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Move vmail volume

If you want to use another folder for the vmail-volume, you can create an docker-compose.override.yml file and add:

version: '2.1'
volumes:
  vmail-vol-1:
    driver_opts:
      type: none
      device: /data/mailcow/vmail
      o: bind

Moving an existing vmail folder:

• Locate the current vmail folder by its "Mountpoint" attribute: docker volume inspect mailcowdockerized_vmail-vol-1
• Copy the _data folder to the new folder using cp -a, rsync -a or a similar non strcuture breaking copy command
• Stop mailcow by executing docker-compose down from within your mailcow root folder (e.g. "/opt/mailcow-dockerized")
• Create the file docker-compose.override.yml
• Delete the current vmail folder: docker volume rm mailcowdockerized_vmail-vol-1
• Start mailcow by executing docker-compose up -d from within your mailcow root folder (e.g. "/opt/mailcow-dockerized")