mb2md
Convert Mbox mailboxes to Maildir format
RUN apt-get update && \
apt-get install -y mb2md
RUN apt-get update && \
apt-get install -y mb2md
RUN pacman -S --noconfirm mb2md
RUN apt-get update && \
apt-get install -y mb2md
RUN dnf install -y mb2md
RUN apt-get update && \
apt-get install -y mb2md