34 lines
936 B
Docker
34 lines
936 B
Docker
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FROM debian:buster-slim
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RUN set -eux; \
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apt-get update; \
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apt-get install -y \
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exim4-daemon-light \
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tini \
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; \
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rm -rf /var/lib/apt/lists/*; \
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ln -svfT /etc/hostname /etc/mailname
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# https://blog.dhampir.no/content/exim4-line-length-in-debian-stretch-mail-delivery-failed-returning-message-to-sender
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# https://serverfault.com/a/881197
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# https://bugs.debian.org/828801
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RUN echo "IGNORE_SMTP_LINE_LENGTH_LIMIT='true'" >> /etc/exim4/exim4.conf.localmacros
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RUN set -eux; \
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mkdir -p /var/spool/exim4 /var/log/exim4; \
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chown -R Debian-exim:Debian-exim /var/spool/exim4 /var/log/exim4
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COPY set-exim4-update-conf docker-entrypoint.sh /usr/local/bin/
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RUN set -eux; \
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set-exim4-update-conf \
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dc_eximconfig_configtype 'internet' \
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dc_hide_mailname 'true' \
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dc_local_interfaces '0.0.0.0 ; ::0' \
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dc_other_hostnames '' \
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dc_relay_nets '0.0.0.0/0' \
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;
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EXPOSE 25
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ENTRYPOINT ["docker-entrypoint.sh"]
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CMD ["exim", "-bd", "-v"]
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