thank I will test it

----- Original Message ----- From: "Noel Jones" <njo...@megan.vbhcs.org>
To: "Postfix users" <postfix-users@postfix.org>
Sent: Friday, June 26, 2009 3:15 PM
Subject: Re: slow link


Ing. Davy Leon wrote:
Hi again

I'm having troubles with these again, let me explain myself better this time. I have a LAN with 10 PC conected to my linux box with postfix in it. I have a dialup link from the linux machine to the internet to deliver and fetch mail from our ISP. Due to bandwith limitation, I want Postfix to deliver the queue to the ISP one message at the time, I mean one by one until the queue is empty, but at the same time Postfix can accept conections of all the PC conected to the LAN.

So, my question is if I set

default_process_limit=1        in main.cf

I'm telling Postix to run only one child processes, so it can't receive smtp conections from LAN while delivering to the ISP?

I need clarification in this point. I need to process the queue one by one, but still can receive mail from my LAN in eth0 interface from several PC at the same time without delays.

I apreciate your help

David

As documented, setting default_process_limit to 1 allows postfix to run one copy of each service in master.cf simultaineously. So, one incoming connection, one outgoing connection.

If you want to accept more incoming connections but only allow one outbound connection, find the "smtp unix" service in master.cf and change the "process count" column to 1.

# master.cf, allow only one outbound connection
smtp      unix  -       -       n       -       1       smtp

  -- Noel Jones

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