[Dovecot] IMAP folders missing after migrating to Dovecot

[James Moser]

You probably just have to resubscribe to them...  they use different 
files for subscriptions.

Chris Horry wrote:

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>Hello all,
>
>I'm migrating to Dovecot from Courier-IMAP.  I use Postfix with Maildir
>for delivery.
>
>When I use Dovecot as the IMAP server all of my folders are missing, the
>only thing that remains is the Inbox folder.
>
>Has anyone else experienced this issue?  I have enclosed my configuration.
>
>Thanks,
>
>Chris
>
>- -- 
>Chris Horry           "Winter is the season in which people
>zerbey at wibble.co.uk    try to keep the house as warm as it was
>PGP: DSA/2B4C654E      it was in the summer, when they complained
>Amateur Radio: KG4TSM  about the heat" --Author Unknown
>
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>  
>
>------------------------------------------------------------------------
>
>## Dovecot 1.0 configuration file
>
># Default values are shown after each value, it's not required to uncomment
># any of the lines. Exception to this are paths, they're just examples
># with real defaults being based on configure options. The paths listed here
># are for configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var
># --with-ssldir=/etc/ssl
>
># Base directory where to store runtime data.
>#base_dir = /var/run/dovecot/
>
># Protocols we want to be serving:
>#  imap imaps pop3 pop3s
>protocols = imap imaps pop3
>
># IP or host address where to listen in for connections. It's not currently
># possible to specify multiple addresses. "*" listens in all IPv4 interfaces.
># "[::]" listens in all IPv6 interfaces, but may also listen in all IPv4
># interfaces depending on the operating system. You can specify ports with
># "host:port".
>#imap_listen = *
>#pop3_listen = *
>
># IP or host address where to listen in for SSL connections. Defaults
># to above non-SSL equilevants if not specified.
>imaps_listen = *:8000
>#pop3s_listen = 
>
># Disable SSL/TLS support.
>#ssl_disable = no
>
># PEM encoded X.509 SSL/TLS certificate and private key. They're opened before
># dropping root privileges, so keep the key file unreadable by anyone but
># root. Included doc/mkcert.sh can be used to easily generate self-signed
># certificate, just make sure to update the domains in dovecot-openssl.cnf
>#ssl_cert_file = /etc/ssl/certs/dovecot.pem
>ssl_cert_file = /usr/lib/courier-imap/share/imapd.pem
>ssl_key_file = /usr/lib/courier-imap/share/imapd.pem
>
># SSL parameter file. Master process generates this file for login processes.
># It contains Diffie Hellman and RSA parameters.
>#ssl_parameters_file = /var/run/dovecot/ssl-parameters.dat
>
># How often to regenerate the SSL parameters file. Generation is quite CPU
># intensive operation. The value is in hours, 0 disables regeneration
># entirely.
>#ssl_parameters_regenerate = 24
>
># Disable LOGIN command and all other plaintext authentications unless
># SSL/TLS is used (LOGINDISABLED capability)
>#disable_plaintext_auth = no
>
># Use this logfile instead of syslog(). /dev/stderr can be used if you want to
># use stderr for logging (ONLY /dev/stderr - otherwise it is closed).
>#log_path = 
>
># For informational messages, use this logfile instead of the default
>#info_log_path = 
>
># Prefix for each line written to log file. % codes are in strftime(3)
># format. Note the extra space at the end of line.
>#log_timestamp = "%b %d %H:%M:%S "
>
>##
>## Login processes
>##
>
># Directory where authentication process places authentication UNIX sockets
># which login needs to be able to connect to. The sockets are created when
># running as root, so you don't have to worry about permissions.
>#login_dir = /var/run/dovecot/login
>
># chroot login process to the login_dir. Only reason not to do this is if you
># wish to run the whole Dovecot without roots.
>#login_chroot = yes
>
>
>##
>## IMAP login process
>##
>
>login = imap
>
># Executable location.
>#login_executable = /usr/libexec/dovecot/imap-login
>
># User to use for the login process. Create a completely new user for this,
># and don't use it anywhere else. The user must also belong to a group where
># only it has access, it's used to control access for authentication process.
>#login_user = dovecot
>
># Set max. process size in megabytes. If you don't use
># login_process_per_connection you might need to grow this.
>#login_process_size = 16
>
># Should each login be processed in it's own process (yes), or should one
># login process be allowed to process multiple connections (no)? Yes is more
># secure, espcially with SSL/TLS enabled. No is faster since there's no need
># to create processes all the time.
>#login_process_per_connection = yes
>
># Number of login processes to create. If login_process_per_user is
># yes, this is the number of extra processes waiting for users to log in.
>#login_processes_count = 3
>
># Maximum number of extra login processes to create. The extra process count
># usually stays at login_processes_count, but when multiple users start logging
># in at the same time more extra processes are created. To prevent fork-bombing
># we check only once in a second if new processes should be created - if all
># of them are used at the time, we double their amount until limit set by this
># setting is reached. This setting is used only if login_process_per_use is yes.
>#login_max_processes_count = 128
>
># Maximum number of connections allowed in login state. When this limit is
># reached, the oldest connections are dropped. If login_process_per_user
># is no, this is a per-process value, so the absolute maximum number of users
># logging in actually login_processes_count * max_logging_users.
>#login_max_logging_users = 256
>
>##
>## POP3 login process
>##
>
># Settings default to same as above, so you don't have to set anything
># unless you want to override them.
>
>login = pop3
>
># Exception to above rule being the executable location.
>#login_executable = /usr/libexec/dovecot/pop3-login
>
>##
>## Mail processes
>##
>
># Maximum number of running mail processes. When this limit is reached,
># new users aren't allowed to log in.
>#max_mail_processes = 1024
>
># Show more verbose process titles (in ps). Currently shows user name and
># IP address. Useful for seeing who are actually using the IMAP processes
># (eg. shared mailboxes or if same uid is used for multiple accounts).
>#verbose_proctitle = no
>
># Show protocol level SSL errors.
>#verbose_ssl = no
>
># Valid UID range for users, defaults to 500 and above. This is mostly
># to make sure that users can't log in as daemons or other system users.
># Note that denying root logins is hardcoded to dovecot binary and can't
># be done even if first_valid_uid is set to 0.
>#first_valid_uid = 500
>#last_valid_uid = 0
>
># Valid GID range for users, defaults to non-root/wheel. Users having
># non-valid GID as primary group ID aren't allowed to log in. If user
># belongs to supplementary groups with non-valid GIDs, those groups are
># not set.
>#first_valid_gid = 1
>#last_valid_gid = 0
>
># ':' separated list of directories under which chrooting is allowed for mail
># processes (ie. /var/mail will allow chrooting to /var/mail/foo/bar too).
># This setting doesn't affect login_chroot or auth_chroot variables.
># WARNING: Never add directories here which local users can modify, that
># may lead to root exploit. Usually this should be done only if you don't
># allow shell access for users. See doc/configuration.txt for more information.
>#valid_chroot_dirs = 
>
># Default chroot directory for mail processes. This can be overridden by
># giving /./ in user's home directory (eg. /home/./user chroots into /home).
>#mail_chroot = 
>
># Default MAIL environment to use when it's not set. By leaving this empty
># dovecot tries to do some automatic detection as described in
># doc/mail-storages.txt. There's a few special variables you can use:
>#
>#   %u - username
>#   %n - user part in user at domain, same as %u if there's no domain
>#   %d - domain part in user at domain, empty if user there's no domain
>#   %h - home directory
>#
># You can also limit a width of string by giving the number of max. characters
># after the '%' character. For example %1u gives the first character of
># username. Some examples:
>#
>#   maildir:/var/mail/%1u/%u/Maildir
>#   mbox:~/mail/:INBOX=/var/mail/%u
>#   mbox:/var/mail/%d/%n/:INDEX=/var/indexes/%d/%n
>#
>default_mail_env = maildir:%h/Maildir
>
># Space-separated list of fields to cache for all mails. Currently these
># fields are allowed followed by a list of commands they speed up:
>#
>#  Envelope      - FETCH ENVELOPE and SEARCH FROM, TO, CC, BCC, SUBJECT,
>#                  SENTBEFORE, SENTON, SENTSINCE, HEADER MESSAGE-ID,
>#                  HEADER IN-REPLY-TO
>#  Body          - FETCH BODY
>#  Bodystructure - FETCH BODY, BODYSTRUCTURE
>#  MessagePart   - FETCH BODY[1.2.3] (ie. body parts), RFC822.SIZE,
>#                  SEARCH SMALLER, LARGER, also speeds up BODY/BODYSTRUCTURE
>#                  generation. This is always set with mbox mailboxes, and
>#                  also default with Maildir.
>#
># Different IMAP clients work in different ways, that's why Dovecot by default
># only caches MessagePart which speeds up most operations. Whenever client
># does something where caching could be used, the field is automatically marked
># to be cached later. For example after FETCH BODY the BODY will be cached
># for all new messages. Normally you should leave this alone, unless you know
># what most of your IMAP clients are. Caching more fields than needed makes
># the index files larger and generate useless I/O.
>#
># With maildir there's one extra optimization - if nothing is cached, indexing
># the maildir becomes much faster since it's not opening any of the mail files.
># This could be useful if your IMAP clients access only new mails.
>
>#mail_cache_fields = MessagePart
>
># Space-separated list of fields that Dovecot should never set to be cached.
># Useful if you want to save disk space at the cost of more I/O when the fields
># needed.
>#mail_never_cache_fields = 
>
># Workarounds for various client bugs:
>#   oe6-fetch-no-newmail:
>#     Never send EXISTS/RECENT when replying to FETCH command. Outlook Express
>#     seems to think they are FETCH replies and gives user "Message no longer
>#     in server" error. Note that OE6 still breaks even with this workaround
>#     if synchronization is set to "Headers Only".
>#   outlook-idle:
>#     Outlook and Outlook Express never abort IDLE command, so if no mail
>#     arrives in half a hour, Dovecot closes the connection. This is still
>#     fine, except Outlook doesn't connect back so you don't see if new mail
>#     arrives.
>#client_workarounds = 
>
># Dovecot can notify client of new mail in selected mailbox soon after it's
># received. This setting specifies the minimum interval in seconds between
># new mail notifications to client - internally they may be checked more or
># less often. Setting this to 0 disables the checking.
># NOTE: Evolution client breaks with this option when it's trying to APPEND.
>#mailbox_check_interval = 0
>
># Like mailbox_check_interval, but used for IDLE command.
>#mailbox_idle_check_interval = 30
>
># Allow full filesystem access to clients. There's no access checks other than
># what the operating system does for the active UID/GID. It works with both
># maildir and mboxes, allowing you to prefix mailboxes names with eg. /path/
># or ~user/.
>mail_full_filesystem_access = yes
>
># Maximum allowed length for custom flag name. It's only forced when trying
># to create new flags.
>#mail_max_flag_length = 50
>
># Save mails with CR+LF instead of plain LF. This makes sending those mails
># take less CPU, especially with sendfile() syscall with Linux and FreeBSD.
># But it also creates a bit more disk I/O which may just make it slower.
>#mail_save_crlf = no
>
># Use mmap() instead of read() to read mail files. read() seems to be a bit
># faster with my Linux/x86 and it's better with NFS, so that's the default.
>#mail_read_mmaped = no
>
># Copy mail to another folders using hard links. This is much faster than
># actually copying the file. This is problematic only if something modifies
># the mail in one folder but doesn't want it modified in the others. I don't
># know any MUA which would modify mail files directly. IMAP protocol also
># requires that the mails don't change, so it would be problematic in any case.
># If you care about performance, enable it.
>#maildir_copy_with_hardlinks = no
>
># Check if mails' content has been changed by external programs. This slows
># down things as extra stat() needs to be called for each file. If changes are
># noticed, the message is treated as a new message, since IMAP protocol
># specifies that existing message are immutable.
>#maildir_check_content_changes = no
>
># Which locking methods to use for locking mbox. There's three available:
>#  dotlock: Create <mailbox>.lock file. This is the oldest and most NFS-safe
>#           solution. If you want to use /var/mail/ like directory, the users
>#           will need write access to that directory.
>#  fcntl  : Use this if possible. Works with NFS too if lockd is used.
>#  flock  : May not exist in all systems. Doesn't work with NFS.
>#
># You can use both fcntl and flock too; if you do the order they're declared
># with is important to avoid deadlocks if other MTAs/MUAs are using both fcntl
># and flock. Some operating systems don't allow using both of them
># simultaneously, eg. BSDs. If dotlock is used, it's always created first.
>#mbox_locks = dotlock fcntl
>
># Should we create dotlock file even when we want only a read-lock? Setting
># this to yes hurts the performance when the mailbox is accessed simultaneously
># by multiple processes, but it's needed for reliable reading if no other
># locking methods are available.
>#mbox_read_dotlock = no
>
># Maximum time in seconds to wait for lock (all of them) before aborting.
>#mbox_lock_timeout = 300
>
># If dotlock exists but the mailbox isn't modified in any way, override the
># lock file after this many seconds.
>#mbox_dotlock_change_timeout = 30
>
># umask to use for mail files and directories
>#umask = 0077
>
># Drop all privileges before exec()ing the mail process. This is mostly
># meant for debugging, otherwise you don't get core dumps. Note that setting
># this to yes means that log file is opened as the logged in user, which
># might not work. It could also be a small security risk if you use single UID
># for multiple users, as the users could ptrace() each others processes then.
>#mail_drop_priv_before_exec = no
>
>##
>## IMAP process
>##
>
># Executable location
>#imap_executable = /usr/libexec/dovecot/imap
>
># Set max. process size in megabytes. Most of the memory goes to mmap()ing
># files, so it shouldn't harm much even if this limit is set pretty high.
>#imap_process_size = 256
>
># Support for dynamically loadable modules.
>#imap_use_modules = no
>#imap_modules = /usr/lib/dovecot/imap
>
>##
>## POP3 process
>##
>
># Executable location
>#pop3_executable = /usr/libexec/dovecot/pop3
>
># Set max. process size in megabytes. Most of the memory goes to mmap()ing
># files, so it shouldn't harm much even if this limit is set pretty high.
>#pop3_process_size = 256
>
># Support for dynamically loadable modules.
>#pop3_use_modules = no
>#pop3_modules = /usr/lib/dovecot/pop3
>
>##
>## Authentication processes
>##
>
># You can have multiple processes; each time "auth = xx" is seen, a new
># process definition is started. The point of multiple processes is to be
># able to set stricter permissions to others. For example, plain/PAM
># authentication requires roots, but if you also use digest-md5 authentication
># for some users, you can authenticate them without any privileges in a
># separate auth process. Just remember that only one auth process is asked
># for the password, so you can't have different passwords with different
># processes (unless they have different auth methods, and you're ok with
># having different password for each method).
>
># Authentication process name.
>auth = default
>
># Space separated list of wanted authentication mechanisms:
>#   plain digest-md5 anonymous
>auth_mechanisms = plain
>
># Space separated list of realms for SASL authentication mechanisms that need
># them. You can leave it empty if you don't want to support multiple realms.
># Many clients simply use the first one listed here, so keep the default realm
># first.
>#auth_realms =
>
># Default realm to use if none was specified.
>#auth_default_realm = 
>
># Where user database is kept:
>#   passwd: /etc/passwd or similiar, using getpwnam()
>#   passwd-file <path>: passwd-like file with specified location
>#   static uid=<uid> gid=<gid> home=<dir template>: static settings
>#   vpopmail: vpopmail library
>#   ldap <config path>: LDAP, see doc/dovecot-ldap.conf
>#   pgsql <config path>: a PostgreSQL database, see doc/dovecot-pgsql.conf
>auth_userdb = passwd
>
># Where password database is kept:
>#   passwd: /etc/passwd or similiar, using getpwnam()
>#   shadow: /etc/shadow or similiar, using getspnam()
>#   pam [<service> | *]: PAM authentication
>#   passwd-file <path>: passwd-like file with specified location
>#   vpopmail: vpopmail authentication
>#   ldap <config path>: LDAP, see doc/dovecot-ldap.conf
>#   pgsql <config path>: a PostgreSQL database, see doc/dovecot-pgsql.conf
>#auth_passdb = pgsql /usr/local/etc/dovecot-pgsql.conf
>auth_passdb = shadow /etc/shadow
>
>#auth_executable = /usr/libexec/dovecot/dovecot-auth
>
># Set max. process size in megabytes.
>#auth_process_size = 256
>
># User to use for the process. This user needs access to only user and
># password databases, nothing else. Only shadow and pam authentication
># requires roots, so use something else if possible.
>auth_user = root
>
># Directory where to chroot the process. Most authentication backends don't
># work if this is set, and there's no point chrooting if auth_user is root.
>#auth_chroot = 
>
># Number of authentication processes to create
>#auth_count = 1
>
># List of allowed characters in username. If the user-given username contains
># a character not listed in here, the login automatically fails. This is just
># an extra check to make sure user can't exploit any potential quote escaping
># vulnerabilities with SQL/LDAP databases. If you want to allow all characters,
># set this value to empty.
>#auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@
>
># Username to use for users logging in with ANONYMOUS SASL mechanism
>#auth_anonymous_username = anonymous
>
># More verbose logging. Useful for figuring out why authentication isn't
># working.
>#auth_verbose = no
>
># digest-md5 authentication process. It requires special MD5 passwords which
># /etc/shadow and PAM doesn't support, so we never need roots to handle it.
># Note that the passwd-file is opened before chrooting and dropping root
># privileges, so it may be 0600-root owned file.
>
>#auth = digest_md5
>#auth_methods = digest-md5
>#auth_realms = 
>#auth_userdb = passwd-file /etc/passwd.imap
>#auth_passdb = passwd-file /etc/passwd.imap
>#auth_user = imapauth
>#auth_chroot = 
>
># if you plan to use only passwd-file, you don't need the two auth processes,
># simply set "auth_methods = plain digest-md5"
>  
>

-- 
James L Moser                 james at powweb.com
PowWeb Hosting                http://www.powweb.com

/(bb|[^b]{2})/,  that is the Question.

mysql>SELECT * FROM user WHERE clue > 0;
Empty set (0.03 sec) 

Health is merely the slowest possible rate at which one can die... 
Health nuts are going to feel stupid someday, lying in hospitals dying of nothing...

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