Re: Scaling to 10 Million IMAP sessions on a single server

Quoting Ruga : > Comparison of Dovecot, Uwash, Courier, Cyrus and M-Box: > http://www.isode.com/whitepapers/mbox-benchmark.html Wow. That comparison is only 11.5 years old. The "default" file system of reiserfs and gcc-3.3 were dead giveaways. I suspect Dovecot's changed a tad since that test

Re: How to add Ubuntu 16.04.2 server to join and authenticate with domain controller windows2012r2

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Wed, 22 Feb 2017, Basdove wrote: 1. I have Ubuntu 16.0.4.2 server edition 2. I have windows server 2012R2 domain controller (Active directory installed) 3. I want to join and Authenticate Ubuntu with windows server 2012 domain controller

Re: Scaling to 10 Million IMAP sessions on a single server

Comparison of Dovecot, Uwash, Courier, Cyrus and M-Box: http://www.isode.com/whitepapers/mbox-benchmark.html

Re: Problem with Let's Encrypt Certificate

On 19 Feb 2017, at 00:00, Michael A. Peters wrote: > That's one of the reasons I don't like Let's Encrypt, with one year certs it > is easier to look at the certs and see what is going to expire in the coming > month needing a new private key. Since renewal is entirely automatic, when certs exp

Re: Scaling to 10 Million IMAP sessions on a single server

> On Feb 22, 2017, at 2:44 PM, Timo Sirainen wrote: > > I guess mainly the message sequence numbers in IMAP protocol makes this more > difficult, but it's not an impossible problem to solve. Any thoughts on the wisdom of supporting an external database for session state or even mailbox state (

Re: Scaling to 10 Million IMAP sessions on a single server

On 22 Feb 2017, at 17.07, KT Walrus wrote: > > I have seen proposals for a new client protocol called JMAP that seem to be > all about running a mail server at scale like an NGINX https web server can > scale. That got me thinking about wether there is anything fundamental about > IMAP that ca

Re: Sieve removeflag Action

* Thomas Leuxner 2017.02.20 12:56: > Feb 20 07:00:23 nihlus dovecot: master: Dovecot v2.2.devel (8f42a89) starting > up for imap, lmtp > > This one processed the dovecot-news mail for 2.2.28.rc1 fine which uses a > similar sieve rule. I will monitor global rules with this build and report > b

v2.2.28 release candidate 2 released

http://dovecot.org/releases/2.2/rc/dovecot-2.2.28.rc2.tar.gz http://dovecot.org/releases/2.2/rc/dovecot-2.2.28.rc2.tar.gz.sig I'm assuming that most of the bugs are now found and fixed, so the final 2.2.28 should be out in a day or two. Changes since rc1: * Reverted [UNKNOWN-CTE] -> [PARSE] cha

How to add Ubuntu 16.04.2 server to join and authenticate with domain controller windows2012r2

Hi, 1. I have Ubuntu 16.0.4.2 server edition 2. I have windows server 2012R2 domain controller (Active directory installed) 3. I want to join and Authenticate Ubuntu with windows server 2012 domain controller 4. Please provide the clean document Thank you, Baskaranand

Re: Scaling to 10 Million IMAP sessions on a single server

> On Feb 21, 2017, at 11:12 PM, Christian Balzer wrote: > But even if you were to implement something that can handle 1 million or > more sessions per server, would you want to? > As in, if that server goes down, the resulting packet, authentication > storm will be huge and most like result in a

Re: Scaling to 10 Million IMAP sessions on a single server

> On Feb 21, 2017, at 11:12 PM, Christian Balzer wrote: > > On Tue, 21 Feb 2017 09:49:39 -0500 KT Walrus wrote: > >> I just read this blog: >> https://mrotaru.wordpress.com/2013/10/10/scaling-to-12-million-concurrent-connections-how-migratorydata-did-it/ >> >>

Re: Replication Troubles

On 20 Feb 2017, at 11:09, Timo Sirainen wrote: > > On 17 Feb 2017, at 21.37, Wolfgang Hennerbichler wrote: >> >> Hi Dovecot Users, >> >> I’ve configured dovecot dsync replication and I see troubles in the logs and >> get user complaints which I can’t explain. I found similar threads on this

Re: How to dsync mdbox compressed to maildir uncompressed

* Daniel Betz 2017.02.22 11:07: Here you go: # 2.2.devel (d89a40c): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.devel (0d78a30) # OS: Linux 3.16.0-4-amd64 x86_64 Debian 8.7 auth_cache_size = 16 k auth_verbose = yes deliver_log_format = msgid=%m, time=%{delivery_time}ms, status=%$ hostnam

Re: How to dsync mdbox compressed to maildir uncompressed

Hi Thomas, thank you for your help. This is very strange that it wont work here. can you doveconf -n the relevant parts especially mail_plugins= and plugin { } i think i have misconfigured something :( Regards, Daniel

Re: Scaling to 10 Million IMAP sessions on a single server

> On 22 Feb 2017, at 6.12, Christian Balzer wrote: > > On Tue, 21 Feb 2017 09:49:39 -0500 KT Walrus wrote: > >> I just read this blog: >> https://mrotaru.wordpress.com/2013/10/10/scaling-to-12-million-concurrent-connections-how-migratorydata-did-it/ >> >>

Re: How to dsync mdbox compressed to maildir uncompressed

* Daniel Betz 2017.02.22 09:37: > doveadm -o plugin/quota= -o plugin/zlib_save= backup -u imap at test.de > maildir:~/Maildir > > file Maildir/cur/1487752497.M128284P11684.mail,S=7691,W=7887:2,S > Maildir/cur/1487752497.M128284P11684.mail,S=7691,W=7887:2,S: gzip compressed > data, from Unix H

Re: How to dsync mdbox compressed to maildir uncompressed

Hi Thomas, this doesnt work: doveadm -o plugin/quota= -o plugin/zlib_save= backup -u imap at test.de maildir:~/Maildir file Maildir/cur/1487752497.M128284P11684.mail,S=7691,W=7887:2,S Maildir/cur/1487752497.M128284P11684.mail,S=7691,W=7887:2,S: gzip compressed data, from Unix Regards, Daniel