container-images/postfix
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Merge pull request #4 from watiko/smtp-port

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Configure smtp port and clean yum caches.
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Juan Luis Baptiste 2018-06-09 18:28:56 -05:00 committed by GitHub
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3 changed files with 8 additions and 3 deletions
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4
Dockerfile
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@ -4,7 +4,9 @@ MAINTAINER Juan Luis Baptiste juan.baptiste@gmail.com
RUN yum install -y epel-release && yum update -y && \
yum install -y cyrus-sasl cyrus-sasl-plain cyrus-sasl-md5 mailx \
perl supervisor postfix rsyslog
perl supervisor postfix rsyslog \
&& rm -rf /var/cache/yum/* \
&& yum clean all
RUN sed -i -e "s/^nodaemon=false/nodaemon=true/" /etc/supervisord.conf
RUN sed -i -e 's/inet_interfaces = localhost/inet_interfaces = all/g' /etc/postfix/main.cf

1
README.md
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@ -26,6 +26,7 @@ For more information on using multiple compose files [see here](https://docs.doc
The following env variables need to be passed to the container:
* `SMTP_SERVER` Server address of the SMTP server to use.
* `SMTP_PORT` (Optional, Default value: 587) Port address of the SMTP server to use.
* `SMTP_USERNAME` Username to authenticate with.
* `SMTP_PASSWORD` Password of the SMTP user.
* `SERVER_HOSTNAME` Server hostname for the Postfix container. Emails will appear to come from the hostname's domain.

6
run.sh
View file

@ -20,6 +20,8 @@ function add_config_value() {
[ -z "${SMTP_PASSWORD}" ] && echo "SMTP_PASSWORD is not set" && exit 1
[ -z "${SERVER_HOSTNAME}" ] && echo "SERVER_HOSTNAME is not set" && exit 1
SMTP_PORT="${SMTP_PORT-587}"
#Get the domain from the server host name
DOMAIN=`echo ${SERVER_HOSTNAME} |awk -F. '{$1="";OFS="." ; print $0}' | sed 's/^.//'`
@ -28,7 +30,7 @@ add_config_value "myhostname" ${SERVER_HOSTNAME}
add_config_value "mydomain" ${DOMAIN}
add_config_value "mydestination" '$myhostname'
add_config_value "myorigin" '$mydomain'
add_config_value "relayhost" "[${SMTP_SERVER}]:587"
add_config_value "relayhost" "[${SMTP_SERVER}]:${SMTP_PORT}"
add_config_value "smtp_use_tls" "yes"
add_config_value "smtp_sasl_auth_enable" "yes"
add_config_value "smtp_sasl_password_maps" "hash:\/etc\/postfix\/sasl_passwd"
@ -39,7 +41,7 @@ if [ ! -f /etc/postfix/sasl_passwd ]; then
grep -q "${SMTP_SERVER}" /etc/postfix/sasl_passwd > /dev/null 2>&1
if [ $? -gt 0 ]; then
echo "Adding SASL authentication configuration"
echo "[${SMTP_SERVER}]:587 ${SMTP_USERNAME}:${SMTP_PASSWORD}" >> /etc/postfix/sasl_passwd
echo "[${SMTP_SERVER}]:${SMTP_PORT} ${SMTP_USERNAME}:${SMTP_PASSWORD}" >> /etc/postfix/sasl_passwd
postmap /etc/postfix/sasl_passwd
fi
fi