docker-mailserver/Dockerfile

FROM ubuntu:14.04
MAINTAINER Thomas VIAL

# Packages
RUN DEBIAN_FRONTEND=noninteractive apt-get update -q --fix-missing && \
  apt-get -y upgrade && \
  apt-get -y install --no-install-recommends \
    amavisd-new \
    arj \
    bzip2 \
    clamav \
    clamav-daemon \
    curl \
    dovecot-core \
    dovecot-imapd \
    dovecot-ldap \
    dovecot-lmtpd \
    dovecot-managesieved \
    dovecot-pop3d \
    dovecot-sieve \
    ed \
    fail2ban \
    fetchmail \
    file \
    gamin \
    gzip \
    iptables \
    libmail-spf-perl \
    libnet-dns-perl \
    libsasl2-modules \
    opendkim \
    opendkim-tools \
    opendmarc \
    p7zip \
    postfix \
    postfix-ldap \
    pyzor \
    razor \
    rsyslog \
    sasl2-bin \
    spamassassin \
    unzip \
    && \
  curl -sk http://neuro.debian.net/lists/trusty.de-m.libre > /etc/apt/sources.list.d/neurodebian.sources.list && \
  apt-key adv --recv-keys --keyserver hkp://pgp.mit.edu:80 0xA5D32F012649A5A9 && \
  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 && \
  apt-get update -q --fix-missing && apt-get -y upgrade fail2ban filebeat && \
  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

# Enables Clamav
RUN (echo "0 0,6,12,18 * * * /usr/bin/freshclam --quiet" ; crontab -l) | crontab -
RUN chmod 644 /etc/clamav/freshclam.conf && freshclam

# Configures Dovecot
RUN sed -i -e 's/include_try \/usr\/share\/dovecot\/protocols\.d/include_try \/etc\/dovecot\/protocols\.d/g' /etc/dovecot/dovecot.conf
RUN sed -i -e 's/#mail_plugins = \$mail_plugins/mail_plugins = \$mail_plugins sieve/g' /etc/dovecot/conf.d/15-lda.conf
RUN sed -i -e 's/^.*lda_mailbox_autocreate.*/lda_mailbox_autocreate = yes/g' /etc/dovecot/conf.d/15-lda.conf
RUN sed -i -e 's/^.*lda_mailbox_autosubscribe.*/lda_mailbox_autosubscribe = yes/g' /etc/dovecot/conf.d/15-lda.conf
RUN sed -i -e 's/^.*postmaster_address.*/postmaster_address = '${POSTMASTER_ADDRESS:="postmaster@domain.com"}'/g' /etc/dovecot/conf.d/15-lda.conf
COPY target/dovecot/auth-passwdfile.inc /etc/dovecot/conf.d/
COPY target/dovecot/??-*.conf /etc/dovecot/conf.d/

# 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 /etc/postfix/

# Enables Spamassassin CRON updates
RUN sed -i -r 's/^(CRON)=0/\1=1/g' /etc/default/spamassassin

# Enables Amavis
RUN sed -i -r 's/#(@|   \\%)bypass/\1bypass/g' /etc/amavis/conf.d/15-content_filter_mode
RUN adduser clamav amavis && adduser amavis clamav
RUN useradd -u 5000 -d /home/docker -s /bin/bash -p $(echo docker | openssl passwd -1 -stdin) docker
RUN (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

# Enables Pyzor and Razor
USER amavis
RUN razor-admin -create && razor-admin -register && pyzor discover
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

# Configures Postfix
COPY target/postfix/main.cf target/postfix/master.cf /etc/postfix/
RUN echo "" > /etc/aliases
RUN openssl dhparam -out /etc/postfix/dhparams.pem 2048

# 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.d/50-default.conf && \
  sed -i -r 's|;auth,authpriv.none|;mail.none;mail.error;auth,authpriv.none|g' /etc/rsyslog.d/50-default.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

# 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/start-mailserver.sh /usr/local/bin/
RUN chmod +x /usr/local/bin/*

EXPOSE 25 587 143 993 110 995 4190

CMD /usr/local/bin/start-mailserver.sh


ADD target/filebeat.yml.tmpl /etc/filebeat/filebeat.yml.tmpl