anchor.diff:  ENV IREDMAIL_VERSION 0.9.2
   
   # TODO: Replace hostname
  -ENV HOSTNAME mx
  +ENV HOSTNAME mx.phoneyou.net
   ENV DOCKER_LDAP_DN dc=phoneyou,dc=net
   
   # Local sources (for speed-up)
  
positive.code:   && cp ./tools/* /opt/itools \
    && mkdir -p /var/vmail/backup \
    && mv ./backup.sh /var/vmail/backup \
    && sed -i 's/dc=phoneyou,dc=net/'"$DOCKER_LDAP_DN"'/' \
      /opt/itools/create_mail_user_OpenLDAP.py
  
  # Fake `uname` and `hostname`
  
negative.code: 
  # Encrypy iRedMail.tips
  # TODO: Replace tips password (random)
  #RUN echo 'YWYxNWY5NTMwZjVmNmNhOTNmZDY1Zj' | \
  #    openssl enc -in /opt/iredmail/iRedMail.tips -out /opt/iRedMail.tips.enc \
  #    -e -aes256 -pass stdin
  
  # Schedule backup script
  RUN (crontab -l 2>/dev/null; \
  