root@fastmail:/etc/dovecot# doveconf -n
# 2.3.4.1 (f79e8e7e4): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.5.4 ()
# OS: Linux 5.2.0 x86_64 Debian buster/sid
# Hostname: fastmail
auth_mechanisms = plain login
default_client_limit = 10000
default_process_limit = 300
default_vsz_limit = 512 M
dict {
  sqlquota = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext
}
disable_plaintext_auth = no
imap_idle_notify_interval = 1 mins
imapc_max_idle_time = 1 days
listen = *
login_greeting = Decimal - Informatica e Gestao, Lda
mail_home = /home/mail/%d/%u/Maildir
mail_location = maildir:~/Maildir
mail_plugins = quota
mail_privileged_group = mail
managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext vacation-seconds editheader imapflags notify
namespace inbox {
  inbox = yes
  location =
  mailbox Drafts {
    auto = subscribe
    special_use = \Drafts
  }
  mailbox Junk {
    auto = subscribe
    special_use = \Junk
  }
  mailbox Sent {
    auto = subscribe
    special_use = \Sent
  }
  mailbox Trash {
    auto = subscribe
    special_use = \Trash
  }
  prefix =
}
passdb {
  args = /etc/dovecot/dovecot-sql.conf.ext
  driver = sql
}
plugin {
  quota = dict:User Quota::proxy::sqlquota
  quota_exceeded_message = Quota exceeded (mailbox for user is full) / Conta de destino cheia (o email de destino tem a caixa cheia)
  quota_rule = *:storage=100M
  sieve = ~/.dovecot.sieve
  sieve_dir = ~/sieve
  sieve_extensions = +notify +imapflags +vacation-seconds +editheader
  sieve_max_actions = 1024
  sieve_max_redirects = 1024
  sieve_max_script_size = 32M
}
postmaster_address = trash@decimal.pt
protocols = imap lmtp pop3 sieve
service dict {
  unix_listener dict {
    mode = 0777
  }
}
service imap {
  process_limit = 1024
}
service lmtp {
  inet_listener lmtp {
    address = 0.0.0.0
    port = 24
  }
  process_min_avail = 10
  unix_listener /var/spool/postfix/private/dovecot-lmtp {
    group = postfix
    mode = 0666
    user = postfix
  }
}
service pop3-login {
  inet_listener pop3 {
    port = 110
  }
}
service pop3 {
  process_limit = 1024
}
ssl = no
ssl_cert = </etc/dovecot/dovecot.pem
ssl_key = # hidden, use -P to show it
userdb {
  args = /etc/dovecot/dovecot-sql.conf.ext
  driver = sql
}
protocol lmtp {
  mail_plugins = quota sieve
}
protocol imap {
  mail_max_userip_connections = 50
  mail_plugins = quota imap_quota last_login
}
protocol pop3 {
  mail_max_userip_connections = 50
  mail_plugins = quota last_login
}
root@fastmail:/etc/dovecot#