[Dovecot] mail_max_userip_connections=10

Paul Griffith paulg at cse.yorku.ca
Mon Sep 19 15:29:37 EEST 2011


On 09/19/11 04:27, Tom Clark wrote:
> Hi,
> 
> 
> 
> A couple of questions rather than a problem for once!
> 
> 
> 
> We've got our Dovecot server running smoothly now apart from our MD. He's
> having problems with mail_max_userip_connections. He has 3
> (Phone/Laptop/Tablet) items that all connect to the server at about the same
> time. Which means he's frequently running over the max_userip_connections.
> 
> 
> 
> My questions are:
> 
> 
> 
> Is there anyway of whitelisting an IP so that it can ignore
> mail_max_userip_connections=10?
> 
> 
> 
> What should we set mail_max_userip_connections too realistically? 10 seems a
> bit low?
> 

Hi Tom,

   The setting mail_max_userip_connections is per IP.

from 20-imap.conf (version 2.0.13, the version we are running)

# Maximum number of IMAP connections allowed for a user from each IP address.
# NOTE: The username is compared case-sensitively.
#mail_max_userip_connections = 10

I am going to assume he has a different IP for each device, in this case that would allow up to 30 connections.

You need to  post your 'doveconf -n' output!

Cheers,
Paul


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