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[Dovecot] Dovecot proxy/director and mail pop3/imap backend service on same server
by Aerion Stevens 22 Jun '12

22 Jun '12

Hi all, I am interested in running a Dovecot Proxy(with Director) on the same server as the main Dovecot IMAP/POP3 service. I have a basic Proxy/Director configuration working, however I am struggling with getting the Proxy and IMAP/POP3 service to coexist on the same server. I plan to use three IMAP/POP3 servers with a NFS/maildir backend, and I am playing with Dovecot 2.1.5 at the moment. I have two seperate configurations, one for the Proxy/Director and one for the Dovecot IMAP/POP3 "mail backend servers". For this to work my thoughts are that I will need to run the Proxy/Director imap/pop3 login process on the standard ports 143, 110, 993, 995 and for the Dovecot IMAP/POP3 mail backend service running on the same server will need to use different ports (I decided to be 9143, 9110, 9993, 9995 for example). How do I tell the director to proxy incoming imap/pop3 connection to the mail backend servers running on ports 9143, 9110, 9993, 9995 rather than the default imap/pop3 ports? Using the default ports will clearly cause loops. Can anyone kindly provide an example snippet of config that tells the director to use different port for IMAP and POP3 proxy? I have so far found the following pages helpful to what I am working on: http://wiki2.dovecot.org/PasswordDatabase/ExtraFields/Proxy http://wiki2.dovecot.org/PasswordDatabase/ExtraFields http://wiki2.dovecot.org/Director Cheers, Aerion.

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[Dovecot] GlusterFS + Dovecot
by Romer Ventura 22 Jun '12

22 Jun '12

Hello, Has anyone used GlusterFS as storage file system for dovecot or any other email system..? It says that it can be presented as a NFS, CIFS and as GlusterFS using the native client, technically using the client would allow the machine to read and write to it, therefore, I think that Dovecot would not care about it. Correct? Anyone out there used this setup?? Thanks.

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[Dovecot] how to use new style namespace for INBOX
by ml 21 Jun '12

21 Jun '12

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 dear honorable doctor timo reading the list I saw appear a new style for the "writing of INBOX". namely this example mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = I do not know how to use it can you help me now is my config ~]# /usr/sbin/dovecot -n # 2.1.7: /etc/dovecot/dovecot.conf # OS: Linux 2.6.34.6-xxxx-grs-ipv6-32 i686 CentOS release 5.8 (Final) auth_mechanisms = plain login base_dir = /var/run/dovecot/ lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes listen = [::] log_path = /var/log/maillog log_timestamp = %Y-%m-%d %H:%M:%S login_log_format_elements = user=<%u> method=%m rip=%r lip=%l %c mail_debug = yes mail_location = maildir:~/Maildir mail_max_userip_connections = 30 mail_plugins = " quota trash zlib" mailbox_list_index = yes maildir_broken_filename_sizes = yes managesieve_notify_capability = mailto managesieve_sieve_capability = comparator-i;octet comparator-i;ascii-casemap fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date spamtest spamtestplus virustest namespace { inbox = yes location = prefix = separator = . } passdb { driver = pam } plugin { autocreate = Trash autocreate2 = Junk autocreate3 = Sent autocreate4 = Drafts autosubscribe = Trash autosubscribe2 = Junk autosubscribe3 = Sent autosubscribe4 = Drafts deleted_to_trash_folder = Trash plugin = $mail_plugins autocreate managesieve sieve quota quota = maildir:User quota quota_exceeded_message = Quota exceeded, please go to http://www.fakessh.eu/over_quota_help.html for instructions on how to fix this. quota_rule = *:storage=10GB quota_rule2 = Trash:storage=+10% quota_rule3 = Spam:storage=+20% quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u sieve = ~/.dovecot.sieve sieve_before = /var/sieve-scripts/roundcube.sieve sieve_dir = ~/sieve sieve_global_path = whatever trash = /etc/dovecot/dovecot-trash.conf.ext zlib_save = bz2 zlib_save_level = 9 } protocols = sieve imap pop3 service anvil { client_limit = 6000 } service auth { client_limit = 6000 process_limit = 1 unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0600 user = postfix } unix_listener auth-master { mode = 0666 } unix_listener auth-userdb { mode = 0666 } vsz_limit = 64 M } service imap-login { client_limit = 0 inet_listener imap { port = 0 } inet_listener imaps { address = * , [::] port = 993 } process_limit = 1024 service_count = 1 vsz_limit = 64 M } service imap { process_limit = 1024 process_min_avail = 0 service_count = 1 vsz_limit = 64 M } service managesieve-login { inet_listener managesieve-login { address = * , [::] port = 2000 } process_limit = 1 vsz_limit = 64 M } service pop3-login { inet_listener pop3 { port = 0 } inet_listener pop3s { address = * , [::] port = 995 } process_limit = 1 vsz_limit = 64 M } service quota-warning { executable = script /usr/local/bin/quota-warning.sh unix_listener quota-warning { user = mail } user = dovecot } ssl_ca = </etc/pki/tls/certs/class3.crt ssl_cert = </etc/pki/tls/certs/ks37777.kimsufi.com.cert ssl_key = </etc/pki/tls/private/ks37777.kimsufi.com.key ssl_verify_client_cert = yes userdb { driver = passwd } userdb { driver = passwd } version_ignore = yes protocol imap { imap_client_workarounds = delay-newmail tb-extra-mailbox-sep imap_max_line_length = 64 k mail_plugins = " quota trash zlib autocreate quota imap_quota imap_zlib zlib" } protocol pop3 { mail_plugins = autocreate quota quota autocreate deleted_to_trash zlib pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s } protocol lda { hostname = ks37777.kimsufi.com info_log_path = log_path = mail_plugins = autocreate sieve quota postmaster_address = postmaster(a)fakessh.eu sendmail_path = /usr/lib/sendmail } protocol sieve { managesieve_implementation_string = dovecot managesieve_logout_format = bytes ( in=%i : out=%o ) managesieve_max_line_length = 65536 } - -- http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xC2626742 gpg --keyserver pgp.mit.edu --recv-key C2626742 http://urlshort.eu fakessh @ http://gplus.to/sshfake http://gplus.to/sshswilting http://gplus.to/john.swilting https://lists.fakessh.eu/mailman/ This list is moderated by me, but all applications will be accepted provided they receive a note of presentation -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk/iZKsACgkQNgqL0sJiZ0LNvgCgwO5+e7zu+OfTqOWdtSpxzqCL 6ZgAnRuEtAtALE9zUfxIb9zN/5fhmy3t =rF7F -----END PGP SIGNATURE-----

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[Dovecot] dovecot 2.1.5 performance
by Angel L. Mateo 21 Jun '12

21 Jun '12

Hello, I'm migrating from 1.1.16 running in 4 debian lenny servers virtualized with xenserver and 1 core and 5GB of RAM to 2.1.5 running in 4 ubuntu 12.04 servers with 6 cpu cores and 16GB of RAM virtualized with VMWare, but I'm having lots a performance problems. I don't think that virtualization platform could be the problem, because the new servers running in xenserver has the same problems than running in vmware. I have about 70000 user accounts, most of them without real activity (they are students who doesn't read his email or have its account redirected to other provider). I have about 700-1000 concurrent imap connections. I have storage in nfs (nfsv3, the nfs server is a celerra), but indexes are in local filesystems (each server has its own index fs). Mailboxes are in maildir format. Old servers and actual director servers are load balanced with an radware appdirector load balancer (the new backend servers don't need to be balanced because I'm using a director farm) In the old platform I have scenario number 2 described at http://wiki2.dovecot.org/NFS, but in the new ones I have a director proxy directing all connections from each user to the same server (I don't specify any server for the user, director selects it according to the hash algorithm it has). Some doubts I have for the recommended in that url: * mmap_disable: both single and multi server configurations have mmap_disable=yes but in index file section says that you need it if you have your index files stored in nfs. I have it stored locally. Do I need mmap_disable=yes? What it's the best? * dotlock_use_excl: it is set to no in both configurations, but the comment says that it is needed only in nfsv2. Since I have nfs3, I have it set it to yes. * mail_nfs_storage: In single server is set to no, but in multi server it set to yes. Since I have a director in front of my backend server, what is the recommended? With this configuration, when I have a few connections (about 300-400 imap connections) everything is working fine, but when I disconnect the old servers and direct all my users' connections to the new servers I have lot of errors. server loads increments to over 300 points, with a very high io wait. With atop, I could see that of my 6 cores, I have one with almost 100% waiting for i/o and the other with almost 100% idle, but load of the server is very, very high. With the old servers, I have performance problems, access to mail is slow, but it works. But with the new ones it doesn't work at all. Any idea? -- Angel L. Mateo Martínez Sección de Telemática Área de Tecnologías de la Información _o) y las Comunicaciones Aplicadas (ATICA) / \\ http://www.um.es/atica _(___V Tfo: 868887590 Fax: 868888337

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[Dovecot] public namespace
by Daniel Fischer 21 Jun '12

21 Jun '12

Hello, dovecot -n # 2.0.18: /etc/dovecot/dovecot.conf # OS: Linux 3.2.0-2-amd64 x86_64 Debian wheezy/sid mail_gid = 5000 mail_location = maildir:~:INDEX=/var/mail/indexes/%d/%n mail_privileged_group = vmail mail_uid = 5000 namespace { hidden = no inbox = yes list = yes location = prefix = separator = / subscriptions = yes type = private } namespace { list = children location = maildir:/var/mail/vhosts/%d/public:INDEX=/var/mail/indexes/%d/%n/public prefix = Public/ separator = / subscriptions = no type = public } i´m a little bit confused but I hope I find help here. The user mailboxes work perfectly just the public mailbox is a little bit tricky I expect that all public maildirs be placed under /var/mail/vhosts/%d/public. They are created by defining a public namespace, under which all the shared mailboxes are. For those special users, I have set the maillocation via passwd file to /%d/public/%n, all other users have /%d/%n. So we have following folder structure \public \public\.info \public\.lager \public\.buchhaltung And so on Thats works fine, but with subfolder start the problems. When the info-user loggs on and creates a subfolder under his INBOX(called hust2) then no other people can see this. Otherside, if a normal user creates a folder in public folder info(called hust), the info user can´ t see this one. If I look to filesystem, the reason is clear: %d/public/.info# ls -la insgesamt 32 drwx--S---+ 2 vmail vmail 6 Jun 19 11:50 cur -rwxrwx---+ 1 vmail vmail 51 Jun 21 09:50 dovecot-uidlist -rw-rw----+ 1 vmail vmail 8 Jun 19 11:51 dovecot-uidvalidity -r--r-----+ 1 vmail vmail 0 Jun 19 11:50 dovecot-uidvalidity.4fe04b06 drwx--S---+ 5 vmail vmail 78 Jun 19 11:54 .INBOX.hust2 drwx--S---+ 2 vmail vmail 6 Jun 19 11:50 new -rw-rw----+ 1 vmail vmail 18 Jun 19 11:51 subscriptions drwx--S---+ 2 vmail vmail 6 Jun 19 11:50 tmp drwx--S---+ 5 vmail vmail 78 Jun 21 09:51 .Trash %d/public# ls -la insgesamt 16 -rw-rw----+ 1 vmail vmail 8 Jun 19 11:51 dovecot-uidvalidity -r--r-----+ 1 vmail vmail 0 Jun 19 11:51 dovecot-uidvalidity.4fe04b36 drwx--S---+ 7 vmail vmail 4096 Jun 21 09:50 .info drwx--S---+ 5 vmail vmail 78 Jun 21 09:51 .info.hust A look to the info mailbox makes it clear: info@BLABLA \INBOX \hust2 >create by info user in his mailbox \Trash \Public \info >his own public share \hust >create by other user in public folder What I need is: %d/public/lager/cur %d/public/lager/new %d/public/lager/tmp %d/public/lager/.foo %d/public/lager/.foo.bar %d/public/ info /cur %d/public/ info /new %d/public/ info /tmp %d/public/info/.hust %d/public/info/.hust.deeperhust %d/public/info/.hust2 All public maildirs under /%d/public/%n Must I create a namespace for all public maildirs?: namespace { location = maildir:/var/mail/vhosts/%d/public/info } namespace { location = maildir:/var/mail/vhosts/%d/public/lager } I can´ t figure out on my own, please give me an explanation. Thanks for soon comment. Daniel

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[Dovecot] Dovecot not liking AD config from wiki??
by Kaya Saman 21 Jun '12

21 Jun '12

I think the issue seems to be the mechanism between Dovecot and AD, so basically PAM..... I adapted my pam.d file to this: # auth auth sufficient pam_krb5.so no_warn try_first_pass debug #auth sufficient pam_ssh.so no_warn try_first_pass auth required pam_unix.so no_warn try_first_pass # account #account required pam_nologin.so #account required pam_unix.so account required pam_krb5.so in the hope that this config would work: userdb { driver = static args = uid=501 gid=501 home=/mail/%u driver = static # args = uid=500 gid=500 home=/ZPOOL_1/%u # allow_all_users=yes } passdb { driver = pam } However I am still having issues :-( Regards, Kaya

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[Dovecot] migrating sql virtual 1 to 2, namespace configuration error: inbox=yes namespace missing
by Voytek Eymont 21 Jun '12

21 Jun '12

I'm trying to setup a new server on centos 6, from old dovecot 1.x I installed 'dovecot --version 2.1.1' from dovecot rpm I converted conf file as per migration specs, also, copied sql conf across when I try to retrieve email, log has *1: dovecot.conf -m *2 and sql conf *3 follows *1------------------------------- dovecot: master: Dovecot v2.1.1 starting up (core dumps disabled) dovecot: auth-worker(26890): mysql(127.0.0.1): Connected to database zzz dovecot: imap-login: Login: user=<name@tld>, method=PLAIN, rip=111.22.33.5, lip=111.22.33.4, mpid=26892, TLS dovecot: imap(name@tld): Error: user name@tld: Initialization failed: namespace configuration error: inbox=yes namespace missing dovecot: imap(name@tld): Error: Invalid user settings. Refer to server log for more information. *2----------------------------------- # doveconf -n # 2.1.1: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-220.17.1.el6.x86_64 x86_64 CentOS release 6.2 (Final) auth_cache_size = 1 k auth_mechanisms = plain login disable_plaintext_auth = no log_timestamp = "%Y-%m-%d %H:%M:%S " mail_location = maildir:~/Maildir mail_privileged_group = mail mbox_write_locks = fcntl namespace inbox { location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-sql.conf driver = sql } protocols = imap pop3 service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } user = root } ssl = required ssl_cert = </etc/pki/dovecot/certs/dovecot.pem ssl_key = </etc/pki/dovecot/private/dovecot.pem userdb { driver = passwd } userdb { args = /etc/dovecot/dovecot-sql.conf driver = sql } protocol pop3 { pop3_uidl_format = %08Xu%08Xv } *3----------------------------------- cat dovecot-sql.conf driver = mysql connect = host=127.0.0.1 dbname=zzz user=yyy password=xxx user_query = SELECT concat('/var/mail/vhosts/', maildir) as home, concat('maildir:/var/mail/vhosts/', maildir) as mail, 5000 AS uid, 5000 AS gid, concat('maildir:storage=', quota) AS quota FROM mailbox WHERE username = '%u' AND active = '1' default_pass_scheme = MD5 user_query = SELECT '/var/mail/vhosts/%d/%n@%d' as home, 'maildir:/var/mail/vhosts/%d/%n@%d' as mail, 5000 AS uid, 5000 AS gid, concat('dirsize:storage=', quota) AS quota FROM mailbox WHERE username = '%u' AND active = '1' # Get the password password_query = SELECT username as user, password, '/var/mail/vhosts/%d/%n@%d' as userdb_home, 'maildir:/var/mail/vhosts/%d/%n@%d' as userdb_mail, 5000 as userdb_uid, 5000 as userdb_gid FROM mailbox WHERE username = '%u' AND active = '1' -- Voytek

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[Dovecot] troncated email
by Claude Gélinas 21 Jun '12

21 Jun '12

Hi, I'm on fc16 with dovecot and Claws Mail version 3.8.0 All email in INBOX are troncated as they arrive. I only get the title, from and date but no more core message could someone guide me so I find a solution for my problem. cannot lose my email Regards, Claude

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[Dovecot] Problem with Dovecot 2.0/2.1 and MySQL 5.1
by Mark Schmale 20 Jun '12

20 Jun '12

Hi everyone, since some time I got problems with dovecot & mysql. I got the problem with version 2.0.x and upgraded to 2.1.7 to check if its gone. But its not :( The logs just tell me this: dovecot: auth: Error: auth worker: Aborted request: Worker process died unexpectedly If I change to a sqlite setup, everything works fine. Here are some informations. I hope someone can tell me whats wrong with my system/setup. I really dont think that this is a bug because someone else should have hit that before me. doveconf - n # 2.1.7: /etc/dovecot/dovecot.conf # OS: Linux 3.2.2-hardened-r1 x86_64 Gentoo Base System release 2.1 auth_verbose = yes mail_location = maildir:~/%d/mail/%n managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-sql.conf driver = sql } plugin { sieve = ~/.dovecot.sieve sieve_dir = ~/sieve } protocols = imap pop3 lmtp sieve service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } unix_listener auth-userdb { group = vmail user = vmail } } ssl_cert = </etc/ssl/dovecot/server.pem ssl_key = </etc/ssl/dovecot/server.key userdb { args = /etc/dovecot/dovecot-sql.conf driver = sql } protocol lda { mail_plugins = sieve } contents of dovecot-sql.conf: default_pass_scheme = PLAIN-MD5 driver = mysql connect = host=localhost dbname=config user=user password=pass password_query = SELECT CONCAT( u.username, '@', d.name ) AS user, password FROM mail_user AS u LEFT JOIN mail_domains AS d ON u.domain = d.id WHERE u.username = '%n' AND d.name = '%d' user_query = SELECT home, uid, gid FROM mail_user AS u LEFT JOIN mail_domains AS d ON u.domain = d.id WHERE u.username = '%n' AND d.name = '%d' // linebreaks added by mailclient for readability bt full with gdb: [Thread debx7fb891e85977 "216be49381eb03d180103cdf6eb90483" fields_count = 2 name = 0x0 #1 sql_query_callback (result=0x7fb891e82f60, sql_request=0x7fb891e82c08) at passdb-sql.c:87 auth_request = 0x7fb891e82a80 _module = <optimized out> module = <optimized out> passdb_result = PASSDB_RESULT_INTERNAL_FAILURE password = 0x0 scheme = <optimized out> ret = <optimized out> __FUNCTION__ = "sql_query_callback" #2 0x00007fb891c3c940 in driver_sqlpool_query_callback (result=0x7fb891e82f60, request=0x7fb891e82e50) at driver-sqlpool.c:635 db = 0x7fb891e66540 conn = 0x0 conndb = 0x7fb891e66910 #3 0x00007fb891c3dbe0 in driver_mysql_query (db=<optimized out>, query=<optimized out>, callback=0x7fb891c3c8c0 <driver_sqlpool_query_callback>, context=0x7fb891e82e50) at driver-mysql.c:296 result = 0x7fb891e82f60 #4 0x00007fb891c3cc41 in driver_sqlpool_query (_db=0x7fb891e66540, query=0x7fb891e561c8 "SELECT CONCAT( u.username, '@', d.name ) AS user, password FROM mail_user AS u LEFT JOIN mail_domains AS d ON u.domain = d.id WHERE u.username = 'masch' AND d.name = 'masch.it'", callback=0x7fb891c31960 <sql_query_callback>, context=0x7fb891e82c08) at driver-sqlpool.c:657 db = 0x7fb891e66540 request = 0x7fb891e82e50 conn = 0x7fb891e667c0 #5 0x00007fb891c23b49 in auth_worker_handle_passv (args=0x7fb891e560b8, id=1, client=<optimized out>) at auth-worker-client.c:200 auth_request = 0x7fb891e82a80 passdb = <optimized out> password = 0x7fb891e55ff2 "somepassword" passdb_id = 1 #6 auth_worker_handle_line (line=<optimized out>, client=<optimized out>) at auth-worker-client.c:559 args = out>0x7fb891e560a8 id = 1 ret = false #7 auth_worker_input (client=0x7fb891e80650) at auth-worker-client.c:647 _data_stack_cur_id = 3 line = <optimized out> ret = true #8 0x00007fb89179f4b6 in io_loop_call_io (io=0x7fb891e80970) at ioloop.c:379 ioloop = 0x7fb891e5e390 t_id = 2 #9 0x00007fb8917a043f in io_loop_handler_run (ioloop=<optimized out>) at ioloop-epoll.c:213 ctx = 0x7fb891e69100 events = <optimized out> event = 0x7fb891e69170 list = 0x7fb891e809c0 io = <optimized out> tv = {tv_sec = 59, tv_usec = 999508} msecs = <optimized out> ret = 1 i = <optimized out> j = <optimized out> call = <optimized out> #10 0x00007fb89179ed50 in io_loop_run (ioloop=0x7fb891e5e390) at ioloop.c:398 No locals. #11 0x00007fb891786a87 in master_service_run (service=0x7fb891e5e240, callback=<optimized out>) at master-service.c:544 No locals. #12 0x00007fb891c289a3 in main (argc=2, argv=0x7fb891e5e080) at main.c:373 c = <optimized out> best regards, Mark Schmale

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Re: [Dovecot] Dovecot Maildir - How to Seperate mail folders
by Guido Weiler 20 Jun '12

20 Jun '12

> Date: Mon, 18 Jun 2012 16:53:39 +0300 > From: Timo Sirainen <tss(a)iki.fi> > To: Dovecot Mailing List <dovecot(a)dovecot.org> > Subject: Re: [Dovecot] Dovecot Maildir - How to Seperate mail folders > Message-ID: <A828DCE4-9B1D-48AC-B1A1-C77C4D639AE4(a)iki.fi> > Content-Type: text/plain; charset=us-ascii > > On 18.6.2012, at 12.17, Guido Weiler wrote: > > > 01 OK Logged in. > >>> 02 list "" "*" > > * LIST (\HasNoChildren) "/" "INBOX" > > * LIST (\Noselect \HasChildren) "/" "greetings" > > * LIST (\HasNoChildren) "/" "greetings/INBOX" > > 02 OK List completed. > >>> 03 select "greetings/INBOX" > > 03 NO Mailbox doesn't exist: INBOX > >>> 04 select greetings > > 04 NO Mailbox doesn't exist: greetings > > > > --- > > > > What is this "\Noselect" mailbox showing up and why is it saying "greetings/INBOX" in the third row when in fact there > isn't a mailbox with this name? > > > > I am very sorry for having to bother you again, but I don't know what we are doing wrong here. > > (Dovecot version is 1.1.16) > > Fixed in newer versions, upgrade. > ------------------------------ Thank you. Can you tell me if this bug belongs to the LIST command only? Or is it generally impossible to SELECT such mailboxes with this version? Best Regards, Guido Weiler

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