<?xml version="1.0" encoding="UTF-8"?>
<!--
  ~ Licensed to the Apache Software Foundation (ASF) under one or more
  ~ contributor license agreements.  See the NOTICE file distributed with
  ~ this work for additional information regarding copyright ownership.
  ~ The ASF licenses this file to you under the Apache License, Version 2.0
  ~ (the "License"); you may not use this file except in compliance with
  ~ the License.  You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  -->
<Configuration xmlns="https://logging.apache.org/xml/ns"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="
                   https://logging.apache.org/xml/ns
                   https://logging.apache.org/xml/ns/log4j-config-2.xsd">
  <Appenders>
    <!-- tag::appender[] -->
    <SMTP name="SMTP"
          smtpProtocol="smtps"
          smtpHost="mx.example.org"
          from="app@example.org"
          to="root@example.org"
          subject="[%markerSimpleName] Security incident on ${hostName}"> <!--1-->
      <MarkerFilter marker="AUDIT"/> <!--2-->
      <HtmlLayout/>
      <Ssl>
        <KeyStore location="keystore.p12"
                  password="${env:KEYSTORE_PASSWORD}"/>
        <TrustStore location="truststore.p12"
                    password="${env:TRUSTSTORE_PASSWORD}"/>
      </Ssl>
    </SMTP>
    <!-- end::appender[] -->
  </Appenders>
  <Loggers>
    <Root level="INFO">
      <AppenderRef ref="SMTP"/>
    </Root>
  </Loggers>
</Configuration>
