dovecot config

# 2.1.7: /etc/dovecot/dovecot.conf
# OS: Linux 3.5.0-17-generic x86_64 Ubuntu 12.10 ext4
auth_mechanisms = plain login
dict {
  quota = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext
}
log_path = /var/log/dovecot.log
mail_gid = mail
mail_location = maildir:/var/mail/%d/%n/Maildir
mail_plugins = " quota"
mail_uid = vmail
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 ihave
passdb {
  args = /etc/dovecot/dovecot-sql.conf.ext
  driver = sql
}
plugin {
  quota = maildir:User quota
  sieve = /var/mail/%d/%n/.dovecot.sieve
  sieve_dir = /var/mail/%d/%n/sieve
}
protocols = imap pop3 sieve
service auth-worker {
  user = $default_internal_user
}
service auth {
  unix_listener /var/spool/postfix/private/auth {
    group = postfix
    mode = 0600
    user = postfix
  }
  unix_listener /var/spool/postfix/private/dovecot-auth {
    group = postfix
    mode = 0660
    user = postfix
  }
  unix_listener auth-userdb {
    group = mail
    mode = 0660
    user = vmail
  }
}
service dict {
  unix_listener dict {
    group = mail
    user = vmail
  }
}
service imap-login {
  inet_listener imaps {
    port = 993
    ssl = yes
  }
}
service lmtp {
  unix_listener /var/spool/postfix/private/dovecot-lmtp {
    group = postfix
    mode = 0666
    user = postfix
  }
  user = vmail
}
service managesieve-login {
  inet_listener sieve {
    port = 4190
  }
  inet_listener sieve_deprecated {
    port = 2000
  }
}
service pop3-login {
  inet_listener pop3s {
    port = 995
    ssl = yes
  }
}
ssl_ca = </etc/ssl/certs/PositiveSSL.ca-bundle
ssl_cert = </etc/ssl/certs/******.crt
ssl_cipher_list = ALL:!LOW:!SSLv2:ALL:!aNULL:!ADH:!eNULL:!EXP:RC4+RSA:+HIGH:+MEDIUM
ssl_key = </etc/ssl/private/*******.key
userdb {
  args = /etc/dovecot/dovecot-sql.conf.ext
  driver = sql
}
verbose_proctitle = yes
protocol imap {
  imap_client_workarounds = delay-newmail
  mail_max_userip_connections = 10
  mail_plugins = " quota imap_quota"
}
protocol pop3 {
  mail_max_userip_connections = 10
  pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
}
protocol lda {
  deliver_log_format = msgid=%m: %$
  mail_plugins = sieve quota
  postmaster_address = postmaster
  quota_full_tempfail = yes
  rejection_reason = Your message to <%t> was automatically rejected:%n%r
}
protocol lmtp {
  mail_plugins = " quota sieve quota"
}