update-exim4.conf
configuration for the Exim MTA (v4)
RUN apt-get update && \
apt-get install -y exim4-config
RUN apt-get update && \
apt-get install -y exim4-config
RUN apt-get update && \
apt-get install -y exim4-config
RUN apt-get update && \
apt-get install -y exim4-config