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smtprelay: add smtps listener

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Steffen Lange 2026-04-10 11:44:57 +00:00
parent 5d1e1f0546
commit 25531ec8dc
3 changed files with 17 additions and 11 deletions
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26
smtprelay/Dockerfile
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@ -1,13 +1,17 @@
FROM alpine
RUN apk --update --no-cache add shadow opensmtpd opensmtpd-filter-dkimsign && \
install -dm 711 /var/spool/smtpd && \
groupmod -g 601 smtpd && \
groupmod -g 602 smtpq && \
groupmod -g 603 dkimsign && \
usermod -u 601 -g smtpd smtpd && \
usermod -u 602 -g smtpq smtpq && \
usermod -u 603 -g dkimsign dkimsign && \
chgrp smtpq /usr/sbin/smtpctl && \
chmod g+s /usr/sbin/smtpctl && \
RUN set -eux; \
apk --update --no-cache add shadow opensmtpd opensmtpd-filter-dkimsign; \
install -dm 711 /var/spool/smtpd; \
groupmod -g 601 smtpd; \
groupmod -g 602 smtpq; \
groupmod -g 603 dkimsign; \
usermod -u 601 -g smtpd smtpd; \
usermod -u 602 -g smtpq smtpq; \
usermod -u 603 -g dkimsign dkimsign; \
chgrp smtpq /usr/sbin/smtpctl; \
chmod g+s /usr/sbin/smtpctl; \
apk del shadow
ENTRYPOINT ["smtpd", "-d"]
EXPOSE 25
EXPOSE 465
EXPOSE 587
CMD ["smtpd", "-d"]