cf. What I have is:
reject_rbl_client zen.spamhaus.org,
as a smtpd_client_restrictions entry.
Reading the spamhaus web site FAQs I see that zen
On Thu, 15 Jan 2009, Matt Hayes wrote:
This usually happens when you are going above their amount of queries
they limit free use to.
Matt,
Interesting. There are only two of us users at this domain and the
overwhelming majority of incoming messages are spam that's rejected by
postfix. We
Rich Shepard a écrit :
I'd like to fix a long-standing issue here; namely, I'm not calling the
zen zone at spamhaus.org properly in main.cf. What I have is:
reject_rbl_client zen.spamhaus.org,
as a smtpd_client_restrictions entry.
This works.
Reading the spamhaus web site FAQs
Rich Shepard a écrit :
On Thu, 15 Jan 2009, Matt Hayes wrote:
This usually happens when you are going above their amount of queries
they limit free use to.
Matt,
Interesting. There are only two of us users at this domain and the
overwhelming majority of incoming messages are spam
On Thu, 15 Jan 2009, mouss wrote:
if you forward DNS queries to your ISP, then the rate limit applies to
your ISP. spamhaus don't see mail hitting your servers. They only see DNS
queries.
Ah, so! That explains it. I run Dan Bernstein's dnscache here, but use my
ISP's DNS servers otherwise.
Rich Shepard wrote:
Ah, so! That explains it. I run Dan Bernstein's dnscache here, but
use my
ISP's DNS servers otherwise.
So, now I need to consider whether to remove the spamhaus line from
main.cf or set up and maintain my own dns server.
I find that having a local unix-based dns
On Thu, 15 Jan 2009, J Sloan wrote:
I find that having a local unix-based dns server is often orders of
magnitude faster than relying on an upstream isp for dns resolution.
Joe,
I don't know that the effort to set up and maintain djbdns is worth any
speed increase. I've no basis for
On Thu, 15 Jan 2009, Victor Duchovni wrote:
You don't need to run your own DNS server provided your cache does not
forward cache misses to the ISP. A local cache is sufficient.
Victor,
I assume that dnscache does forward misses up the line, and apparently
zen.spamhaus.org never made it
Rich Shepard wrote:
On Thu, 15 Jan 2009, J Sloan wrote:
I find that having a local unix-based dns server is often orders of
magnitude faster than relying on an upstream isp for dns resolution.
Joe,
I don't know that the effort to set up and maintain djbdns is worth any
speed increase.
On Fri, 16 Jan 2009, Res wrote:
It's been proven time after time after time this is not so, and/or
whatever they use to calculate this, is horribly inaccurate and has been
for a long time.
THank you, Res. I changed DNS nameservers and resolved the issue.
Rich
--
Richard B. Shepard, Ph.D.
On Thu, 15 Jan 2009, J Sloan wrote:
Dunno about djbdbs - last I checked it was rather long in the tooth - but
using the standard bind9, out of the box, as shipped by linux vendors and
used as a caching dns server is a very cheap and easy speedup.
Joe,
I've been running DJB's dnscache for a
Hi,
So after trying and trying other methods of making postfix send emails
for the SASL authenticated users to work, I am trying to now use dovecot
sasl config.
My main purpose is that I should be able to SEND email from anywhere on
the internet using my POSTFIX mail server. There is seems
secSwami wrote:
So after trying and trying other methods of making postfix send emails
for the SASL authenticated users to work, I am trying to now use
dovecot sasl config.
My main purpose is that I should be able to SEND email from anywhere
on the internet using my POSTFIX mail server. There
Hi,
milter manager 0.7.0 has been released.
http://milter-manager.sourceforge.net/
http://sourceforge.net/project/showfiles.php?group_id=236233
ClearCode Inc. is developing milter manager for a public
issue bussiness of IPA (INFORMATION-TECHNOLOGY PROMOTION
AGENCY). This is the first
Viktor Wrote:
On Thu, Jan 15, 2009 at 10:01:51PM +0100, mouss wrote:
jeff_homeip a ?crit :
[snip]
When I added this back, all worked fine. If I remove this one
restriction
(check_sender_access), I can no longer send.
is this check_sender_access, because it's not rejecting the
On Thu, 15 Jan 2009, Victor Duchovni wrote:
This misses the point, ...
Victor,
I'm not at all surprised. I've never delved deeply into DNS; it's so
peripheral to our business that I have no time to spend learning all about
it.
Your explanation is much appreciated.
Rich
--
Richard B.
Hi Thomas,
Thanks for you suggestion, could you please me get your dovecot.conf
info too? and do you startup saslauthd service?
Thanks again.
Thomas wrote:
secSwami wrote:
So after trying and trying other methods of making postfix send
emails for the SASL authenticated users to work, I am
secSwami wrote:
Thanks for you suggestion, could you please me get your dovecot.conf
info too? and do you startup saslauthd service?
As you wish:
grep -v ^\# dovecot.conf | grep -v ^ *\# | grep -v ^$
protocols =imaps
disable_plaintext_auth = yes
log_timestamp = %Y-%m-%d %H:%M:%S
secSwami wrote:
Thanks for you suggestion, could you please me get your dovecot.conf
info too? and do you startup saslauthd service?
As you wish:
grep -v ^\# dovecot.conf | grep -v ^ *\# | grep -v ^$
protocols =imaps
disable_plaintext_auth = yes
log_timestamp = %Y-%m-%d %H:%M:%S
Thanks a bunch Thomas!!
One more thing do you create users on the system itself or use users and
password from a file?
Thanks again...much much appreciated.
Thomas wrote:
secSwami wrote:
Thanks for you suggestion, could you please me get your dovecot.conf
info too? and do you startup
We have a milter that examines emails and adds headers if it believes they
are spam. However, it looks like 33% of the time, the headers that we've
added to the email are stripped out by postfix before delivery, which ends
up causing a lot of spam to get delivered. We've snooped the
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