[Dovecot] IMAP connection timeout value?

Tamas Kadar tamas.kadar at espell.com
Thu Aug 19 14:04:39 EEST 2010


(a) the server is on the internet and the clients are behind the dodgy cable
modem. 

Yeah, except there are no alternatives to our ISPs at the moment, so I'd
rather have a kind-of-solution with shorter timeouts...

KT

-----Original Message-----
From: dovecot-bounces+tamas.kadar=espell.com at dovecot.org
[mailto:dovecot-bounces+tamas.kadar=espell.com at dovecot.org] On Behalf Of
William Blunn
Sent: Thursday, August 19, 2010 1:02 PM
To: dovecot at dovecot.org
Subject: Re: [Dovecot] IMAP connection timeout value?

On 19/08/2010 11:04, Tamas Kadar wrote:
> So we're having some ISP issues lately, meaning we have to reboot our 
> cable modem like 2-3 times a day. An unfortunate side-effect I've 
> found is, once the users max out their connection limit (which I've 
> set to 10, and many people do), if we reboot the cable modem, they 
> can't log in cause their connections get 'stuck' until I `doveadm 
> kick` them, or wait for the connections to timeout which takes ???
> minutes. Can I adjust that value to something like 30 seconds?

Is it:

(a) your server is on the Internet, and your clients are behind the dodgy
cable modem, or

(b) your mail server behind the dodgy cable modem and the clients are out on
the Internet

?

Either way I would suggest an improvement to your architecture would be to
put the mail server on the same side of the dodgy cable modem as the
majority of users.

If you have a mix of office users and out-of-office users, I would say put
the mail server on the Internet side. At least then the people struggling
out in a hotel in the middle of nowhere won't have to fight your dodgy cable
modem as well as their dodgy foreign internet connection.

Bill



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