mauro/docker-image-postfix
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add spam filter
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This commit is contained in:
Mauro Torrez 2020-02-04 18:47:19 -03:00
parent 77b16e447a
commit 89c46f58bd
3 changed files with 22 additions and 2 deletions
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7
Dockerfile
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@ -60,6 +60,7 @@ RUN echo "_dev_null: /dev/null" > /etc/aliases \
libsasl2-modules \ libsasl2-modules \
ssl-cert \ ssl-cert \
ca-certificates \ ca-certificates \
bogofilter-sqlite \
&& rm -rf /var/lib/apt/lists/* \ && rm -rf /var/lib/apt/lists/* \
&& cp /usr/share/postfix/main.cf.debian /etc/postfix/main.cf \ && cp /usr/share/postfix/main.cf.debian /etc/postfix/main.cf \
&& mkdir -p /etc/postfix/rules \ && mkdir -p /etc/postfix/rules \
@ -71,6 +72,8 @@ RUN echo "_dev_null: /dev/null" > /etc/aliases \
/etc/postfix/rules/postscreen_dnsbl_mask.pcre \ /etc/postfix/rules/postscreen_dnsbl_mask.pcre \
&& mkdir -p /ssl \ && mkdir -p /ssl \
&& chmod 700 /ssl \ && chmod 700 /ssl \
&& groupadd -g 5000 vmail && useradd -g vmail -u 5000 vmail -d /vmail \
&& mkdir -p /vmail/bogofilter && chown vmail:vmail /vmail
&& cp /etc/ssl/certs/ssl-cert-snakeoil.pem /ssl/cert.pem \ && cp /etc/ssl/certs/ssl-cert-snakeoil.pem /ssl/cert.pem \
&& cp /etc/ssl/private/ssl-cert-snakeoil.key /ssl/key.pem \ && cp /etc/ssl/private/ssl-cert-snakeoil.key /ssl/key.pem \
&& postconf -F \ && postconf -F \
@ -96,9 +99,9 @@ RUN echo "_dev_null: /dev/null" > /etc/aliases \
scache/unix/chroot=n scache/unix/chroot=n
ADD confd /etc/confd/ ADD confd /etc/confd/
ADD postmap_all /usr/local/bin/ ADD postmap_all spamfilter /usr/local/bin/
VOLUME ["/etc/postfix","/ssl","/var/spool/postfix"] VOLUME ["/ssl","/var/spool/postfix"]
EXPOSE 25/tcp 587/tcp EXPOSE 25/tcp 587/tcp
CMD ["postfix","start-fg"] CMD ["postfix","start-fg"]

11
confd/templates/setup_main.tmpl
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@ -57,3 +57,14 @@ postconf maillog_file=/dev/stdout
{{ with getv "/message/size/limit" }}postconf message_size_limit='{{.}}'{{ end }} {{ with getv "/message/size/limit" }}postconf message_size_limit='{{.}}'{{ end }}
{{ with getv "/smtpd/helo/required" }}postconf smtpd_helo_required='{{.}}'{{ end }} {{ with getv "/smtpd/helo/required" }}postconf smtpd_helo_required='{{.}}'{{ end }}
{{ with getv "/biff" }}postconf biff='{{.}}'{{ end }} {{ with getv "/biff" }}postconf biff='{{.}}'{{ end }}
postconf -M spamfilter/unix | grep -q spamfilter || {
postconf -M spamfilter/unix="spamfilter unix - n n - - pipe"
}
postconf -F spamfilter/unix/private=- \
spamfilter/unix/unprivileged=n \
spamfilter/unix/chroot=n \
spamfilter/unix/wakeup=- \
spamfilter/unix/process_limit=- \
spamfilter/unix/command='pipe flags=Rq user=vmail argv=/usr/local/bin/spamfilter -oi -f ${sender} ${recipient}'
postconf -P smtp/inet/content_filter=spamfilter

6
spamfilter Executable file
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@ -0,0 +1,6 @@
#!/bin/bash
# pass mail through spam filter Bogofilter
# arguments are passed on to sendmail
/usr/bin/bogofilter -p | /usr/sbin/sendmail "$@"