40 lines
1.1 KiB
Docker
40 lines
1.1 KiB
Docker
FROM danielberteaud/alpine:24.3-1
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MAINTAINER Daniel Berteaud <dbd@ehtrace.com>
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# Taken from https://github.com/devture/exim-relay
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# But rebased on my custom base image
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ENV LOCAL_DOMAINS=@ \
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RELAY_FROM_HOSTS=10.0.0.0/8:172.16.0.0/12:192.168.0.0/16 \
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RELAY_TO_DOMAINS=* \
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RELAY_TO_USERS= \
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DISABLE_SENDER_VERIFICATION= \
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HOSTNAME= \
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SMARTHOST= \
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SMTP_PASSWORD= \
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SMTP_USERDOMAIN= \
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SMTP_USERNAME=
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RUN set -eux &&\
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apk --no-cache upgrade &&\
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apk --no-cache add exim tini && \
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mkdir /var/spool/exim && \
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chmod 777 /var/spool/exim && \
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ln -sf /dev/stdout /var/log/exim/mainlog && \
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ln -sf /dev/stderr /var/log/exim/panic && \
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ln -sf /dev/stderr /var/log/exim/reject && \
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chmod 0755 /usr/sbin/exim
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COPY root/ /
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# Regardless of the permissions of the original `exim.conf` file in the build context,
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# ensure that the `/etc/exim/exim.conf` configuration file is not writable by the Exim user.
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# Otherwise, we'll get an Exim panic:
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# > Exim configuration file /etc/exim/exim.conf has the wrong owner, group, or mode
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RUN chmod 664 /etc/exim/exim.conf
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USER exim
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EXPOSE 8025
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CMD ["exim", "-bdf", "-q15m"]
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