docker-mailserver/Dockerfile

224 lines
8.4 KiB
Docker

FROM debian:stretch-slim
MAINTAINER Thomas VIAL
ENV DEBIAN_FRONTEND noninteractive
ENV VIRUSMAILS_DELETE_DELAY=7
ENV ONE_DIR=0
ENV ENABLE_POSTGREY=0
ENV FETCHMAIL_POLL=300
ENV POSTGREY_DELAY=300
ENV POSTGREY_MAX_AGE=35
ENV POSTGREY_TEXT="Delayed by postgrey"
ENV SASLAUTHD_MECHANISMS=pam
ENV SASLAUTHD_MECH_OPTIONS=""
# Packages
RUN apt-get update -q --fix-missing && \
apt-get -y upgrade && \
apt-get -y install postfix && \
apt-get -y install --no-install-recommends \
amavisd-new \
arj \
binutils \
bzip2 \
ca-certificates \
cabextract \
clamav \
clamav-daemon \
cpio \
curl \
ed \
fail2ban \
fetchmail \
file \
gamin \
gzip \
gnupg \
iproute2 \
iptables \
locales \
liblz4-tool \
libmail-spf-perl \
libnet-dns-perl \
libsasl2-modules \
lrzip \
lzop \
netcat-openbsd \
nomarch \
opendkim \
opendkim-tools \
opendmarc \
pax \
p7zip-full \
postfix-ldap \
postfix-pcre \
postfix-policyd-spf-python \
postsrsd \
pyzor \
razor \
ripole \
rpm2cpio \
rsyslog \
sasl2-bin \
spamassassin \
supervisor \
postgrey \
unrar-free \
unzip \
xz-utils \
zoo \
&& \
curl https://packages.elasticsearch.org/GPG-KEY-elasticsearch | apt-key add - && \
echo "deb http://packages.elastic.co/beats/apt stable main" | tee -a /etc/apt/sources.list.d/beats.list && \
echo "deb http://ftp.debian.org/debian stretch-backports main" | tee -a /etc/apt/sources.list.d/stretch-bp.list && \
apt-get update -q --fix-missing && \
apt-get -y upgrade \
filebeat \
&& \
apt-get -t stretch-backports -y install --no-install-recommends \
dovecot-core \
dovecot-imapd \
dovecot-ldap \
dovecot-lmtpd \
dovecot-managesieved \
dovecot-pop3d \
dovecot-sieve \
&& \
apt-get autoclean && \
rm -rf /var/lib/apt/lists/* && \
rm -rf /usr/share/locale/* && \
rm -rf /usr/share/man/* && \
rm -rf /usr/share/doc/* && \
touch /var/log/auth.log && \
update-locale && \
rm -f /etc/cron.weekly/fstrim && \
rm -f /etc/postsrsd.secret
RUN echo "0 0,6,12,18 * * * /usr/bin/freshclam --quiet" > /etc/cron.d/freshclam && \
chmod 644 /etc/clamav/freshclam.conf && \
freshclam && \
sed -i 's/Foreground false/Foreground true/g' /etc/clamav/clamd.conf && \
sed -i 's/AllowSupplementaryGroups false/AllowSupplementaryGroups true/g' /etc/clamav/clamd.conf && \
mkdir /var/run/clamav && \
chown -R clamav:root /var/run/clamav
# Configures Dovecot
COPY target/dovecot/auth-passwdfile.inc target/dovecot/??-*.conf /etc/dovecot/conf.d/
RUN sed -i -e 's/include_try \/usr\/share\/dovecot\/protocols\.d/include_try \/etc\/dovecot\/protocols\.d/g' /etc/dovecot/dovecot.conf && \
sed -i -e 's/#mail_plugins = \$mail_plugins/mail_plugins = \$mail_plugins sieve/g' /etc/dovecot/conf.d/15-lda.conf && \
sed -i -e 's/^.*lda_mailbox_autocreate.*/lda_mailbox_autocreate = yes/g' /etc/dovecot/conf.d/15-lda.conf && \
sed -i -e 's/^.*lda_mailbox_autosubscribe.*/lda_mailbox_autosubscribe = yes/g' /etc/dovecot/conf.d/15-lda.conf && \
sed -i -e 's/^.*postmaster_address.*/postmaster_address = '${POSTMASTER_ADDRESS:="postmaster@domain.com"}'/g' /etc/dovecot/conf.d/15-lda.conf && \
sed -i 's/#imap_idle_notify_interval = 2 mins/imap_idle_notify_interval = 29 mins/' /etc/dovecot/conf.d/20-imap.conf && \
# stretch-backport of dovecot needs this folder
mkdir /etc/dovecot/ssl && \
chmod 755 /etc/dovecot/ssl && \
cd /usr/share/dovecot && \
./mkcert.sh && \
mkdir /usr/lib/dovecot/sieve-pipe && \
chmod 755 /usr/lib/dovecot/sieve-pipe && \
mkdir /usr/lib/dovecot/sieve-filter && \
chmod 755 /usr/lib/dovecot/sieve-filter
# Configures LDAP
COPY target/dovecot/dovecot-ldap.conf.ext /etc/dovecot
COPY target/postfix/ldap-users.cf target/postfix/ldap-groups.cf target/postfix/ldap-aliases.cf target/postfix/ldap-domains.cf /etc/postfix/
# Enables Spamassassin CRON updates and update hook for supervisor
RUN sed -i -r 's/^(CRON)=0/\1=1/g' /etc/default/spamassassin && \
sed -i -r 's/^\$INIT restart/supervisorctl restart amavis/g' /etc/spamassassin/sa-update-hooks.d/amavisd-new
# Enables Postgrey
COPY target/postgrey/postgrey /etc/default/postgrey
COPY target/postgrey/postgrey.init /etc/init.d/postgrey
RUN chmod 755 /etc/init.d/postgrey && \
mkdir /var/run/postgrey && \
chown postgrey:postgrey /var/run/postgrey
# Copy PostSRSd Config
COPY target/postsrsd/postsrsd /etc/default/postsrsd
# Enables Amavis
COPY target/amavis/conf.d/* /etc/amavis/conf.d/
RUN sed -i -r 's/#(@| \\%)bypass/\1bypass/g' /etc/amavis/conf.d/15-content_filter_mode && \
adduser clamav amavis && \
adduser amavis clamav && \
# no syslog user in debian compared to ubuntu
adduser --system syslog && \
useradd -u 5000 -d /home/docker -s /bin/bash -p $(echo docker | openssl passwd -1 -stdin) docker && \
(echo "0 4 * * * /usr/local/bin/virus-wiper" ; crontab -l) | crontab -
# Configure Fail2ban
COPY target/fail2ban/jail.conf /etc/fail2ban/jail.conf
COPY target/fail2ban/filter.d/dovecot.conf /etc/fail2ban/filter.d/dovecot.conf
RUN echo "ignoreregex =" >> /etc/fail2ban/filter.d/postfix-sasl.conf && mkdir /var/run/fail2ban
# Enables Pyzor and Razor
USER amavis
RUN razor-admin -create && \
razor-admin -register
USER root
# Configure DKIM (opendkim)
# DKIM config files
COPY target/opendkim/opendkim.conf /etc/opendkim.conf
COPY target/opendkim/default-opendkim /etc/default/opendkim
# Configure DMARC (opendmarc)
COPY target/opendmarc/opendmarc.conf /etc/opendmarc.conf
COPY target/opendmarc/default-opendmarc /etc/default/opendmarc
COPY target/opendmarc/ignore.hosts /etc/opendmarc/ignore.hosts
# Configure fetchmail
COPY target/fetchmail/fetchmailrc /etc/fetchmailrc_general
RUN sed -i 's/START_DAEMON=no/START_DAEMON=yes/g' /etc/default/fetchmail
RUN mkdir /var/run/fetchmail && chown fetchmail /var/run/fetchmail
# Configures Postfix
COPY target/postfix/main.cf target/postfix/master.cf /etc/postfix/
COPY target/postfix/sender_header_filter.pcre target/postfix/sender_login_maps.pcre /etc/postfix/maps/
RUN echo "" > /etc/aliases && \
openssl dhparam -out /etc/postfix/dhparams.pem 2048 && \
echo "@weekly FILE=`mktemp` ; openssl dhparam -out $FILE 2048 > /dev/null 2>&1 && mv -f $FILE /etc/postfix/dhparams.pem" > /etc/cron.d/dh2048
# Configuring Logs
RUN sed -i -r "/^#?compress/c\compress\ncopytruncate" /etc/logrotate.conf && \
mkdir -p /var/log/mail && \
chown syslog:root /var/log/mail && \
touch /var/log/mail/clamav.log && \
chown -R clamav:root /var/log/mail/clamav.log && \
touch /var/log/mail/freshclam.log && \
chown -R clamav:root /var/log/mail/freshclam.log && \
sed -i -r 's|/var/log/mail|/var/log/mail/mail|g' /etc/rsyslog.conf && \
sed -i -r 's|;auth,authpriv.none|;mail.none;mail.error;auth,authpriv.none|g' /etc/rsyslog.conf && \
sed -i -r 's|LogFile /var/log/clamav/|LogFile /var/log/mail/|g' /etc/clamav/clamd.conf && \
sed -i -r 's|UpdateLogFile /var/log/clamav/|UpdateLogFile /var/log/mail/|g' /etc/clamav/freshclam.conf && \
sed -i -r 's|/var/log/clamav|/var/log/mail|g' /etc/logrotate.d/clamav-daemon && \
sed -i -r 's|/var/log/clamav|/var/log/mail|g' /etc/logrotate.d/clamav-freshclam && \
sed -i -r 's|/var/log/mail|/var/log/mail/mail|g' /etc/logrotate.d/rsyslog && \
# prevent syslog logrotate warnings \
sed -i -e 's/\(printerror "could not determine current runlevel"\)/#\1/' /usr/sbin/invoke-rc.d && \
sed -i -e 's/^\(POLICYHELPER=\).*/\1/' /usr/sbin/invoke-rc.d && \
# prevent email when /sbin/init or init system is not existing \
sed -i -e 's/invoke-rc.d rsyslog rotate > \/dev\/null/invoke-rc.d rsyslog --quiet rotate > \/dev\/null/g' /etc/logrotate.d/rsyslog
# Get LetsEncrypt signed certificate
RUN curl -s https://letsencrypt.org/certs/lets-encrypt-x3-cross-signed.pem > /etc/ssl/certs/lets-encrypt-x3-cross-signed.pem
COPY ./target/bin /usr/local/bin
# Start-mailserver script
COPY ./target/check-for-changes.sh ./target/start-mailserver.sh ./target/fail2ban-wrapper.sh ./target/postfix-wrapper.sh ./target/postsrsd-wrapper.sh ./target/docker-configomat/configomat.sh /usr/local/bin/
RUN chmod +x /usr/local/bin/*
# Configure supervisor
COPY target/supervisor/supervisord.conf /etc/supervisor/supervisord.conf
COPY target/supervisor/conf.d/* /etc/supervisor/conf.d/
EXPOSE 25 587 143 465 993 110 995 4190
CMD supervisord -c /etc/supervisor/supervisord.conf
ADD target/filebeat.yml.tmpl /etc/filebeat/filebeat.yml.tmpl