- dovecot - dovecot.org

[Dovecot] set quota on INBOX only
by Kristian Vlahovicek 01 Jul '06

01 Jul '06

Hello, how can I configure the IMAP quota plugin to force quotas on inbox only? I would like to limit the size of each of the user's inbox (in /var/mail/%u) to 50 meg and I do not want to force any quotas in their folders (mbox style). They should keep their inbox small :) thanks, Kristian

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[Dovecot] help for static user
by JC 01 Jul '06

01 Jul '06

Hi everybody, I have been long (for 2 days) trying, but I really need some help. I would like to use virtual static users. I configured my file as indicated in the documentation and then I created the following directory, with the needed rights (mail account) and leave them empty : /var/mail/virtual/<mon_domaine>.fr/toto/ I am not sure that it is the good method, but I understand it as follows : dovecot looks up in the directories and takes them as usernames and domain names. When I try to open the imap box from a client (evolution), I get a "Unknown error - the server closed the connection" message, that doesn't appear in the server's syslog. My dovecont.conf : << base_dir = /var/run/dovecot/ protocols = pop3s imaps imap_listen = *:143 pop3_listen = * ssl_cert_file = /etc/ssl/certs/dovecot.pem ssl_key_file = /etc/ssl/private/dovecot.pem disable_plaintext_auth = yes log_path = /var/log/dovecot.log log_timestamp = "%b %d %H:%M:%S " login_dir = /var/run/dovecot/login login_chroot = yes login = imap login_executable = /usr/lib/dovecot/imap-login login_user = dovecot login_process_size = 32 login_process_per_connection = yes login_processes_count = 3 login_max_processes_count = 128 login_max_logging_users = 256 login = pop3 login_executable = /usr/lib/dovecot/pop3-login max_mail_processes = 1024 verbose_proctitle = yes first_valid_uid = 8 last_valid_uid = 0 first_valid_gid = 1 last_valid_gid = 0 mail_extra_groups = mail client_workarounds = outlook-idle outlook-pop3-no-nuls mailbox_check_interval = 0 mailbox_idle_check_interval = 30 mail_full_filesystem_access = no mail_max_flag_length = 50 mail_save_crlf = no mail_read_mmaped = no maildir_stat_dirs = no maildir_copy_with_hardlinks = no maildir_check_content_changes = no mbox_lock_timeout = 300 mbox_dotlock_change_timeout = 30 umask = 0077 imap_executable = /usr/lib/dovecot/imap imap_process_size = 256 imap_use_modules = no imap_modules = /usr/lib/dovecot/imap pop3_executable = /usr/lib/dovecot/pop3 pop3_process_size = 256 pop3_use_modules = no pop3_modules = /usr/lib/dovecot/pop3 auth = cram-md5 auth_mechanisms = cram-md5 auth_realms = auth_userdb = passwd static uid=8 gid=8 home=/var/mail/virtual/%d/%u auth_passdb = passwd-file /etc/dovecot/cram-md5.pwd auth_user = dovecot auth_chroot = auth_executable = /usr/lib/dovecot/dovecot-auth auth_process_size = 256 auth_count = 1 auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@ >> Thank you in advance for any help.

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[Dovecot] Secure connection from "localhost" in jails
by Dirk Engling 01 Jul '06

01 Jul '06

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Dear dovecot developers, first: thanks for this really cool imapd, on my server it serves some hundred domains, all in all some thousand users, some having hundred thousand mails in their Maildirs (their spam boxes mostly). Since I put this installation in an FreeBSD geli encrypted disc image I had no choice but to choose an imapd with clever indexes - dovecot was perfect. However, since I reconfigured the disc image to work as a FreeBSD jail, I had some trouble with my web mail solution. Squirrelmail does not work with imaps (or at least not smoothly, out of the box, or whatever) and I didn't like to hack php to support SSL. Plus: there is no point in using ssl for a local connection. In a FreeBSD jail a sockets source address is always rewritten to the jails address, so squirrelmail opening a connection to dovecot will not come from 127.0.0.1 but from the same (jails) address, dovecot listens to. Still, dovecot only considers 'localhost' addresses as secure and allows LOGIN or PLAIN auth. With the little patch below dovecot allows clients from the jail to authenticate via LOGIN, when they connect from the IP it accepts connections at. Something similar is lurking around in pop3 auth code, I am sure, you get the point. Regards erdgeist ======== 8< ======== 8< ======== 8< ======== 8< ======== 8< ======== 8< dovecot-1.0.rc1/src/imap-login 18:59:44 #> diff -u client.c* - --- client.c Thu Jun 29 18:59:39 2006 +++ client.c_new Thu Jun 29 18:59:19 2006 @@ -411,7 +411,7 @@ const struct ip_addr *ip) { struct imap_client *client; - - const char *addr; + const char *addr, *local_addr; if (max_logging_users > CLIENT_DESTROY_OLDEST_COUNT && hash_size(clients) >= max_logging_users) { @@ -429,8 +429,10 @@ client->common.tls = ssl; addr = net_ip2addr(ip); + local_addr = net_ip2addr(local_ip); client->common.secured = ssl || (IPADDR_IS_V4(ip) && strncmp(addr, "127.", 4) == 0) || + (IPADDR_IS_V4(ip) && strncmp(addr, local_addr, strlen(local_addr)) == 0) || (IPADDR_IS_V6(ip) && (strcmp(addr, "::1") == 0 || strncmp(addr, "::ffff:127.", 11) == 0)); -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (Darwin) iD8DBQFEpmKwImmQdUyYEgkRAmWJAKCISUFtjdwvIZvHucqREHXKmB3s3ACeO7ql phwkh3m/KTjQCKsRetLxORA= =VnV4 -----END PGP SIGNATURE-----

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[Dovecot] How to use filters with the LDA?
by martin f krafft 30 Jun '06

30 Jun '06

Hi, I am trying to deploy dovecot LDA and liking it so far. However, I need to pass the message through some filters before it's delivered to the user (e.g. spamc). I realise I can just set up a chain (postfix delivers to spamc, pipes to foo, pipes to bar, pipes to deliver), but there's no reliable error handling with that approach. Furthermore, I cannot seem to figure out whether sieve can pass messages through external filters, or how you'd do that. How do people approach this? What would be really sweet is an LDA plugin that can call arbitrary filters for each message it processes. Has something (obvious) like this been done? Thanks, -- martin; (greetings from the heart of the sun.) \____ echo mailto: !#^."<*>"|tr "<*> mailto:" net@madduck spamtraps: madduck.bogus(a)madduck.net "doesn't he know who i think i am?" -- phil collins

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[Dovecot] some basic questions
by David 29 Jun '06

29 Jun '06

I'm seeking a small IMAP server, and dovecat was recommended by those more savvy than me. (The sign on my monitor is "My programming language is solder..") so I'll be getting help to deploy this, but first... I've read through the wiki docs but still have questions, ones likely too obvious for most readers.... There will be <100 users, the platform will Debian, and I need IMAP/PO over SSL/TSL and locally-hosted Squirrelmail [unless someone has a better webmail client...]. Other boxes here run postfix, so that is a first choice. Clients will be Eudora, maybe TBird/Apple mail; no M$ Outlook. A) I need multi-domain support, with <joe(a)xyz.com> and <joy(a)qbc.net> being separate users. B) I have a problem with storage-abusers & really want the carrot-stick quota system my favorite ISP, Panix, has. You get N bytes {or messages, I can live with either/both} and when you get near, you get nagged until you solve it. When you exceed quota, you get no more incoming mail, just nagging. It's shunted aside until you make room. After D days, if it's still there, the shunted mail is returned. Regular reports as to who's naughty and nice would be great. C) Password changes. How can I have user-changable pw's, with crack/sanity checking of the new ones? Do I have to have accessible shell accounts on the box for each user? [argh] D) Spam: assume I can run spam-assassin and have it move suspected mail into a Junque mailbox; true? E) Non-guru creation/deletion of accounts: It appears from "Virtual Users" that this is possible via a text file, but I'm not sure... Comments?

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[Dovecot] Managesieve daemon
by Luca Corti 29 Jun '06

29 Jun '06

Hello, some time ago there was dicussion on the list about development of a managesieve daemon to allow users to manage their own scripts. After putting the pieces togheter and having sieve working in the lda with Dovecot I solved the management issue by using Horde's Ingo + FTP to manage scripts for virtual users. This is quite ugly (technically speaking) but works and it is integrated with my webmail system (which is quite nice). Is anyone actively working on this? Which client do support managesieve? Luca

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[Dovecot] upgrade from beta9 to rc1 - lost access to messages and folders
by Joseph W. Breu 29 Jun '06

29 Jun '06

Hello All, Upgraded a test machine this morning from beta9 to rc1 and lost access to messages and folders. an strace on the imap process shows it accessing the home directory, but not the mail directory. The two queries that I use are: password_query = SELECT email,crypt as password FROM users WHERE email = '%u' user_query = SELECT homedir AS home, maildir AS mail, 1000 AS uid, 1000 AS gid FROM users WHERE email = '%u' In this example, homedir=/var/spool/mail/filer/storage and maildir=cfu.net/b/r/breu Under beta9, it finds the homedir/maildir correctly as /var/spool/mail/filer/storage/cfu.net/b/r/breu. Under rc1, it accesses /var/spool/mail/filer/storage//mail/ What did I miss during the upgrade? -- Thanks, --------------------------------------------------------- Joseph W. Breu, CCNA phone : +1.319.268.5228 Senior Network Administrator fax : +1.319.266.8158 Cedar Falls Utilities cell : +1.319.493.1686 support: +1.319.268.5221 url : http://www.cfu.net

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[Dovecot] Maildir Quota and Trash Folder
by Joseph W. Breu 29 Jun '06

29 Jun '06

Is there an option to instruct the imap_quota plugin to count messages in the Trash folder as used space? Thanks, --------------------------------------------------------- Joseph W. Breu, CCNA phone : +1.319.268.5228 Senior Network Administrator fax : +1.319.266.8158 Cedar Falls Utilities cell : +1.319.493.1686 support: +1.319.268.5221 url : http://www.cfu.net

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[Dovecot] [PATCH]: updated tpop3d UIDL support based on older patch
by Arkadiusz Miskiewicz 29 Jun '06

29 Jun '06

Hi, Here is an updated patch which allows to use tpop3d compatible UIDL in dovecot (it's against 1.0rc1): http://cvs.pld-linux.org/cgi-bin/cvsweb/SOURCES/dovecot-tpop3d-uidl.patch?r… which is based on: http://dovecot.org/pipermail/dovecot/2006-March/012080.html Please consider merging it. -- Arkadiusz Miśkiewicz PLD/Linux Team arekm / maven.pl http://ftp.pld-linux.org/

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[Dovecot] Running on HPUX
by Rich Rauenzahn 29 Jun '06

29 Jun '06

I've gotten fairly far into compiling and running dovecot on HPUX. The problem I'm currently having is that the index seems to be mmap'ed at twice after login. The 576 byte mmap is the index file: root@hp46t243 # grep mmap64 /tmp/dovecot.tusc [imap ][1707] mmap64(NULL, 576, PROT_READ|PROT_WRITE, MAP_SHARED, 7, 0) = 0xc166c000 [imap ][1707] mmap64(NULL, 18432, PROT_READ, MAP_SHARED, 8, 0) ........ = 0xc166d000 [imap ][1707] mmap64(NULL, 24, PROT_READ, MAP_SHARED, 9, 0) ........... = 0xc1672000 [imap ][1707] mmap64(NULL, 576, PROT_READ|PROT_WRITE, MAP_SHARED, 7, 0) ERR#12 ENOMEM [imap ][1717] mmap64(NULL, 576, PROT_READ|PROT_WRITE, MAP_SHARED, 7, 0) = 0xc166c000 [imap ][1717] mmap64(NULL, 18432, PROT_READ, MAP_SHARED, 9, 0) ........ = 0xc166d000 [imap ][1717] mmap64(NULL, 24, PROT_READ, MAP_SHARED, 8, 0) ........... = 0xc1672000 [imap ][1717] mmap64(NULL, 576, PROT_READ|PROT_WRITE, MAP_SHARED, 7, 0) ERR#12 ENOMEM [imap ][1897] mmap64(NULL, 576, PROT_READ|PROT_WRITE, MAP_SHARED, 7, 0) = 0xc166c000 [imap ][1897] mmap64(NULL, 18432, PROT_READ, MAP_SHARED, 9, 0) ........ = 0xc166d000 [imap ][1897] mmap64(NULL, 24, PROT_READ, MAP_SHARED, 8, 0) ........... = 0xc1672000 [imap ][1897] mmap64(NULL, 576, PROT_READ|PROT_WRITE, MAP_SHARED, 7, 0) ERR#12 ENOMEM [imap ][2042] mmap64(NULL, 576, PROT_READ|PROT_WRITE, MAP_SHARED, 7, 0) = 0xc166c000 [imap ][2042] mmap64(NULL, 18432, PROT_READ, MAP_SHARED, 9, 0) ........ = 0xc166d000 [imap ][2042] mmap64(NULL, 24, PROT_READ, MAP_SHARED, 8, 0) ........... = 0xc1672000 [imap ][2042] mmap64(NULL, 576, PROT_READ|PROT_WRITE, MAP_SHARED, 7, 0) ERR#12 ENOMEM [imap ][2178] mmap64(NULL, 576, PROT_READ|PROT_WRITE, MAP_SHARED, 7, 0) = 0xc166c000 [imap ][2178] mmap64(NULL, 18432, PROT_READ, MAP_SHARED, 9, 0) ........ = 0xc166d000 [imap ][2178] mmap64(NULL, 24, PROT_READ, MAP_SHARED, 8, 0) ........... = 0xc1672000 [imap ][2178] mmap64(NULL, 576, PROT_READ|PROT_WRITE, MAP_SHARED, 7, 0) ERR#12 ENOMEM [imap ][2318] mmap64(NULL, 576, PROT_READ|PROT_WRITE, MAP_SHARED, 7, 0) = 0xc166c000 [imap ][2318] mmap64(NULL, 18432, PROT_READ, MAP_SHARED, 9, 0) ........ = 0xc166d000 [imap ][2318] mmap64(NULL, 24, PROT_READ, MAP_SHARED, 8, 0) ........... = 0xc1672000 [imap ][2318] mmap64(NULL, 576, PROT_READ|PROT_WRITE, MAP_SHARED, 7, 0) ERR#12 ENOMEM root@hp46t243 # I think multiple mmap's of the same file are verboten -- + In most cases, two separate calls to mmap() cannot map overlapping ranges in a file. The virtual address range reserved for a file range is determined at the time of the initial mapping of the file range into a process address space. The system allocates only the virtual address range necessary to represent the initial mapping. As long as the initial mapping exists, subsequent attempts to map a different file range that includes any portion of the initial range may fail with an ENOMEM error if an extended contiguous address range that preserves the mappings of the initial range cannot be allocated. So, I was trying to look at why the index file is being mapped twice, and why the addr isn't saved and reused. I was thinking of adding it to one of the index structures and skipping the mmap if the addr != 0. I've been poking around for a couple of hours today and am going to call it a day, but I thought I'd ping the list to see if there was something obvious I was missing. Rich

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