dockerfile.run

esmtp

user configurable relay-only MTA

Debian

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

Ubuntu

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

Arch Linux

RUN pacman -S --noconfirm esmtp

Kali Linux

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

Fedora

RUN dnf install -y esmtp

Raspbian

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

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