Re: SMTP sessions

2009-02-03 Thread Victor Duchovni
On Tue, Feb 03, 2009 at 09:10:50PM +0100, Rocco Scappatura wrote: I fear that the problem is that for each session I can have an unsettled number of messages sent over that session (It could be happen? If yes, It could be depend on MTA settings?) other then an unsettled size of SMTP

RE: SMTP sessions

2009-02-03 Thread Rocco Scappatura
Hi, I have a mail gateway system that consists of several Postfix+MySQL+Amavisd-new machines behind a load balancer. I have defined a balancing policy based on number of SMTP sessions that every server has to manage. New connections are given to the server with the fewest

Re: SMTP sessions

2009-02-03 Thread Rocco Scappatura
Victor, I fear that the problem is that for each session I can have an unsettled number of messages sent over that session (It could be happen? If yes, It could be depend on MTA settings?) other then an unsettled size of SMTP traffic (which it determs the latency of messages and it

Re: SMTP sessions

2009-02-03 Thread Victor Duchovni
On Tue, Feb 03, 2009 at 11:59:37PM +0100, Rocco Scappatura wrote: Returning to my question, I'm trying to understand: 1) Once a client (or another MTA) establish a TCP connection with listening port bounded by the SMTP daemon of Postfix, could happen that more then one email messages are

Re: SMTP sessions

2009-02-03 Thread Rocco Scappatura
Thanks Viktor, 1) Once a client (or another MTA) establish a TCP connection with listening port bounded by the SMTP daemon of Postfix, could happen that more then one email messages are sent over that TCP connection, before it is closed? Sure this is possible, but it is unlikel to

Re: SMTP sessions

2009-02-03 Thread Victor Duchovni
On Wed, Feb 04, 2009 at 02:21:31AM +0100, Rocco Scappatura wrote: There is no evidence that sender-side connection re-use has any material impact on your queues. If you do want to enforce such limits, they should be applied selectively to just IP sources with poor reputations. Indeed, it

RE: SMTP sessions

2009-02-01 Thread Rocco Scappatura
Hello, I have a mail gateway system that consists of several Postfix+MySQL+Amavisd-new machines behind a load balancer. I have defined a balancing policy based on number of SMTP sessions that every server has to manage. New connections are given to the server with the fewest

RE: SMTP sessions

2009-01-29 Thread Rocco Scappatura
I have a mail gateway system that consists of several Postfix+MySQL+Amavisd-new machines behind a load balancer. I have defined a balancing policy based on number of SMTP sessions that every server has to manage. New connections are given to the server with the fewest connections?

Re: SMTP sessions

2009-01-28 Thread Victor Duchovni
On Wed, Jan 28, 2009 at 12:39:01PM +0100, Rocco Scappatura wrote: I have a mail gateway system that consists of several Postfix+MySQL+Amavisd-new machines behind a load balancer. I have defined a balancing policy based on number of SMTP sessions that every server has to manage. New