dovecot_config_version = 2.4.1
dovecot_storage_version = 2.4.0

base_dir = /run/dovecot
state_dir = /run/dovecot

protocols = imap submission lmtp lda sieve

mail_driver=maildir
mailbox_list_layout=index
mailbox_list_utf8=yes
mail_path=~/mail
mail_home=/data/vmail/%{user | domain}/%{user | username}
mail_utf8_extensions = yes

mail_uid = vmail
mail_gid = vmail

# Setup default mailboxes for inbox namespace
@mailbox_defaults = english

namespace inbox {
  separator = /

  mailbox Drafts {
    auto = subscribe
    special_use = \Drafts
  }
  mailbox Junk {
    auto = subscribe
    special_use = \Junk
  }
  mailbox Trash {
    auto = subscribe
    special_use = \Trash
  }

  mailbox Sent {
    auto = subscribe
    special_use = \Sent
  }

  mailbox Archive {
   auto = subscribe
   special_use = \Archive
  }
}

ssl = yes
ssl_server {
  cert_file = /etc/dovecot/ssl/tls.crt
  key_file = /etc/dovecot/ssl/tls.key
}

mail_attribute {
  dict file {
    path = %{home}/dovecot-attributes
  }
}

log_path = /dev/stdout

imap_hibernate_timeout = 5s

mail_plugins {
  fts = yes
  fts_flatcurve = yes
  mail_log = yes
  notify = yes
}

mail_log_events = delete undelete expunge save copy mailbox_create mailbox_delete mailbox_rename flag_change

fts_autoindex = yes
fts_autoindex_max_recent_msgs = 999
fts_search_add_missing = yes
language_filters = normalizer-icu snowball stopwords

language_tokenizers = generic email-address
language_tokenizer_generic_algorithm = simple

language en {
  default = yes
  filters = lowercase snowball english-possessive stopwords
}

fts flatcurve {
  substring_search = yes
}

auth_mechanisms = plain login
auth_username_format = %{user | username}

passdb passwd-file {
  passwd_file_path = /data/userdb
  default_password_scheme = SHA512-CRYPT
}

userdb passwd-file {
  passwd_file_path = /data/userdb
  fields {
    uid:default = vmail
    gid:default = vmail
    home:default = /data/vmail/%{user | domain}/%{user | username}
  }
}

protocol imap {
  mail_plugins {
    imap_sieve = yes
    imap_filter_sieve = yes
  }
}

protocol lmtp {
  mail_plugins {
    sieve = yes
  }
}

service imap-login {
  process_min_avail = 1
  client_limit = 100
}

service pop3-login {
  process_min_avail = 1
  client_limit = 100
}

service submission-login {
  process_min_avail = 1
  client_limit = 100

  inet_listener submissions {
    port = 465
    ssl = yes
  }
}

protocol lda {
  mail_plugins {
    sieve = yes
  }
}

service managesieve-login {
  process_min_avail = 1
  client_limit = 100
}

plugin {
  sieve = ~/.dovecot.sieve
  sieve_dir = ~/sieve

  # Directory for :global include scripts for the include extension.
  #sieve_global_dir =

  sieve_before = /data/sieve/global/before/
  sieve_after = /data/sieve/global/after/

  sieve_extensions = +notify +imapflags +special-use +vnd.dovecot.pipe +vnd.dovecot.filter
  sieve_plugins = sieve_imapsieve sieve_extprograms
}

event_exporter log {
   format = json
   time_format = rfc3339
}

# Add default backend metrics
@metric_defaults = backend

# Log auth failures
metric auth_failures {
  filter = event=auth_request_finished AND NOT success=yes
  exporter = log
}

metric imap_command {
  filter = event=imap_command_finished
  group_by cmd_name {
    method discrete {
    }
  }
  group_by tagged_reply_state {
    method discrete {
    }
  }
}

metric smtp_command {
  filter = event=smtp_server_command_finished and protocol=submission
  group_by cmd_name {
     method discrete {
    }
  }
  group_by status_code {
     method discrete {
    }
  }
  group_by duration {
     method exponential {
       base = 10
       min_magnitude = 1
       max_magnitude = 5
    }
  }
}

metric lmtp_command {
  filter = event=smtp_server_command_finished and protocol=lmtp
  group_by cmd_name {
     method discrete {
    }
  }
  group_by status_code {
     method discrete {
    }
  }
  group_by duration {
     method exponential {
       base = 10
       min_magnitude = 1
       max_magnitude = 5
    }
  }
}

# Add duration metrics for deliveries
metric mail_deliveries {
  filter = event=mail_delivery_finished
  group_by duration {
     method exponential {
       base = 10
       min_magnitude = 1
       max_magnitude = 5
     }
  }
}

!include_try vendor.d/*.conf
!include_try conf.d/*.conf