swaks
Swiss Army Knife SMTP, the all-purpose SMTP transaction tester. More information: <https://github.com/jetmore/swaks/blob/develop/doc/base.pod>.
RUN apt-get update && \
apt-get install -y swaks
RUN apt-get update && \
apt-get install -y swaks
RUN pacman -S --noconfirm swaks
RUN apt-get update && \
apt-get install -y swaks
RUN dnf install -y swaks
RUN apt-get update && \
apt-get install -y swaks