docker-mailserver/Dockerfile
2020-12-09 20:02:27 +00:00

251 lines
9.5 KiB
Docker

FROM debian:buster-slim
ARG VCS_REF
ARG VCS_VERSION
LABEL maintainer="Thomas VIAL" \
org.label-schema.name="docker-mailserver" \
org.label-schema.description="A fullstack but simple mailserver (smtp, imap, antispam, antivirus, ssl...)" \
org.label-schema.url="https://github.com/tomav/docker-mailserver" \
org.label-schema.vcs-ref=$VCS_REF \
org.label-schema.vcs-url="https://github.com/tomav/docker-mailserver" \
org.label-schema.version=$VCS_VERSION \
org.label-schema.schema-version="1.0"
ARG 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_AUTO_WHITELIST_CLIENTS=5
ENV POSTGREY_TEXT="Delayed by postgrey"
ENV SASLAUTHD_MECHANISMS=pam
ENV SASLAUTHD_MECH_OPTIONS=""
SHELL ["/bin/bash", "-o", "pipefail", "-c"]
# Packages
# hadolint ignore=DL3015,DL3005
RUN \
apt-get update -q --fix-missing && \
apt-get -y upgrade && \
apt-get -y install postfix && \
apt-get -y install --no-install-recommends \
altermime \
amavisd-new \
apt-transport-https \
arj \
binutils \
bzip2 \
ca-certificates \
cabextract \
clamav \
clamav-daemon \
cpio \
curl \
ed \
fail2ban \
fetchmail \
file \
gamin \
gzip \
gnupg \
iproute2 \
iptables \
locales \
logwatch \
lhasa \
libdate-manip-perl \
liblz4-tool \
libmail-spf-perl \
libnet-dns-perl \
libsasl2-modules \
lrzip \
lzop \
netcat-openbsd \
nomarch \
opendkim \
opendkim-tools \
opendmarc \
pax \
pflogsumm \
p7zip-full \
postfix-ldap \
postfix-pcre \
postfix-policyd-spf-python \
postsrsd \
pyzor \
razor \
rpm2cpio \
rsyslog \
sasl2-bin \
spamassassin \
supervisor \
postgrey \
unrar-free \
unzip \
whois \
xz-utils \
dovecot-core \
dovecot-imapd \
dovecot-ldap \
dovecot-lmtpd \
dovecot-managesieved \
dovecot-pop3d \
dovecot-sieve \
dovecot-solr \
&& \
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 /etc/postsrsd.secret && \
rm /etc/cron.daily/00logwatch
RUN echo "0 */6 * * * clamav /usr/bin/freshclam --quiet" > /etc/cron.d/clamav-freshclam && \
chmod 644 /etc/clamav/freshclam.conf && \
freshclam && \
sed -i 's/Foreground false/Foreground true/g' /etc/clamav/clamd.conf && \
mkdir /var/run/clamav && \
chown -R clamav:root /var/run/clamav && \
rm -rf /var/log/clamav/
# Configures Dovecot
COPY target/dovecot/auth-passwdfile.inc target/dovecot/??-*.conf /etc/dovecot/conf.d/
COPY target/dovecot/scripts/quota-warning.sh /usr/local/bin/quota-warning.sh
COPY target/dovecot/sieve/ /etc/dovecot/sieve/
WORKDIR /usr/share/dovecot
# hadolint ignore=SC2016,SC2086
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 && \
# Adapt mkcert for Dovecot community repo
sed -i 's/CERTDIR=.*/CERTDIR=\/etc\/dovecot\/ssl/g' /usr/share/dovecot/mkcert.sh && \
sed -i 's/KEYDIR=.*/KEYDIR=\/etc\/dovecot\/ssl/g' /usr/share/dovecot/mkcert.sh && \
sed -i 's/KEYFILE=.*/KEYFILE=\$KEYDIR\/dovecot.key/g' /usr/share/dovecot/mkcert.sh && \
# create directory for certificates created by mkcert
mkdir /etc/dovecot/ssl && \
chmod 755 /etc/dovecot/ssl && \
./mkcert.sh && \
mkdir -p /usr/lib/dovecot/sieve-pipe /usr/lib/dovecot/sieve-filter /usr/lib/dovecot/sieve-global && \
chmod 755 -R /usr/lib/dovecot/sieve-pipe /usr/lib/dovecot/sieve-filter /usr/lib/dovecot/sieve-global
# 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
# hadolint ignore=SC2016
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
# Copy shared ffdhe params
COPY target/shared/ffdhe4096.pem /etc/postfix/shared/ffdhe4096.pem
# 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 - && \
chmod 644 /etc/amavis/conf.d/*
# Configure Fail2ban
COPY target/fail2ban/jail.conf /etc/fail2ban/jail.conf
COPY target/fail2ban/filter.d/postfix-sasl.conf /etc/fail2ban/filter.d/postfix-sasl.conf
RUN mkdir /var/run/fail2ban
# Enables Pyzor and Razor
RUN su - amavis -c "razor-admin -create && razor-admin -register"
# 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/header_checks.pcre target/postfix/sender_header_filter.pcre target/postfix/sender_login_maps.pcre /etc/postfix/maps/
RUN echo "" > /etc/aliases
# 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|invoke-rc.d.*|/usr/bin/supervisorctl signal hup clamav >/dev/null \|\| true|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 '/postrotate/,/endscript/d' /etc/logrotate.d/clamav-freshclam && \
sed -i -r 's|/var/log/mail|/var/log/mail/mail|g' /etc/logrotate.d/rsyslog && \
sed -i -r '/\/var\/log\/mail\/mail.log/d' /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 syslog warning about imklog permissions.
# We won't want to look at that inside a container anyway.
sed -i -e 's/^module\(load="imklog"\)/#module\(load="imklog"\)/' /etc/rsyslog.conf && \
# prevent email when /sbin/init or init system is not existing \
sed -i -e 's|invoke-rc.d rsyslog rotate > /dev/null|/usr/bin/supervisorctl signal hup rsyslog >/dev/null|g' /usr/lib/rsyslog/rsyslog-rotate
# 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/bin-helper.sh ./target/helper-functions.sh ./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/
WORKDIR /
# Switch iptables and ip6tables to legacy for fail2ban
RUN update-alternatives --set iptables /usr/sbin/iptables-legacy \
&& update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
EXPOSE 25 587 143 465 993 110 995 4190
CMD ["supervisord", "-c", "/etc/supervisor/supervisord.conf"]