files/dovecot/10-master.conf

   1 #default_process_limit = 100
   2 #default_client_limit = 1000
   3
   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
   6 # everything.
   7 #default_vsz_limit = 256M
   8
   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
  12
  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
  16
  17 service imap-login {
  18   inet_listener imap {
  19     #port = 143
  20   }
  21   inet_listener imaps {
  22     #port = 993
  23     #ssl = yes
  24   }
  25
  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>
  29   #service_count = 1
  30
  31   # Number of processes to always keep waiting for more connections.
  32   #process_min_avail = 0
  33
  34   # If you set service_count=0, you probably need to grow this.
  35   #vsz_limit = $default_vsz_limit
  36 }
  37
  38 service pop3-login {
  39   inet_listener pop3 {
  40     #port = 110
  41   }
  42   inet_listener pop3s {
  43     #port = 995
  44     #ssl = yes
  45   }
  46 }
  47
  48 service lmtp {
  49   unix_listener lmtp {
  50     #mode = 0666
  51   }
  52
  53   # Create inet listener only if you can't use the above UNIX socket
  54   #inet_listener lmtp {
  55     # Avoid making LMTP visible for the entire internet
  56     #address =
  57     #port =
  58   #}
  59 }
  60
  61 service imap {
  62   # Most of the memory goes to mmap()ing files. You may need to increase this
  63   # limit if you have huge mailboxes.
  64   #vsz_limit = $default_vsz_limit
  65
  66   # Max. number of IMAP processes (connections)
  67   #process_limit = 1024
  68 }
  69
  70 service pop3 {
  71   # Max. number of POP3 processes (connections)
  72   #process_limit = 1024
  73 }
  74
  75 service auth {
  76   # auth_socket_path points to this userdb socket by default. It's typically
  77   # used by dovecot-lda, doveadm, possibly imap process, etc. Users that have
  78   # full permissions to this socket are able to get a list of all usernames and
  79   # get the results of everyone's userdb lookups.
  80   #
  81   # The default 0666 mode allows anyone to connect to the socket, but the
  82   # userdb lookups will succeed only if the userdb returns an "uid" field that
  83   # matches the caller process's UID. Also if caller's uid or gid matches the
  84   # socket's uid or gid the lookup succeeds. Anything else causes a failure.
  85   #
  86   # To give the caller full permissions to lookup all users, set the mode to
  87   # something else than 0666 and Dovecot lets the kernel enforce the
  88   # permissions (e.g. 0777 allows everyone full permissions).
  89   #unix_listener auth-userdb {
  90   #  #mode = 0666
  91   #  #user =
  92   #  #group =
  93   #}
  94
  95   # Postfix smtp-auth
  96   unix_listener /var/spool/postfix/private/auth {
  97     mode = 0666
  98   }
  99
 100   # Auth process is run as this user.
 101   #user = $default_internal_user
 102 }
 103
 104 service auth-worker {
 105   # Auth worker process is run as root by default, so that it can access
 106   # /etc/shadow. If this isn't necessary, the user should be changed to
 107   # $default_internal_user.
 108   #user = root
 109 }
 110
 111 service dict {
 112   # If dict proxy is used, mail processes should have access to its socket.
 113   # For example: mode=0660, group=vmail and global mail_access_groups=vmail
 114   unix_listener dict {
 115     #mode = 0600
 116     #user =
 117     #group =
 118   }
 119 }