Helllo,

My goal is not to send mass mail, i'm looking for a solution because my
server serves about 1500 Users sending "normal" mails 10 hours a day, and
this trouble causes delay on delivery that my users don't accept anymore...

When orange tells us to slow down, it's inpossible to send them some mail
during a few minutes, so, even with 10 mails in queue, it can takes several
minutes to be delivered...

Nico

-----Message d'origine----- From: mouss
Sent: Tuesday, November 20, 2012 9:52 PM
To: Nico Angenon
Cc: postfix-users@postfix.org
Subject: Re: CSI Cloudmark configuration

Le 20/11/2012 09:46, Nico Angenon a écrit :
Hello,

Some of the biggest french provider are using CSI “cloudmark sender intelligence” : the big problem wih CSI cloudmark is that they don’t accept many simultaneous connexions.

i always get a log like “too many connexion, slow down”....

so i made the following configuration :

In /etc/postfix.transport
wanadoo.com slow:
wanadoo.fr slow:

In /etc/postfix/master.cf
slow unix – - n – 5 smtp -o syslog_name=postfix-slow -o smtp_destination_concurrency_limit=3 -o slow_destination_rate_delay=1

In /etc/postfix/main.cf

transport_maps = /etc/postfix/transport
slow_destination_recipient_limit = 20
slow_destination_concurrency_limit = 2

but i keep have some trouble in my logs...

In the CSI advice, they says : if you have 100 Messages to deliver to this server, the better way is to open 1 connection and send 100 messages instead of opening 100 connexions delivering 1 message each...

do i have to change the slow_destination_recipient_limit parametter to follow this advice ?

Thanks in advance

Nico Angenon


if your goal is to send mass mail, then you should ask to be
whitelisted. (of course, it is necessary that you follow good practices.
unfortunately, this is not sufficient!).

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