docker-mailserver/start-mailserver.sh
2015-12-05 19:08:39 +01:00

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#!/bin/sh
die () {
echo >&2 "$@"
exit 1
}
if [ -f /tmp/postfix/accounts.cf ]; then
echo "Regenerating postfix 'vmailbox' and 'virtual' for given users"
echo "# WARNING: this file is auto-generated. Modify accounts.cf in postfix directory on host" > /etc/postfix/vmailbox
# Checking that /tmp/postfix/accounts.cf ends with a newline
sed -i -e '$a\' /tmp/postfix/accounts.cf
# Creating users
while IFS=$'|' read login pass
do
# Setting variables for better readability
user=$(echo ${login} | cut -d @ -f1)
domain=$(echo ${login} | cut -d @ -f2)
# Let's go!
echo "user '${user}' for domain '${domain}' with password '********'"
echo "${login} ${domain}/${user}/" >> /etc/postfix/vmailbox
/usr/sbin/userdb ${login} set uid=5000 gid=5000 home=/var/mail/${domain}/${user} mail=/var/mail/${domain}/${user}
echo "${pass}" | userdbpw -md5 | userdb ${login} set systempw
echo "${pass}" | saslpasswd2 -p -c -u ${domain} ${login}
mkdir -p /var/mail/${domain}
maildirmake /var/mail/${domain}/${user}
echo ${domain} >> /tmp/vhost.tmp
done < /tmp/postfix/accounts.cf
makeuserdb
else
echo "==> Warning: '/tmp/postfix/accounts.cf' is not provided. No mail account created."
fi
if [ -f /tmp/postfix/virtual ]; then
# Copying virtual file
cp /tmp/postfix/virtual /etc/postfix/virtual
while IFS=$' ' read from to
do
# Setting variables for better readability
domain=$(echo ${from} | cut -d @ -f2)
echo ${domain} >> /tmp/vhost.tmp
done < /tmp/postfix/virtual
else
echo "==> Warning: '/tmp/postfix/virtual' is not provided. No mail alias created."
fi
if [ -f /tmp/vhost.tmp ]; then
cat /tmp/vhost.tmp | sort | uniq > /etc/postfix/vhost && rm /tmp/vhost.tmp
fi
echo "Postfix configurations"
touch /etc/postfix/vmailbox && postmap /etc/postfix/vmailbox
touch /etc/postfix/virtual && postmap /etc/postfix/virtual
# SSL Configuration
case $DMS_SSL in
"letsencrypt" )
# letsencrypt folders and files mounted in /etc/letsencrypt
# Postfix configuration
sed -i -r 's/smtpd_tls_cert_file=\/etc\/ssl\/certs\/ssl-cert-snakeoil.pem/smtpd_tls_cert_file=\/etc\/letsencrypt\/live\/'$(hostname)'\/fullchain.pem/g' /etc/postfix/main.cf
sed -i -r 's/smtpd_tls_key_file=\/etc\/ssl\/private\/ssl-cert-snakeoil.key/smtpd_tls_key_file=\/etc\/letsencrypt\/live\/'$(hostname)'\/privkey.pem/g' /etc/postfix/main.cf
# Courier configuration
cat /etc/letsencrypt/live/$(hostname)/privkey.pem /etc/letsencrypt/live/$(hostname)/cert.pem > /etc/letsencrypt/live/$(hostname)/combined.pem
sed -i -r 's/TLS_CERTFILE=\/etc\/courier\/imapd.pem/TLS_CERTFILE=\/etc\/letsencrypt\/live\/'$(hostname)'\/combined.pem/g' /etc/courier/imapd-ssl
echo "SSL configured with letsencrypt certificates"
;;
"self-signed" )
# Adding self-signed SSL certificate if provided in 'postfix/ssl' folder
if [ -e "/tmp/postfix/ssl/$(hostname)-cert.pem" ] \
&& [ -e "/tmp/postfix/ssl/$(hostname)-key.pem" ] \
&& [ -e "/tmp/postfix/ssl/$(hostname)-combined.pem" ] \
&& [ -e "/tmp/postfix/ssl/demoCA/cacert.pem" ]; then
echo "Adding $(hostname) SSL certificate"
mkdir -p /etc/postfix/ssl
cp /tmp/postfix/ssl/$(hostname)-cert.pem /etc/postfix/ssl
cp /tmp/postfix/ssl/$(hostname)-key.pem /etc/postfix/ssl
cp /tmp/postfix/ssl/$(hostname)-combined.pem /etc/postfix/ssl
cp /tmp/postfix/ssl/demoCA/cacert.pem /etc/postfix/ssl
# Postfix configuration
sed -i -r 's/smtpd_tls_cert_file=\/etc\/ssl\/certs\/ssl-cert-snakeoil.pem/smtpd_tls_cert_file=\/etc\/postfix\/ssl\/'$(hostname)'-cert.pem/g' /etc/postfix/main.cf
sed -i -r 's/smtpd_tls_key_file=\/etc\/ssl\/private\/ssl-cert-snakeoil.key/smtpd_tls_key_file=\/etc\/postfix\/ssl\/'$(hostname)'-key.pem/g' /etc/postfix/main.cf
sed -i -r 's/#smtpd_tls_CAfile=/smtpd_tls_CAfile=\/etc\/postfix\/ssl\/cacert.pem/g' /etc/postfix/main.cf
sed -i -r 's/#smtp_tls_CAfile=/smtp_tls_CAfile=\/etc\/postfix\/ssl\/cacert.pem/g' /etc/postfix/main.cf
ln -s /etc/postfix/ssl/cacert.pem /etc/ssl/certs/cacert-$(hostname).pem
# Courier configuration
sed -i -r 's/TLS_CERTFILE=\/etc\/courier\/imapd.pem/TLS_CERTFILE=\/etc\/postfix\/ssl\/'$(hostname)'-combined.pem/g' /etc/courier/imapd-ssl
fi
;;
esac
echo "Fixing permissions"
chown -R 5000:5000 /var/mail
mkdir -p /var/log/clamav && chown -R clamav:root /var/log/clamav
echo "Creating /etc/mailname"
echo $(hostname -d) > /etc/mailname
echo "Configuring Spamassassin"
echo "required_hits 5.0" >> /etc/mail/spamassassin/local.cf
echo "report_safe 0" >> /etc/mail/spamassassin/local.cf
echo "required_score 5" >> /etc/mail/spamassassin/local.cf
echo "rewrite_header Subject ***SPAM***" >> /etc/mail/spamassassin/local.cf
cp /tmp/spamassassin/rules.cf /etc/spamassassin/
echo "Starting daemons"
cron
/etc/init.d/rsyslog start
/etc/init.d/saslauthd start
/etc/init.d/courier-authdaemon start
/etc/init.d/courier-imap start
/etc/init.d/courier-imap-ssl start
/etc/init.d/spamassassin start
/etc/init.d/clamav-daemon start
/etc/init.d/amavis start
/etc/init.d/postfix start
echo "Listing SASL users"
sasldblistusers2
echo "Starting..."
tail -f /var/log/mail.log