This is postfix autoresponder is originally written by Charles Hamilton, rewritten by asmpro and now rewritten by me for my purpose.
useradd -d /var/spool/autoresponder -s $(which nologin) autoresponder
go get git.gurkengewuerz.de/Gurkengewuerz/go-autoresponder
cp ~/gowork/bin/go-autoresponder /usr/local/sbin/autoresponder
chown autoresponder:autoresponder /usr/local/sbin/autoresponder
chmod 6755 /usr/local/sbin/autoresponder
mkdir -p /var/spool/autoresponder/responses
cp ~/gowork/src/git.gurkengewuerz.de/Gurkengewuerz/go-autoresponder/config.ini.sample /var/spool/autoresponder/config.ini
chown -R autoresponder:autoresponder /var/spool/autoresponder
chmod -R 0770 /var/spool/autoresponder
touch /var/log/autoresponder.log
chown autoresponder:autoresponder /var/log/autoresponder.log
Replace line:
smtp inet n - - - - smtpd
with these two lines (second must begin with at least one space or tab):
smtp inet n - - - - smtpd
-o content_filter=autoresponder:dummy
At the end of file append the following two lines:
autoresponder unix - n n - - pipe
flags=Fq user=autoresponder argv=/usr/local/sbin/autoresponder -s ${sender} -r ${recipient} -c /var/spool/autoresponder/config.ini -logfile /var/log/autoresponder.log
postconf -e 'autoresponder_destination_recipient_limit = 1'
service postfix restart
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