> On 10/07/2019 11:24 Paolo Daniele via dovecot <dovecot@dovecot.org> wrote: > > > Il 10/07/19 10:20, Aki Tuomi ha scritto: > >> On 12/06/2019 20:02 Paolo Daniele via dovecot <dovecot@dovecot.org> wrote: > >> > >> > >> Hi, > >> i've a question for you. > >> I've two dovecot imap/pop server behind a zen load balancer. > >> Load balancing is made by lx4nat so the public ip address of my load > >> balancer contact directly the dovecot servers. > >> Since few months i've a message from thunderbird that i've reached the > >> imap limit login for ip. > >> I've triend to increase the max user ip parameter but sometimes i've the > >> same problem. > >> It's a strange things that actually i'm able to mitigate by reduce the > >> number of cached connections in Thunderbird but it's not normal. > >> What do you think about that? > >> Maybe there's some tuning that you can suggest. > >> Thank you, > >> Paolo > >> > > Have you ensured, by checking logs, that the connections are seen by > > dovecot to come from public IP addresses? > > > > Also, thunderbird is known to open lots of concurrent connections. > > > > Aki > Yes, > connections are coming from the ip address of load balancer (also > checked with a netstat -an) > I know that thunderbird has this problem and i haven't problem since the > numbers of email domain increase. > I'm not sure the impact of rising the max user ip to an higher value in > terms of ram consumption and cpu > Any suggestion? > Thanks for your answer! > Paolo >
What's your current limit? The default value is 100. Aki
