smtp/Dockerfile

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# NAME leenooks/smtp
# VERSION latest
FROM debian:stretch-slim
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RUN apt-get update \
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&& apt-get install sendmail sasl2-bin milter-greylist -yyq \
&& cd /etc/mail && make clean \
&& rm -rf /var/lib/apt/lists/* /tmp/*
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RUN useradd -rc "HUB Mail Relay" -M relay -NG mail -s /sbin/nologin && echo relay:SmTpR3l@Y | chpasswd
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EXPOSE 25
COPY init /sbin/
# Starting
ENTRYPOINT [ "/sbin/init" ]
CMD [ "start" ]