Re: Unknown mail transport error with v2.6.6 on Centos 6.3 (solved)

2012-08-04 Thread Nikolaos Milas
On 4/8/2012 1:25 πμ, Morten Stevens wrote: If you want to try it: http://download.imt-systems.com/postfix/2.9.4/ Thanks Morten, I tried it and initially it did not work (same problem). I guess something might have been broken in this system. I then did a system upgrade and after that I

How to write a script for postfix-out instance creation ?

2012-08-04 Thread Naval saini
I have configured postfix with multiple instance (around 10) on my centos 6.2 server with postfix 2.6.6 .It's working fine but when server get blacklisted or down I need to configure other server which takes a lot of time that's why i want to create a script for multiple postfix instance creation

Re: How to write a script for postfix-out instance creation ?

2012-08-04 Thread Wietse Venema
Naval saini: I have configured postfix with multiple instance (around 10) on my centos 6.2 server with postfix 2.6.6 .It's working fine but when server get blacklisted or down I need to configure other server which takes a lot of time that's why i want to create a script for multiple postfix

Re: Unknown mail transport error with v2.6.6 on Centos 6.3 (solved)

2012-08-04 Thread Nikolaos Milas
On 4/8/2012 11:11 πμ, Nikolaos Milas wrote: I guess something might have been broken in this system. In /var/log/messages I found large number of errors like: Aug 3 14:41:13 dc kernel: smtp[13853]: segfault at 1 ip 7f9522e38596 sp 7fff633a5fc0 error 6 in

Re: Unknown mail transport error with v2.6.6 on Centos 6.3 (solved)

2012-08-04 Thread Morten Stevens
On 04.08.2012 15:50, Nikolaos Milas wrote: On 4/8/2012 11:11 πμ, Nikolaos Milas wrote: I guess something might have been broken in this system. In /var/log/messages I found large number of errors like: Aug 3 14:41:13 dc kernel: smtp[13853]: segfault at 1 ip 7f9522e38596 sp

how long does smtpd leave connection open?

2012-08-04 Thread Stan Hoeppner
Would someone kindly point me to the docs that describe the behavior of smtpd socket open time in relation to clients that do connection caching? I've been assisting in a troubleshooting effort. A sendmail/mailman based list server is opening more than 4 concurrent connections to my MX even when

Re: how long does smtpd leave connection open?

2012-08-04 Thread Wietse Venema
Stan Hoeppner: Would someone kindly point me to the docs that describe the behavior of smtpd socket open time in relation to clients that do connection caching? http://www.postfix.org/postconf.5.html#smtpd_timeout It's stress-dependent. I've been assisting in a troubleshooting effort. A

Re: post screen - temp whitelist TTL

2012-08-04 Thread /dev/rob0
I'm not addressing the subject of the post, but just picking over the configuration snippet. On Wed, Aug 01, 2012 at 09:48:45PM -0500, Chad M Stewart wrote: [root@mta01 /usr/local/etc/postfix]# postconf -n|grep postscreen [snip] postscreen_client_connection_count_limit = 10 I'm not sure why

Re: how long does smtpd leave connection open?

2012-08-04 Thread Viktor Dukhovni
On Sat, Aug 04, 2012 at 09:11:07AM -0500, Stan Hoeppner wrote: Would someone kindly point me to the docs that describe the behavior of smtpd socket open time in relation to clients that do connection caching? $ postconf -d smtpd_timeout smtpd_timeout =

Re: how long does smtpd leave connection open?

2012-08-04 Thread Stan Hoeppner
On 8/4/2012 9:19 AM, Wietse Venema wrote: Stan Hoeppner: Would someone kindly point me to the docs that describe the behavior of smtpd socket open time in relation to clients that do connection caching? http://www.postfix.org/postconf.5.html#smtpd_timeout It's stress-dependent. Thanks

Re: Unknown mail transport error with v2.6.6 on Centos 6.3 (solved)

2012-08-04 Thread Nikolaos Milas
On 4/8/2012 4:58 μμ, Morten Stevens wrote: Do you have an IPv6 address in your /etc/resolv.conf? Thanks Morten for the feedback, Yes, I had IPv6 address(es) in /etc/resolv.conf ! Things are clearer now! I had: Jul 13 12:10:30 Updated: glibc-2.12-1.80.el6.x86_64 Jul 13 12:11:43 Updated:

Re: post screen - temp whitelist TTL

2012-08-04 Thread Chad M Stewart
On Aug 4, 2012, at 10:08 AM, /dev/rob0 wrote: I'm not addressing the subject of the post, but just picking over the configuration snippet. On Wed, Aug 01, 2012 at 09:48:45PM -0500, Chad M Stewart wrote: [root@mta01 /usr/local/etc/postfix]# postconf -n|grep postscreen [snip]

Re: post screen - temp whitelist TTL

2012-08-04 Thread Reindl Harald
Am 04.08.2012 23:41, schrieb Chad M Stewart: postscreen_greet_banner = Welcome to our mail server This is non-compliant and a bad idea. That is prepended to the banner, the banner becomes a multi-line response, with the last line being the fqdn of the host. this is a bad idea, this was