lizexiong/postfix repository overview

FROM tozd/runit:ubuntu-trusty

EXPOSE 25/tcp 465/tcp 587/tcp

VOLUME /var/log/postfix VOLUME /var/spool/postfix

ENV MAILNAME mail.example.com ENV MY_NETWORKS 172.17.0.0/16 127.0.0.0/8 ENV MY_DESTINATION localhost.localdomain, localhost ENV ROOT_ALIAS [email protected]⁠

⁠/etc/aliases should be available at postfix installation.

COPY ./etc/aliases /etc/aliases

RUN echo postfix postfix/main_mailer_type string "'Internet Site'" | debconf-set-selections &&
echo postfix postfix/mynetworks string "127.0.0.0/8" | debconf-set-selections &&
echo postfix postfix/mailname string temporary.example.com | debconf-set-selections &&
apt-get update -q -q &&
apt-get --yes --force-yes install postfix &&
apt-get --yes --force-yes --no-install-recommends install rsyslog &&
apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* ~/.cache ~/.npm

⁠We disable IPv6 for now, IPv6 is available in Docker even if the host does not have IPv6 connectivity.

RUN
postconf -e mydestination="localhost.localdomain, localhost" &&
postconf -e smtpd_banner='$myhostname ESMTP $mail_name' &&
postconf -# myhostname &&
postconf -e inet_protocols=ipv4 &&
sed -i 's//var/log/mail//var/log/postfix/mail/' /etc/rsyslog.d/50-default.conf

COPY ./etc /etc