|
|
|
@@ -0,0 +1,386 @@ |
|
|
|
## |
|
|
|
## Mailbox locations and namespaces |
|
|
|
## |
|
|
|
|
|
|
|
# Location for users' mailboxes. The default is empty, which means that Dovecot |
|
|
|
# tries to find the mailboxes automatically. This won't work if the user |
|
|
|
# doesn't yet have any mail, so you should explicitly tell Dovecot the full |
|
|
|
# location. |
|
|
|
# |
|
|
|
# If you're using mbox, giving a path to the INBOX file (eg. /var/mail/%u) |
|
|
|
# isn't enough. You'll also need to tell Dovecot where the other mailboxes are |
|
|
|
# kept. This is called the "root mail directory", and it must be the first |
|
|
|
# path given in the mail_location setting. |
|
|
|
# |
|
|
|
# There are a few special variables you can use, eg.: |
|
|
|
# |
|
|
|
# %u - username |
|
|
|
# %n - user part in user@domain, same as %u if there's no domain |
|
|
|
# %d - domain part in user@domain, empty if there's no domain |
|
|
|
# %h - home directory |
|
|
|
# |
|
|
|
# See doc/wiki/Variables.txt for full list. Some examples: |
|
|
|
# |
|
|
|
# mail_location = maildir:~/Maildir |
|
|
|
# mail_location = mbox:~/mail:INBOX=/var/mail/%u |
|
|
|
# mail_location = mbox:/var/mail/%d/%1n/%n:INDEX=/var/indexes/%d/%1n/%n |
|
|
|
# |
|
|
|
# <doc/wiki/MailLocation.txt> |
|
|
|
# |
|
|
|
mail_home = /var/vmail/%d/%n |
|
|
|
mail_location = sdbox:~/mail.sdbox |
|
|
|
|
|
|
|
# If you need to set multiple mailbox locations or want to change default |
|
|
|
# namespace settings, you can do it by defining namespace sections. |
|
|
|
# |
|
|
|
# You can have private, shared and public namespaces. Private namespaces |
|
|
|
# are for user's personal mails. Shared namespaces are for accessing other |
|
|
|
# users' mailboxes that have been shared. Public namespaces are for shared |
|
|
|
# mailboxes that are managed by sysadmin. If you create any shared or public |
|
|
|
# namespaces you'll typically want to enable ACL plugin also, otherwise all |
|
|
|
# users can access all the shared mailboxes, assuming they have permissions |
|
|
|
# on filesystem level to do so. |
|
|
|
namespace inbox { |
|
|
|
# Namespace type: private, shared or public |
|
|
|
#type = private |
|
|
|
|
|
|
|
# Hierarchy separator to use. You should use the same separator for all |
|
|
|
# namespaces or some clients get confused. '/' is usually a good one. |
|
|
|
# The default however depends on the underlying mail storage format. |
|
|
|
#separator = |
|
|
|
|
|
|
|
# Prefix required to access this namespace. This needs to be different for |
|
|
|
# all namespaces. For example "Public/". |
|
|
|
#prefix = |
|
|
|
|
|
|
|
# Physical location of the mailbox. This is in same format as |
|
|
|
# mail_location, which is also the default for it. |
|
|
|
#location = |
|
|
|
|
|
|
|
# There can be only one INBOX, and this setting defines which namespace |
|
|
|
# has it. |
|
|
|
inbox = yes |
|
|
|
|
|
|
|
# If namespace is hidden, it's not advertised to clients via NAMESPACE |
|
|
|
# extension. You'll most likely also want to set list=no. This is mostly |
|
|
|
# useful when converting from another server with different namespaces which |
|
|
|
# you want to deprecate but still keep working. For example you can create |
|
|
|
# hidden namespaces with prefixes "~/mail/", "~%u/mail/" and "mail/". |
|
|
|
#hidden = no |
|
|
|
|
|
|
|
# Show the mailboxes under this namespace with LIST command. This makes the |
|
|
|
# namespace visible for clients that don't support NAMESPACE extension. |
|
|
|
# "children" value lists child mailboxes, but hides the namespace prefix. |
|
|
|
#list = yes |
|
|
|
|
|
|
|
# Namespace handles its own subscriptions. If set to "no", the parent |
|
|
|
# namespace handles them (empty prefix should always have this as "yes") |
|
|
|
#subscriptions = yes |
|
|
|
|
|
|
|
# See 15-mailboxes.conf for definitions of special mailboxes. |
|
|
|
} |
|
|
|
|
|
|
|
# Example shared namespace configuration |
|
|
|
#namespace { |
|
|
|
#type = shared |
|
|
|
#separator = / |
|
|
|
|
|
|
|
# Mailboxes are visible under "shared/user@domain/" |
|
|
|
# %%n, %%d and %%u are expanded to the destination user. |
|
|
|
#prefix = shared/%%u/ |
|
|
|
|
|
|
|
# Mail location for other users' mailboxes. Note that %variables and ~/ |
|
|
|
# expands to the logged in user's data. %%n, %%d, %%u and %%h expand to the |
|
|
|
# destination user's data. |
|
|
|
#location = maildir:%%h/Maildir:INDEX=~/Maildir/shared/%%u |
|
|
|
|
|
|
|
# Use the default namespace for saving subscriptions. |
|
|
|
#subscriptions = no |
|
|
|
|
|
|
|
# List the shared/ namespace only if there are visible shared mailboxes. |
|
|
|
#list = children |
|
|
|
#} |
|
|
|
# Should shared INBOX be visible as "shared/user" or "shared/user/INBOX"? |
|
|
|
#mail_shared_explicit_inbox = no |
|
|
|
|
|
|
|
# System user and group used to access mails. If you use multiple, userdb |
|
|
|
# can override these by returning uid or gid fields. You can use either numbers |
|
|
|
# or names. <doc/wiki/UserIds.txt> |
|
|
|
#mail_uid = |
|
|
|
#mail_gid = |
|
|
|
|
|
|
|
# Group to enable temporarily for privileged operations. Currently this is |
|
|
|
# used only with INBOX when either its initial creation or dotlocking fails. |
|
|
|
# Typically this is set to "mail" to give access to /var/mail. |
|
|
|
#mail_privileged_group = |
|
|
|
|
|
|
|
# Grant access to these supplementary groups for mail processes. Typically |
|
|
|
# these are used to set up access to shared mailboxes. Note that it may be |
|
|
|
# dangerous to set these if users can create symlinks (e.g. if "mail" group is |
|
|
|
# set here, ln -s /var/mail ~/mail/var could allow a user to delete others' |
|
|
|
# mailboxes, or ln -s /secret/shared/box ~/mail/mybox would allow reading it). |
|
|
|
#mail_access_groups = |
|
|
|
|
|
|
|
# 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 = no |
|
|
|
|
|
|
|
# Dictionary for key=value mailbox attributes. This is used for example by |
|
|
|
# URLAUTH and METADATA extensions. |
|
|
|
#mail_attribute_dict = |
|
|
|
|
|
|
|
# A comment or note that is associated with the server. This value is |
|
|
|
# accessible for authenticated users through the IMAP METADATA server |
|
|
|
# entry "/shared/comment". |
|
|
|
#mail_server_comment = "" |
|
|
|
|
|
|
|
# Indicates a method for contacting the server administrator. According to |
|
|
|
# RFC 5464, this value MUST be a URI (e.g., a mailto: or tel: URL), but that |
|
|
|
# is currently not enforced. Use for example mailto:admin@example.com. This |
|
|
|
# value is accessible for authenticated users through the IMAP METADATA server |
|
|
|
# entry "/shared/admin". |
|
|
|
#mail_server_admin = |
|
|
|
|
|
|
|
## |
|
|
|
## Mail processes |
|
|
|
## |
|
|
|
|
|
|
|
# Don't use mmap() at all. This is required if you store indexes to shared |
|
|
|
# filesystems (NFS or clustered filesystem). |
|
|
|
#mmap_disable = no |
|
|
|
|
|
|
|
# Rely on O_EXCL to work when creating dotlock files. NFS supports O_EXCL |
|
|
|
# since version 3, so this should be safe to use nowadays by default. |
|
|
|
#dotlock_use_excl = yes |
|
|
|
|
|
|
|
# When to use fsync() or fdatasync() calls: |
|
|
|
# optimized (default): Whenever necessary to avoid losing important data |
|
|
|
# always: Useful with e.g. NFS when write()s are delayed |
|
|
|
# never: Never use it (best performance, but crashes can lose data) |
|
|
|
#mail_fsync = optimized |
|
|
|
|
|
|
|
# Locking method for index files. Alternatives are fcntl, flock and dotlock. |
|
|
|
# Dotlocking uses some tricks which may create more disk I/O than other locking |
|
|
|
# methods. NFS users: flock doesn't work, remember to change mmap_disable. |
|
|
|
#lock_method = fcntl |
|
|
|
|
|
|
|
# Directory in which LDA/LMTP temporarily stores incoming mails >128 kB. |
|
|
|
#mail_temp_dir = /tmp |
|
|
|
|
|
|
|
# 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 |
|
|
|
|
|
|
|
# Maximum allowed length for mail keyword name. It's only forced when trying |
|
|
|
# to create new keywords. |
|
|
|
#mail_max_keyword_length = 50 |
|
|
|
|
|
|
|
# ':' 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, mail_chroot or auth chroot |
|
|
|
# settings. If this setting is empty, "/./" in home dirs are ignored. |
|
|
|
# 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. <doc/wiki/Chrooting.txt> |
|
|
|
#valid_chroot_dirs = |
|
|
|
|
|
|
|
# Default chroot directory for mail processes. This can be overridden for |
|
|
|
# specific users in user database by giving /./ in user's home directory |
|
|
|
# (eg. /home/./user chroots into /home). Note that usually there is no real |
|
|
|
# need to do chrooting, Dovecot doesn't allow users to access files outside |
|
|
|
# their mail directory anyway. If your home directories are prefixed with |
|
|
|
# the chroot directory, append "/." to mail_chroot. <doc/wiki/Chrooting.txt> |
|
|
|
#mail_chroot = |
|
|
|
|
|
|
|
# UNIX socket path to master authentication server to find users. |
|
|
|
# This is used by imap (for shared users) and lda. |
|
|
|
#auth_socket_path = /var/run/dovecot/auth-userdb |
|
|
|
|
|
|
|
# Directory where to look up mail plugins. |
|
|
|
#mail_plugin_dir = /usr/lib/dovecot/modules |
|
|
|
|
|
|
|
# Space separated list of plugins to load for all services. Plugins specific to |
|
|
|
# IMAP, LDA, etc. are added to this list in their own .conf files. |
|
|
|
#mail_plugins = |
|
|
|
|
|
|
|
## |
|
|
|
## Mailbox handling optimizations |
|
|
|
## |
|
|
|
|
|
|
|
# Mailbox list indexes can be used to optimize IMAP STATUS commands. They are |
|
|
|
# also required for IMAP NOTIFY extension to be enabled. |
|
|
|
#mailbox_list_index = no |
|
|
|
|
|
|
|
# The minimum number of mails in a mailbox before updates are done to cache |
|
|
|
# file. This allows optimizing Dovecot's behavior to do less disk writes at |
|
|
|
# the cost of more disk reads. |
|
|
|
#mail_cache_min_mail_count = 0 |
|
|
|
|
|
|
|
# When IDLE command is running, mailbox is checked once in a while to see if |
|
|
|
# there are any new mails or other changes. This setting defines the minimum |
|
|
|
# time to wait between those checks. Dovecot can also use inotify and |
|
|
|
# kqueue to find out immediately when changes occur. |
|
|
|
#mailbox_idle_check_interval = 30 secs |
|
|
|
|
|
|
|
# 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. |
|
|
|
# Also note that if other software reads the mboxes/maildirs, they may handle |
|
|
|
# the extra CRs wrong and cause problems. |
|
|
|
#mail_save_crlf = no |
|
|
|
|
|
|
|
# Max number of mails to keep open and prefetch to memory. This only works with |
|
|
|
# some mailbox formats and/or operating systems. |
|
|
|
#mail_prefetch_count = 0 |
|
|
|
|
|
|
|
# How often to scan for stale temporary files and delete them (0 = never). |
|
|
|
# These should exist only after Dovecot dies in the middle of saving mails. |
|
|
|
#mail_temp_scan_interval = 1w |
|
|
|
|
|
|
|
## |
|
|
|
## Maildir-specific settings |
|
|
|
## |
|
|
|
|
|
|
|
# By default LIST command returns all entries in maildir beginning with a dot. |
|
|
|
# Enabling this option makes Dovecot return only entries which are directories. |
|
|
|
# This is done by stat()ing each entry, so it causes more disk I/O. |
|
|
|
# (For systems setting struct dirent->d_type, this check is free and it's |
|
|
|
# done always regardless of this setting) |
|
|
|
#maildir_stat_dirs = no |
|
|
|
|
|
|
|
# When copying a message, do it with hard links whenever possible. This makes |
|
|
|
# the performance much better, and it's unlikely to have any side effects. |
|
|
|
#maildir_copy_with_hardlinks = yes |
|
|
|
|
|
|
|
# Assume Dovecot is the only MUA accessing Maildir: Scan cur/ directory only |
|
|
|
# when its mtime changes unexpectedly or when we can't find the mail otherwise. |
|
|
|
#maildir_very_dirty_syncs = no |
|
|
|
|
|
|
|
# If enabled, Dovecot doesn't use the S=<size> in the Maildir filenames for |
|
|
|
# getting the mail's physical size, except when recalculating Maildir++ quota. |
|
|
|
# This can be useful in systems where a lot of the Maildir filenames have a |
|
|
|
# broken size. The performance hit for enabling this is very small. |
|
|
|
#maildir_broken_filename_sizes = no |
|
|
|
|
|
|
|
# Always move mails from new/ directory to cur/, even when the \Recent flags |
|
|
|
# aren't being reset. |
|
|
|
#maildir_empty_new = no |
|
|
|
|
|
|
|
## |
|
|
|
## mbox-specific settings |
|
|
|
## |
|
|
|
|
|
|
|
# Which locking methods to use for locking mbox. There are four 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. |
|
|
|
# dotlock_try: Same as dotlock, but if it fails because of permissions or |
|
|
|
# because there isn't enough disk space, just skip it. |
|
|
|
# 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. |
|
|
|
# lockf : May not exist in all systems. Doesn't work with NFS. |
|
|
|
# |
|
|
|
# You can use multiple locking methods; if you do the order they're declared |
|
|
|
# in is important to avoid deadlocks if other MTAs/MUAs are using multiple |
|
|
|
# locking methods as well. Some operating systems don't allow using some of |
|
|
|
# them simultaneously. |
|
|
|
# |
|
|
|
# The Debian value for mbox_write_locks differs from upstream Dovecot. It is |
|
|
|
# changed to be compliant with Debian Policy (section 11.6) for NFS safety. |
|
|
|
# Dovecot: mbox_write_locks = dotlock fcntl |
|
|
|
# Debian: mbox_write_locks = fcntl dotlock |
|
|
|
# |
|
|
|
#mbox_read_locks = fcntl |
|
|
|
#mbox_write_locks = fcntl dotlock |
|
|
|
|
|
|
|
# Maximum time to wait for lock (all of them) before aborting. |
|
|
|
#mbox_lock_timeout = 5 mins |
|
|
|
|
|
|
|
# If dotlock exists but the mailbox isn't modified in any way, override the |
|
|
|
# lock file after this much time. |
|
|
|
#mbox_dotlock_change_timeout = 2 mins |
|
|
|
|
|
|
|
# When mbox changes unexpectedly we have to fully read it to find out what |
|
|
|
# changed. If the mbox is large this can take a long time. Since the change |
|
|
|
# is usually just a newly appended mail, it'd be faster to simply read the |
|
|
|
# new mails. If this setting is enabled, Dovecot does this but still safely |
|
|
|
# fallbacks to re-reading the whole mbox file whenever something in mbox isn't |
|
|
|
# how it's expected to be. The only real downside to this setting is that if |
|
|
|
# some other MUA changes message flags, Dovecot doesn't notice it immediately. |
|
|
|
# Note that a full sync is done with SELECT, EXAMINE, EXPUNGE and CHECK |
|
|
|
# commands. |
|
|
|
#mbox_dirty_syncs = yes |
|
|
|
|
|
|
|
# Like mbox_dirty_syncs, but don't do full syncs even with SELECT, EXAMINE, |
|
|
|
# EXPUNGE or CHECK commands. If this is set, mbox_dirty_syncs is ignored. |
|
|
|
#mbox_very_dirty_syncs = no |
|
|
|
|
|
|
|
# Delay writing mbox headers until doing a full write sync (EXPUNGE and CHECK |
|
|
|
# commands and when closing the mailbox). This is especially useful for POP3 |
|
|
|
# where clients often delete all mails. The downside is that our changes |
|
|
|
# aren't immediately visible to other MUAs. |
|
|
|
#mbox_lazy_writes = yes |
|
|
|
|
|
|
|
# If mbox size is smaller than this (e.g. 100k), don't write index files. |
|
|
|
# If an index file already exists it's still read, just not updated. |
|
|
|
#mbox_min_index_size = 0 |
|
|
|
|
|
|
|
# Mail header selection algorithm to use for MD5 POP3 UIDLs when |
|
|
|
# pop3_uidl_format=%m. For backwards compatibility we use apop3d inspired |
|
|
|
# algorithm, but it fails if the first Received: header isn't unique in all |
|
|
|
# mails. An alternative algorithm is "all" that selects all headers. |
|
|
|
#mbox_md5 = apop3d |
|
|
|
|
|
|
|
## |
|
|
|
## mdbox-specific settings |
|
|
|
## |
|
|
|
|
|
|
|
# Maximum dbox file size until it's rotated. |
|
|
|
#mdbox_rotate_size = 2M |
|
|
|
|
|
|
|
# Maximum dbox file age until it's rotated. Typically in days. Day begins |
|
|
|
# from midnight, so 1d = today, 2d = yesterday, etc. 0 = check disabled. |
|
|
|
#mdbox_rotate_interval = 0 |
|
|
|
|
|
|
|
# When creating new mdbox files, immediately preallocate their size to |
|
|
|
# mdbox_rotate_size. This setting currently works only in Linux with some |
|
|
|
# filesystems (ext4, xfs). |
|
|
|
#mdbox_preallocate_space = no |
|
|
|
|
|
|
|
## |
|
|
|
## Mail attachments |
|
|
|
## |
|
|
|
|
|
|
|
# sdbox and mdbox support saving mail attachments to external files, which |
|
|
|
# also allows single instance storage for them. Other backends don't support |
|
|
|
# this for now. |
|
|
|
|
|
|
|
# Directory root where to store mail attachments. Disabled, if empty. |
|
|
|
#mail_attachment_dir = |
|
|
|
|
|
|
|
# Attachments smaller than this aren't saved externally. It's also possible to |
|
|
|
# write a plugin to disable saving specific attachments externally. |
|
|
|
#mail_attachment_min_size = 128k |
|
|
|
|
|
|
|
# Filesystem backend to use for saving attachments: |
|
|
|
# posix : No SiS done by Dovecot (but this might help FS's own deduplication) |
|
|
|
# sis posix : SiS with immediate byte-by-byte comparison during saving |
|
|
|
# sis-queue posix : SiS with delayed comparison and deduplication |
|
|
|
#mail_attachment_fs = sis posix |
|
|
|
|
|
|
|
# Hash format to use in attachment filenames. You can add any text and |
|
|
|
# variables: %{md4}, %{md5}, %{sha1}, %{sha256}, %{sha512}, %{size}. |
|
|
|
# Variables can be truncated, e.g. %{sha256:80} returns only first 80 bits |
|
|
|
#mail_attachment_hash = %{sha1} |
