seamless postfix migration to a new server

2013-10-12 Thread teknet9
Hello Everybody, I need to migrate my old postfix server to a new machine. Domain will be the same. I would like to make this migration seamless for the end users and give them 1-2 months for migration (both servers should work at that time correctly). My current deployment is the following: -

Re: Some postfix delivering problems

2013-10-12 Thread Wietse Venema
asbaeza: Hi I am getting some problems with my postfix installation. I use postfix+amavis+clamav+spamassassin in a Debian box. I recently changed from sendmail+canit pro to this configuration. The last error I get is something like: Command time limit exceeded: procmail

Re: Some postfix delivering problems

2013-10-12 Thread Jeroen Geilman
On 10/12/2013 07:34 AM, asbaeza wrote: Hi I am getting some problems with my postfix installation. I use postfix+amavis+clamav+spamassassin in a Debian box. I recently changed from sendmail+canit pro to this configuration. The last error I get is something like: Command time

Re: seamless postfix migration to a new server

2013-10-12 Thread Jeroen Geilman
On 10/12/2013 09:54 AM, teknet9 wrote: Hello Everybody, I need to migrate my old postfix server to a new machine. Domain will be the same. I would like to make this migration seamless for the end users and give them 1-2 months for migration (both servers should work at that time correctly). 1

Re: seamless postfix migration to a new server

2013-10-12 Thread teknet9
Hello Jeroen, Thank you for advise. I have many users i can not allow for any downtime (not even few seconds). Also i can not loose any single email. Your solution will not guarantee that. I am looking for true HA solution. That is why both servers needs to work at the same time for 1-2 months

Re: seamless postfix migration to a new server

2013-10-12 Thread li...@rhsoft.net
Am 12.10.2013 17:04, schrieb teknet9: I have many users i can not allow for any downtime (not even few seconds) says who? not even a few seconds is unrealistic even at normal operations e-mail is not a real-time messenger Also i can not loose any single email why should you? you most

Re: Some postfix delivering problems

2013-10-12 Thread Armando Soto Baeza
El sáb, 12-10-2013 a las 15:59 +0200, Jeroen Geilman escribió: On 10/12/2013 07:34 AM, asbaeza wrote: Hi I am getting some problems with my postfix installation. I use postfix+amavis+clamav+spamassassin in a Debian box. I recently changed from sendmail+canit pro to this configuration.

Re: Some postfix delivering problems

2013-10-12 Thread Armando Soto Baeza
El sáb, 12-10-2013 a las 08:13 -0400, Wietse Venema escribió: asbaeza: Hi I am getting some problems with my postfix installation. I use postfix+amavis+clamav+spamassassin in a Debian box. I recently changed from sendmail+canit pro to this configuration. The last error I get

Re: seamless postfix migration to a new server

2013-10-12 Thread DTNX Postmaster
On Oct 12, 2013, at 17:04, teknet9 tekn...@o2.pl wrote: Thank you for advise. I have many users i can not allow for any downtime (not even few seconds). Also i can not loose any single email. Your solution will not guarantee that. I am looking for true HA solution. That is why both

Re: seamless postfix migration to a new server

2013-10-12 Thread Jeroen Geilman
On 10/12/2013 07:16 PM, DTNX Postmaster wrote: On Oct 12, 2013, at 17:04, teknet9 tekn...@o2.pl wrote: Thank you for advise. I have many users i can not allow for any downtime (not even few seconds). Also i can not loose any single email. Your solution will not guarantee that. I am looking

How to reduce the time before queue manager

2013-10-12 Thread boson code
Hello All, My system is fairly high-end. 15TB bandwidth, 8 core cpu and 16G RAM, centos 64bit, postfix 2.6.6. I've been running postfix successfully for almost 6 months now but recently i've noticed that the mails are spending lot of time outside queue. There has been no change in hardware or

Re: How to reduce the time before queue manager

2013-10-12 Thread boson code
Here is my postconf -n output: alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin config_directory = /etc/postfix connection_cache_ttl_limit = 300s daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix

Re: seamless postfix migration to a new server

2013-10-12 Thread DTNX Postmaster
On Oct 12, 2013, at 19:39, Jeroen Geilman jer...@adaptr.nl wrote: On 10/12/2013 07:16 PM, DTNX Postmaster wrote: On Oct 12, 2013, at 17:04, teknet9 tekn...@o2.pl wrote: Thank you for advise. I have many users i can not allow for any downtime (not even few seconds). Also i can not loose any

Re: How to reduce the time before queue manager

2013-10-12 Thread Wietse Venema
boson code: Hello All, My system is fairly high-end. 15TB bandwidth, 8 core cpu and 16G RAM, centos 64bit, postfix 2.6.6. I've been running postfix successfully for almost 6 months now but recently i've noticed that the mails are spending lot of time outside queue. There has been no change

if endif

2013-10-12 Thread gle
Wietse, Thank you for adding if-endif to header and body checks. A report on About.com states that in 2010 there were about 294 billion emails sent per day, 90% of which were spam. With numbers like that, trying to go through and blacklist individual IP addresses or users is a waste of time.

Domains without MX Records

2013-10-12 Thread Roman Gelfand
Looking through the logs, I have noticed an attempt to send out mail which temporary local fails. I did a dig mx and noticed there is no mx record. I then tried to connect to the email address domain portion of the name. Sure enough, I was able to connect. Is this legitimate configuration of

Re: Domains without MX Records

2013-10-12 Thread Noel Jones
On 10/12/2013 10:19 PM, Roman Gelfand wrote: Looking through the logs, I have noticed an attempt to send out mail which temporary local fails. I did a dig mx and noticed there is no mx record. I then tried to connect to the email address domain portion of the name. Sure enough, I was able

Re: Domains without MX Records

2013-10-12 Thread Roman Gelfand
but I am geting the following message said: 451 Temporary local problem - please try later (in reply to RCPT TO command)) it is stuck forever in a queue until it fails. Is there a setting I need to set so it should be accepted. On Sat, Oct 12, 2013 at 11:35 PM, Noel Jones

Re: Domains without MX Records

2013-10-12 Thread Roman Gelfand
sorry about this. I guess it has nothing to do with mx records. It is the remote server telling me their server is not able to accept mail. On Sun, Oct 13, 2013 at 12:04 AM, Roman Gelfand rgelfa...@gmail.com wrote: but I am geting the following message said: 451 Temporary local problem -

Re: Domains without MX Records

2013-10-12 Thread Peter
On 10/13/2013 05:10 PM, Roman Gelfand wrote: On Sun, Oct 13, 2013 at 12:04 AM, Roman Gelfand rgelfa...@gmail.com wrote: said: 451 Temporary local problem - please try later (in reply to RCPT TO command)) sorry about this. I guess it has nothing to do with mx records. It is the remote

Re: Domains without MX Records

2013-10-12 Thread Jeremy T. Bouse
Sounds like you're trying to send email to a host that is possibly greylisting. On 13.10.2013 00:10, Roman Gelfand wrote: sorry about this. I guess it has nothing to do with mx records. It is the remote server telling me their server is not able to accept mail. On Sun, Oct 13, 2013 at 12:04