Re: Delay before initial 220 greeting

2012-03-01 Thread Alex
Hi, I had thought it was related, but another issue I'm trying to figure out is how to prevent a single remote server from sending thousands of messages at a time, filling the queue, and causing significant delivery delays for all mail. Is it safe to assume these thousands of messages are

Re: Delay before initial 220 greeting

2012-03-01 Thread Brian Evans - Postfix List
On 3/1/2012 11:49 AM, Alex wrote: Hi, I had thought it was related, but another issue I'm trying to figure out is how to prevent a single remote server from sending thousands of messages at a time, filling the queue, and causing significant delivery delays for all mail. Is it safe to assume

Re: Delay before initial 220 greeting

2012-03-01 Thread Stan Hoeppner
On 3/1/2012 11:42 AM, Brian Evans - Postfix List wrote: On 3/1/2012 11:49 AM, Alex wrote: Hi, I had thought it was related, but another issue I'm trying to figure out is how to prevent a single remote server from sending thousands of messages at a time, filling the queue, and causing

Re: Delay before initial 220 greeting

2012-02-28 Thread Alex
Hi, Now that you done some optimization, kick default_process_limit back down to 200 and see it that works.  If so, keep backing it off by 25 each time until you start to see the slowdown again.  Then bump it back up by 10 and leave it. Next I'd look at smtp-amavis and see if it's keeping

Re: Delay before initial 220 greeting

2012-02-28 Thread Noel Jones
On 2/28/2012 8:37 PM, Alex wrote: I had thought it was related, but another issue I'm trying to figure out is how to prevent a single remote server from sending thousands of messages at a time, filling the queue, and causing significant delivery delays for all mail. I thought either

Re: Delay before initial 220 greeting

2012-02-28 Thread Stan Hoeppner
On 2/28/2012 8:37 PM, Alex wrote: Hi, Now that you done some optimization, kick default_process_limit back down to 200 and see it that works. If so, keep backing it off by 25 each time until you start to see the slowdown again. Then bump it back up by 10 and leave it. Next I'd look at

Re: Delay before initial 220 greeting

2012-02-24 Thread Stan Hoeppner
On 2/23/2012 1:50 PM, Alex wrote: Hi, I have a postfix-2.8.7 system with fedora15 and amavisd-new-2.6.6. Lately I have been experiencing significant delays before receiving the initial postfix 220 greeting from all remote hosts. I've verified What is the output from: grep warning:

Re: Delay before initial 220 greeting

2012-02-23 Thread Alex
Hi, I have a postfix-2.8.7 system with fedora15 and amavisd-new-2.6.6. Lately I have been experiencing significant delays before receiving the initial postfix 220 greeting from all remote hosts. I've verified What is the output from:     grep warning: /var/log/maillog Then you may want

Re: Delay before initial 220 greeting

2012-02-23 Thread Wietse Venema
Alex: I've removed the zen and psbl queries from smtpd and moved psbl to postscreen. How can I monitor the number of smtpd processes currently being utilized in real-time? Even though it's set to 300, ps ax shows Now that postscreen is taking most of the bullets, the number of smtpd

Delay before initial 220 greeting

2012-02-22 Thread Alex
Hi, I have a postfix-2.8.7 system with fedora15 and amavisd-new-2.6.6. Lately I have been experiencing significant delays before receiving the initial postfix 220 greeting from all remote hosts. I've verified DNS is working properly and can resolve hosts properly. It seems to be related to system

Re: Delay before initial 220 greeting

2012-02-22 Thread Wietse Venema
Alex: Hi, I have a postfix-2.8.7 system with fedora15 and amavisd-new-2.6.6. Lately I have been experiencing significant delays before receiving the initial postfix 220 greeting from all remote hosts. I've verified What is the output from: grep warning: /var/log/maillog Then you may

Re: Delay before initial 220 greeting

2012-02-22 Thread Stan Hoeppner
On 2/22/2012 12:33 PM, Wietse Venema wrote: Alex: Hi, I have a postfix-2.8.7 system with fedora15 and amavisd-new-2.6.6. Lately I have been experiencing significant delays before receiving the initial postfix 220 greeting from all remote hosts. I've verified What is the output from: