dockerfile.run

undbx

tool to extract, recover and undelete e-mail messages from .dbx files

Debian

RUN apt-get update && \
    apt-get install -y undbx

Ubuntu

RUN apt-get update && \
    apt-get install -y undbx

Kali Linux

RUN apt-get update && \
    apt-get install -y undbx

Fedora

RUN dnf install -y undbx

Raspbian

RUN apt-get update && \
    apt-get install -y undbx

click the source code to copy install undbx on any operating system with command-not-found.com