To remove mailcow: dockerized with all it's volumes, images and containers do:

docker compose down -v --rmi all --remove-orphans
docker-compose down -v --rmi all --remove-orphans


  • -v Remove named volumes declared in the volumes section of the Compose file and anonymous volumes attached to containers.
  • --rmi Remove images. Type must be one of: all: Remove all images used by any service. local: Remove only images that don't have a custom tag set by the image field.
  • --remove-orphans Remove containers for services not defined in the compose file.
  • By default docker compose down only removes currently active containers and networks defined in the docker-compose.yml.