Re: max connection rate/count/limit issues.

11 msg	Reject unknown Sender address
10 msg	Postfix and archiving
5 msg	-o content_filter overrides main.cf ?
1 msg	Postfix 2.4.3 and 2.3.11 available
8 msg	SASL authentication via dovecot?
2 msg	postfix/sasl: sql_select option missing - wtf?

max connection rate/count/limit issues.
\ Christian Parpart (31 May 2007)
. \ lst_hoe01 (31 May 2007)
. . \ Martin Strand (31 May 2007)

1 msg	requeue mails
6 msg	nothing in maillog
9 msg	local and remote storage for same user
7 msg	Rejecting Invaliud Users - Useful Resource poin...
4 msg	Distributing map files
5 msg	relay_recipient_maps for multiple destinations
13 msg	auto-responders with postfix
6 msg	Mydestination with virtual domains
6 msg	Splitting smtpd_proxy_filter in smtpd_recipient...
10 msg	Can't Send to Sprint Messaging Users..
1 msg	MAAWG meeting anyone?
2 msg	basic postfix 2.4.1 configuration for a simple ...
5 msg	Strange persistant 'timeout after DATA' from ma...

Subject:	Re: max connection rate/count/limit issues.
Group:	Postfix-users
From:	Martin Strand
Date:	31 May 2007

On Thu, 31 May 2007 16:00:35 +0200, <lst_hoe01> wrote:

> Zitat von Christian Parpart <trapni>:
>
>> Hi guys,
>>
>> I'm having trouble in getting rid of the following syslog messages:
>>
>> May 31 13:24:12 sparta postfix/anvil[13045]: statistics: max connection
>> rate
>> 2/60s for (smtp:140.211.166.183) at May 31 13:19:21
>> May 31 13:24:12 sparta postfix/anvil[13045]: statistics: max connection
>> count
>> 1 for (smtp:140.211.166.183) at May 31 13:17:45
>> May 31 13:24:12 sparta postfix/anvil[13045]: statistics: max cache size
>> 3 at
>> May 31 13:18:22
>>
>> it looks like a mailserver who forwards some mails for me right into the
>> sparta host is becoming trouble because of it's high traffic amount.
>>
>> Now, I'd like to increase the connection rate/count/limit,
>> but using $(postconf | grep ...) doesn't seem to show up me the very
>> obvious
>> variables I should modify.
>
> These log entries are only to inform you about the anvil statistics.
> Nothing is blocked or delayed at all. Read the documentation about the
> anvil rate limit parameters.
>
> Regards
>
> Andreas

The parameters are:
smtpd_client_connection_count_limit
smtpd_client_connection_rate_limit

Anvil tells you that the highest connection rate of any client for the
past 10 minutes was 2 connections a minute, which is far from the limit.