services: postfix: container_name: postfix image: docker.io/k2patel/postfix:latest ports: - "10825:25/tcp" environment: TIMEZONE: ${TIMEZONE} SMTP_SERVER: ${SMTP_SERVER} SERVER_HOSTNAME: ${SERVER_HOSTNAME} SMTP_PORT: ${SMTP_PORT} DOMAIN: ${DOMAIN} SMTP_USERNAME: ${SMTP_USERNAME} SMTP_PASSWORD: ${SMTP_PASSWORD} volumes: - "${DATA_FOLDER}/logs:/var/log" - "${DATA_FOLDER}/mail:/var/mail" - "${DATA_FOLDER}/spool:/var/spool/postfix" restart: unless-stopped