enable spampd

spampd/Dockerfile

@@ -0,0 +1,32 @@
+# syntax=docker.io/docker/dockerfile:1.5.2
+FROM ubuntu:20.04
+# install apt packages
+ENV TZ Europe/Berlin 
+RUN <<EOF
+apt-get update
+apt-get install -y spampd rsyslog iputils-ping
+# cleanup
+apt-get autoclean
+# rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* ~/.cache ~/.npm
+EOF
+RUN <<EOF
+sed -e's/LISTENHOST=127.0.0.1/LISTENHOST=0.0.0.0/' \
+  -e's/DESTHOST=127.0.0.1/DESTHOST=postfix/' \
+  -e's/CHILDREN=3/CHILDREN=2/' \
+  -e's|ADDOPTS=""|ADDOPTS="--homedir=/var/lib/spamassassin/.spamassassin"|' \
+  -i /etc/default/spampd
+sed -i '/imklog/s/^/#/' /etc/rsyslog.conf
+ln -sf /dev/stdout /var/log/syslog
+usermod debian-spamd -l spamd -s /bin/bash
+groupmod debian-spamd -n spamd
+mkdir /var/run/spampd
+chown spamd:spamd /var/run/spampd
+EOF
+COPY --chmod=0775 entrypoint.sh /entrypoint.sh
+EXPOSE 10025
+VOLUME /var/lib/spamassassin
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["/usr/sbin/spampd", "--nodetach", "--user=spamd", "--group=spamd", \
+  "--tagall", "--local-only", "--children=2", "--pid=/var/run/spampd/spampd.pid", \
+  "--port=10025", "--host=0.0.0.0", "--relayport=10026",  "--relayhost=postfix",  \
+  "--homedir=/var/lib/spamassassin/.spamassassin" ]