53 lines
1.8 KiB
Docker
53 lines
1.8 KiB
Docker
FROM ubuntu:14.04
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ENV DEBIAN_FRONTEND noninteractive
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RUN locale-gen en_GB en_GB.UTF-8 && dpkg-reconfigure locales
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RUN apt-get update
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# Prerequisites
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# install self-signed ssl certs
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RUN apt-get install -y --force-yes ssl-cert
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# Install postfix as MTA
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RUN apt-get install -y --force-yes postfix
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# Install dovecot as IMAP server
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RUN apt-get install -y --force-yes dovecot-imapd
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# Install OpenDKIM domain signing server
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RUN apt-get install -y --force-yes opendkim
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# postfix configuration
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ADD ./config/postfix.main.cf /etc/postfix/main.cf
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ADD ./config/postfix.master.cf.append /etc/postfix/master-additional.cf
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RUN cat /etc/postfix/master-additional.cf >> /etc/postfix/master.cf
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# configure settings script
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VOLUME ["/mail_settings"]
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COPY process_settings /process_settings
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RUN chmod 755 /process_settings
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# add user vmail who own all mail folders
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VOLUME ["/vmail"]
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RUN groupadd -g 5000 vmail
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RUN useradd -g vmail -u 5000 vmail -d /vmail -m
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# dovecot configuration
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ADD ./config/dovecot.mail /etc/dovecot/conf.d/10-mail.conf
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ADD ./config/dovecot.ssl /etc/dovecot/conf.d/10-ssl.conf
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ADD ./config/dovecot.auth /etc/dovecot/conf.d/10-auth.conf
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ADD ./config/dovecot.master /etc/dovecot/conf.d/10-master.conf
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ADD ./config/dovecot.lda /etc/dovecot/conf.d/15-lda.conf
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ADD ./config/dovecot.imap /etc/dovecot/conf.d/20-imap.conf
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# add verbose logging
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#ADD ./config/dovecot.logging /etc/dovecot/conf.d/10-logging.conf
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EXPOSE 25 143 587
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# todo: enable port 587 for outgoing mail, separate ports 25 and 587
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# http://www.synology-wiki.de/index.php/Zusaetzliche_Ports_fuer_Postfix
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# start necessary services for operation (dovecot -F starts dovecot in the foreground to prevent container exit)
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ENTRYPOINT /process_settings; service rsyslog start; service opendkim start; service postfix start; dovecot -F
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