1 #default_process_limit = 100
2 #default_client_limit = 1000
4 # Default VSZ (virtual memory size) limit for service processes. This is mainly
5 # intended to catch and kill processes that leak memory before they eat up
7 #default_vsz_limit = 256M
9 # Login user is internally used by login processes. This is the most untrusted
10 # user in Dovecot system. It shouldn't have access to anything at all.
11 #default_login_user = dovenull
13 # Internal user is used by unprivileged processes. It should be separate from
14 # login user, so that login processes can't disturb other processes.
15 #default_internal_user = dovecot
26 # Number of connections to handle before starting a new process. Typically
27 # the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0
28 # is faster. <doc/wiki/LoginProcess.txt>
31 # Number of processes to always keep waiting for more connections.
32 #process_min_avail = 0
34 # If you set service_count=0, you probably need to grow this.
35 #vsz_limit = $default_vsz_limit
49 unix_listener /var/spool/postfix/private/dovecot-lmtp {
50 # use "lmtp:unix:private/dovecot-lmtp" as postfix transport to connect here
56 # Create inet listener only if you can't use the above UNIX socket
58 # Avoid making LMTP visible for the entire internet
65 # Most of the memory goes to mmap()ing files. You may need to increase this
66 # limit if you have huge mailboxes.
67 #vsz_limit = $default_vsz_limit
69 # Max. number of IMAP processes (connections)
74 # Max. number of POP3 processes (connections)
79 # auth_socket_path points to this userdb socket by default. It's typically
80 # used by dovecot-lda, doveadm, possibly imap process, etc. Users that have
81 # full permissions to this socket are able to get a list of all usernames and
82 # get the results of everyone's userdb lookups.
84 # The default 0666 mode allows anyone to connect to the socket, but the
85 # userdb lookups will succeed only if the userdb returns an "uid" field that
86 # matches the caller process's UID. Also if caller's uid or gid matches the
87 # socket's uid or gid the lookup succeeds. Anything else causes a failure.
89 # To give the caller full permissions to lookup all users, set the mode to
90 # something else than 0666 and Dovecot lets the kernel enforce the
91 # permissions (e.g. 0777 allows everyone full permissions).
92 unix_listener auth-userdb {
99 unix_listener /var/spool/postfix/private/auth {
105 # Auth process is run as this user.
106 #user = $default_internal_user
109 service auth-worker {
110 # Auth worker process is run as root by default, so that it can access
111 # /etc/shadow. If this isn't necessary, the user should be changed to
112 # $default_internal_user.
117 # If dict proxy is used, mail processes should have access to its socket.
118 # For example: mode=0660, group=vmail and global mail_access_groups=vmail