// Proxying code from https://docker-mailserver.github.io/docker-mailserver/latest/examples/tutorials/mailserver-behind-proxy/#dms-postfix-dovecot (last infobox)
haproxy_trusted_networks=192.168.0.0/16 172.16.0.0/12 10.0.0.0/8

service imap-login {
  inet_listener imaps-proxied {
    haproxy = yes
    port = 10993
    ssl = yes
  }
}

// ...

// Example as described inside https://doc.dovecot.org/configuration_manual/stats/openmetrics/
service stats {
  inet_listener http {
    port = 9900
  }
}

metric auth_success {
  filter = (event=auth_request_finished AND success=yes)
}

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

metric smtp_command {
  filter = event=smtp_server_command_finished
  group_by = cmd_name status_code duration:exponential:1:5:10
}

metric mail_delivery {
  filter = event=mail_delivery_finished
  group_by = duration:exponential:1:5:10
}