fts crash

2023-05-19 Thread Przemysław Kwiatkowski via dovecot
Hello, I started full reindex of whole emails base (doveadm index -A '*') and solr crashed due to out of memory. I had plenty of such messages: doveadm(gzt): Error: fts_solr: Indexing failed: Connection lost: read((conn:127.0.0.1:8983,id=621)) failed: EOF (Request queued 40.832 secs ago, 1 s

Re: Multiple backends with NFSv4.1 (supports file locking): should work without Director, right?

2023-05-19 Thread Tom Reed
> Hi Dovecot community, > > We're looking at running multiple Dovecot backend servers in parallel, all > using the same shared NFSv4.1 mount to store mailboxes in the maildir > format. > Just my experience, you can use multi-IMAP proxy in front of the real IMAP server which has powerful hardwar

Re: Outlook fails to connect to Dovecot submission server

2023-05-19 Thread Ralf Becker via dovecot
Hi Andrzej, Am 19.05.23 um 17:17 schrieb Andrzej Milewski: Hello, I may be mistaken, but I don't see "auth_mechanism = plain login" in your configuration. It's possible that you are using something different for authentication, but I don't see it in the configuration. The config file was out

Re: Multiple backends with NFSv4.1 (supports file locking): should work without Director, right?

2023-05-19 Thread Michael Peddemors
+1 NFSv3 has always been more stable in our testing.. Will have to put it on the road map to run full testing again, but you know the old adage, if it ain't broke, don't fix it.. ;) On 2023-05-19 08:23, Adrian Minta wrote: Hi Pierre, when we tested NFSv4 couple of years ago,  we found out th

Re: Multiple backends with NFSv4.1 (supports file locking): should work without Director, right?

2023-05-19 Thread Adrian Minta
Hi Pierre, when we tested NFSv4 couple of years ago,  we found out that NFSv4 has a caching feature witch delegate file caching to a specific client. This was a problem with same share mounted on multiple servers. The contention will explode the load on the clients due to I/O waits and in som

Re: Outlook fails to connect to Dovecot submission server

2023-05-19 Thread Andrzej Milewski
Hello, I may be mistaken, but I don't see "auth_mechanism = plain login" in your configuration. It's possible that you are using something different for authentication, but I don't see it in the configuration. On Wed, May 17, 2023 at 4:04 PM Ralf Becker via dovecot wrote: > Dovecot 2.3.20 includ

Multiple backends with NFSv4.1 (supports file locking): should work without Director, right?

2023-05-19 Thread pierre . alletru
Hi Dovecot community, We're looking at running multiple Dovecot backend servers in parallel, all using the same shared NFSv4.1 mount to store mailboxes in the maildir format. We've read in multiple places that running multiple backends with a shared NFS can result in issues like index files cor

Re: Outlook fails to connect to Dovecot submission server

2023-05-19 Thread Ralf Becker via dovecot
Am 17.05.23 um 20:03 schrieb dovecot--- via dovecot: Dovecot ... submission server works well with all sorts of clients, but Outlook. I thought that was M$ intent. They purposefully design their ecosystem to not play well with others so the average person will think something is wrong with th

Re: LMTP server client certificate validation

2023-05-19 Thread Aki Tuomi via dovecot
> On 19/05/2023 09:44 EEST Sean Gallagher wrote: > > > > What is your use-case for validation here? Did you mean submission? It has > > actual authentication and can do client cert name validation with > > auth_ssl_username_from_cert. > > I've been pulling apart an old monolithic server and