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[Dovecot] Maildir + quota + listescape = wrong dir location
by Mariusz Kruk 18 Jun '12

18 Jun '12

I've just stumbled across a strange thing which seems to be a bug. It happens in 2.0.9 as well as 2.0.11 in which I tested it. dovecot -n output: # 2.0.9: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-220.17.1.el6.x86_64 x86_64 CentOS release 6.2 (Final) listen = * mail_location = maildir:~/mail mail_plugins = " quota listescape" mbox_write_locks = fcntl namespace { inbox = yes location = prefix = separator = / type = private } passdb { driver = pam } plugin { quota = maildir:User quota quota_rule = *:storage=1G } protocols = imap ssl_cert = </etc/pki/dovecot/certs/dovecot.pem ssl_key = </etc/pki/dovecot/private/dovecot.pem userdb { driver = passwd } protocol imap { mail_plugins = " quota listescape imap_quota autocreate" } The problem with this setup is that with listescape loaded doveadm (as well as dovecot running by itself) can't properly get quotas for nested subfolders. Listescape causes dovecot to use namespace separator for fetching directory names corresponding to folders instead of interpreting them according to layout rules. When I tried stracing, i got this: # strace -e trace=stat doveadm quota recalc -u testimap 2>&1 | grep testimap stat("/home/testimap/mail", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/home/testimap/mail/new", 0x7fff220ca290) = -1 ENOENT (No such file or directory) stat("/home/testimap/mail/cur", 0x7fff220ca290) = -1 ENOENT (No such file or directory) stat("/home/testimap/mail/.INBOX/test/new", 0x7fff220ca290) = -1 ENOENT (No such file or directory) stat("/home/testimap/mail/.INBOX/test/cur", 0x7fff220ca290) = -1 ENOENT (No such file or directory) stat("/home/testimap/mail/.test/new", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/home/testimap/mail/.test/cur", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/home/testimap/mail/new", 0x7fff220ca290) = -1 ENOENT (No such file or directory) stat("/home/testimap/mail/cur", 0x7fff220ca290) = -1 ENOENT (No such file or directory) stat("/home/testimap/mail/.INBOX/test/new", 0x7fff220ca290) = -1 ENOENT (No such file or directory) stat("/home/testimap/mail/.INBOX/test/cur", 0x7fff220ca290) = -1 ENOENT (No such file or directory) stat("/home/testimap/mail/.test/new", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/home/testimap/mail/.test/cur", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/home/testimap/mail", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 If I either disable listescape or change namespace separator to dot, the path gets resolved correctly (although it's still wrong behaviour with '.' as separator, just happens to give right result in this case). # strace -e trace=stat doveadm quota recalc -u testimap 2>&1 | grep testimap stat("/home/testimap/mail", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/home/testimap/mail/new", 0x7fffac6b0cb0) = -1 ENOENT (No such file or directory) stat("/home/testimap/mail/cur", 0x7fffac6b0cb0) = -1 ENOENT (No such file or directory) stat("/home/testimap/mail/.INBOX.test/new", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/home/testimap/mail/.INBOX.test/cur", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/home/testimap/mail/.test/new", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/home/testimap/mail/.test/cur", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/home/testimap/mail/new", 0x7fffac6b0cb0) = -1 ENOENT (No such file or directory) stat("/home/testimap/mail/cur", 0x7fffac6b0cb0) = -1 ENOENT (No such file or directory) stat("/home/testimap/mail/.INBOX.test/new", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/home/testimap/mail/.INBOX.test/cur", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/home/testimap/mail/.test/new", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/home/testimap/mail/.test/cur", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 stat("/home/testimap/mail", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 And in this case quota info gets updated correctly. I believe this is a bug but maybe I'm missing something about listescape configuration. Regards Mariusz Kruk

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[Dovecot] Dovecot Maildir - How to Seperate mail folders
by Guido Weiler 18 Jun '12

18 Jun '12

Hi Timo, thank you very much for your quick reply. I tried that but it is not possible to SELECT such a mailbox. I have in dovecot.conf: --- mail_location=maildir:/data/messages%h namespace private { separator = / prefix = location = maildir:/data/messages%h inbox = yes list = yes } namespace public { separator = / prefix = greetings/ location = maildir:/data/greetings%h inbox = no list = yes hidden = yes } --- Messages are coming in from EXIM separated by a special HEADER into this two folders. For INBOX this works fine but not for greetings, although the maildir files are being created upon delivery. Sample IMAP Session AFTER delivering a greeting-type message: --- 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) Guido Weiler -----Ursprüngliche Nachricht----- Von: Timo Sirainen [mailto:tss@iki.fi] Gesendet: Montag, 11. Juni 2012 22:48 An: Guido Weiler Betreff: Re: Dovecot Maildir - How to Seperate mail folders You should be able to do this with namespaces. namespace { prefix = INBOX/VeryImportantMessages/ location = maildir:/very/important/messages hidden = yes } On 8.6.2012, at 18.09, Guido Weiler wrote: > Hello Timo, > > for one of our latest dovecot/IMAP-projects, we need to separate physical locations of some special IMAP folders. > So to make, for example the "INBOX/VeryImportantMessages"-Folder is on a completely different volume or mount point than the mails in INBOX or other user generated imap subfolders. > > Can you tell me if there is any possible way to implement this / change it in dovecots maildir implementation, or maybe it is already planned to do so in further versions of dovecot? > > We have to treat all messages in that one special folder with an extended backup scenario, and I think it would be the best if we can implement to have an additional mail_location parameter in dovecot.conf (e.g. important_mail_location). > > We are somewhat familiar with the dovecot source code since we already implemented plugins and other modifications to dovecot 1.1.16 but any advise or information is very appreciated. > > Kind regards, > > > Guido Weiler

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[Dovecot] Sieve and fileinto encoding change?
by Angel L. Mateo 18 Jun '12

18 Jun '12

Hello, I have changed from debian servers (debian lenny 5) running dovecot 1.1.16 to new ones with ubuntu 12.04 and dovecot 2.1.5 and now I'm having problems with sieve filters storing mails in folders with spanish characters (accents). Myh problem is the one described at http://www.dovecot.org/list/dovecot/2009-October/044061.html and http://dovecot.org/list/dovecot/2009-July/041690.html, that is, in my sieve scripts (generated with horde ingo) folder's names are in utf-7 instead of utf-8. Although I'm planning to patch ingo, my question is why those same scripts, with utf-7 folder's names, are working with dovecot 1.1.16 but not with 2.1.5? Because in my old servers those scripts worked without any problem...

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[Dovecot] Error: doveadm client attempted non-PLAIN authentication
by Daniel Parthey 17 Jun '12

17 Jun '12

Hi doveadm search -u user(a)example.org -S localhost:19000 all produces the following error in the logs: dovecot: doveadm: Error: doveadm client attempted non-PLAIN authentication What am I missing? * tcpdump of tcp communication on port 19000 is attached * dovecot.conf is attached Regards Daniel

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[Dovecot] doveadm backup panic
by Gedalya 16 Jun '12

16 Jun '12

using latest auto build didn't help. this happens only with a specific account. # doveadm -o imapc_user=-----(a)domain.com -o imapc_password=---- backup -u =-----(a)domain.com -R imapc: dsync(----(a)domain.com): Panic: pool_data_stack_realloc(): stack frame changed dsync(----(a)domain.com): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x4209a) [0xb762b09a] -> /usr/lib/dovecot/libdovecot.so.0(default_fatal_handler+0x41) [0xb762b1a1] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0xb75fd99e] -> /usr/lib/dovecot/libdovecot.so.0(+0x547ce) [0xb763d7ce] -> /usr/lib/dovecot/libdovecot.so.0(+0x3ebf9) [0xb7627bf9] -> /usr/lib/dovecot/libdovecot.so.0(buffer_get_space_unsafe+0x78) [0xb7628658] -> /usr/lib/dovecot/libdovecot.so.0(buffer_append_space_unsafe+0x2a) [0xb762875a] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x60005) [0xb76dc005] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x62aa9) [0xb76deaa9] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x66e61) [0xb76e2e61] -> /usr/lib/dovecot/libdovecot-storage.so.0(imapc_connection_input_pending+0x14d) [0xb76e3a3d] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x67aac) [0xb76e3aac] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x44) [0xb763a034] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0xce) [0xb763ae8e] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x40) [0xb76399d0] -> /usr/lib/dovecot/libdovecot-storage.so.0(imapc_client_run+0xa7) [0xb76e0297] -> /usr/lib/dovecot/libdovecot-storage.so.0(imapc_storage_run+0x26) [0xb76df1e6] -> /usr/lib/dovecot/libdovecot-storage.so.0(imapc_mailbox_sync_init+0x6de) [0xb76ddfde] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_sync_init+0x3b) [0xb76f468b] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_sync+0x3c) [0xb76f47cc] -> doveadm() [0x8072510] -> doveadm() [0x8072789] -> doveadm() [0x80729b2] -> doveadm(dsync_worker_msg_iter_next+0x29) [0x8070a69] -> doveadm() [0x806b6e1] -> doveadm() [0x806b736] -> doveadm(dsync_brain_msg_sync_more+0x4cb) [0x806bc7b] -> doveadm(dsync_brain_sync+0x3bb) [0x806a3ab] Aborted

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[Dovecot] migrating v.1 to v.2
by Voytek Eymont 15 Jun '12

15 Jun '12

I have a working Dovecot/MySQL with version 1.x I'm looking at setting a new server using ver. 2 I'm currently pre-planning: can I use config files from ver 1 installation on version 2 setup 'as is'; or what's a proper way to do such migration/upgrade ? -- V

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[Dovecot] Sieve stopped working
by Ben Versang 15 Jun '12

15 Jun '12

Hi, I have installed RoundCube a couple of years ago on a Snow Leopard server. All nice and dandy up to today. Sieve has stopped working and I have spent hours and been unable so far to get it up and running again. When I run ps aux |grep sieve it is not returning anything to me suggesting that the problem is not with sieve it-self but rather with Dovecot not starting the sieve. If anyone could give me some leads I can't think of anyting else. netstat -a |grep 2000 returns returns nothing telnet localhost 2000 Trying ::1... telnet: connect to address ::1: Connection refused Trying fe80::1... telnet: connect to address fe80::1: Connection refused Trying 127.0.0.1... telnet: connect to address 127.0.0.1: Connection refused telnet: Unable to connect to remote host The rest of mail functions are working fine (IMAP, SMTP...). Thanks in advance Ben

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[Dovecot] imap max user ip conn, what's a safe increase?
by Voytek Eymont 15 Jun '12

15 Jun '12

I have dovecot 1.x, all's working well, thanks now that I'm using K9 mail on Android phone, whenever I try to access emails with an imap collect 'pass' from Snapper mail client on Palm, I get: "max number of connections from user+ip exceeded" I'm currently at default (unspecified) of 10 imap/3 pop what's a reasonable next number of IMAP connections I should up it to ? that won't bite on the backside...? 12 ? 20 ? when I run IMAP pass from Snapper, I only run it over inbox, maybe one other folder, max 2 folders, so 12 should do ? /etc/dovecot# grep max_user * dovecot.conf: #mail_max_userip_connections = 10 dovecot.conf: #mail_max_userip_connections = 3 -- Voytek

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[Dovecot] Auth password problem
by arleal 14 Jun '12

14 Jun '12

i have debian squeeze. i have installed mds with ldap integration and i want to use dovecot/LDAP but i have problems with login. I have dovecot 1.2. I try all of dovecot wiki but i dont know how to configure it good dovecot.conf protocols = imap imaps pop3 pop3s listen = *, :: auth_verbose = yes auth_debug = yes auth_debug_passwords = yes mail_debug = yes verbose_ssl = yes login_greeting = royoleal.com mailserver ready. mail_location = maildir:/home/users/%u/Maildir disable_plaintext_auth = no ssl_cert_file = /etc/ssl/certs/mail.pem ssl_key_file = /etc/ssl/private/mail.key log_path = /var/log/dovecot.log info_log_path = /var/log/dovecot.log # IMAP configuration protocol imap { mail_plugins = quota imap_quota } # POP3 configuration protocol pop3 { pop3_uidl_format = %08Xu%08Xv mail_plugins = quota } # LDA configuration protocol lda { postmaster_address = postmaster auth_socket_path = /var/run/dovecot/auth-master mail_plugins = quota } # LDAP authentication auth default { mechanisms = plain login passdb ldap { args = /etc/dovecot/dovecot-ldap.conf } userdb ldap { args = /etc/dovecot/dovecot-ldap.conf } socket listen { master { path = /var/run/dovecot/auth-master mode = 0660 user = dovecot group = mail } client { path = /var/spool/postfix/private/auth mode = 0660 user = postfix group = postfix } } } And this is dovecot-ldap.conf hosts = 127.0.0.1 auth_bind = yes ldap_version = 3 dn = cn=admin,dc=royoleal,dc=com dnpass = royoleal base = dc=royoleal,dc=com auth_bind_userdn = cn=%u,ou=Users,dc=royoleal,dc=com scope = subtree user_attrs = uidNumber=uid,gidNumber=gid user_filter = (&(objectClass=mailAccount)(mail=%u)(mailenable=OK)) pass_attrs = mail=mail,userPassword=password pass_filter = (&(objectClass=mailAccount)(mail=%u)(mailenable=OK)) default_pass_scheme = CRYPT When i try login with telnet or other program i have this problem in dovecot.log Jun 13 22:45:13 auth(default): Info: client in: AUTH 1 PLAIN service=imap secured lip=127.0.0.1 rip=127.0.0.1 lport=14 3 rport=55040 resp=AHBydWViYUByb3lvbGVhbC5jb20AcHJ1ZWJh Jun 13 22:45:13 auth(default): Info: ldap(prueba(a)royoleal.com,127.0.0.1): invalid credentials (given password: prueba) Jun 13 22:45:13 auth(default): Info: new auth connection: pid=2613 Jun 13 22:45:15 auth(default): Info: client out: FAIL 1 user=prueba(a)royoleal.com Jun 13 22:45:20 imap-login: Info: Aborted login (auth failed, 1 attempts): user=<prueba(a)royoleal.com>, method=PLAIN, rip=127.0.0.1, lip= 127.0.0.1, secured Thanks. -- View this message in context: http://old.nabble.com/Auth-password-problem-tp34008289p34008289.html Sent from the Dovecot mailing list archive at Nabble.com.

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[Dovecot] difference between client_limit and process_limit
by Angel L. Mateo 14 Jun '12

14 Jun '12

Hi, What is the real difference between client and process limit? According to documentation (http://wiki2.dovecot.org/Services#Service_limits) client_limit: Maximum number of simultaneous client connections. If set to 0, default_client_limit is used instead. process_limit: Maximum number of processes that can exist for this service. If set to 0, default_process_limit is used instead. But what does "client connection" exactly means? Is a user (login)? Is a user opens a few TCP connections (as many clients do) are they count as different connections? -- 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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