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Update the Postgrey whitelist to a newer version monthly (#1611) 

Automatically update the Postgrey whitelist to a newer version once a month.
This commit is contained in:
Michael Kroes 2019-08-31 14:38:41 +02:00 committed by Joshua Tauberer
parent c7377e602d
commit 1d6793d124
2 changed files with 33 additions and 1 deletions
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5
CHANGELOG.md
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@ -1,6 +1,11 @@
CHANGELOG
=========
In Development
--------------
* Fetch an updated whitelist for Postgrey on a monthly basis.
v0.42b (August 3, 2019)
-----------------------

29
setup/mail-postfix.sh
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@ -208,7 +208,34 @@ tools/editconf.py /etc/postfix/main.cf \
# e-mails really latter, delay of greylisting has been set to
# 180 seconds (default is 300 seconds).
tools/editconf.py /etc/default/postgrey \
POSTGREY_OPTS=\"'--inet=127.0.0.1:10023 --delay=180'\"
POSTGREY_OPTS=\"'--inet=127.0.0.1:10023 --delay=180 --whitelist-recipients=/etc/postgrey/whitelist_clients'\"
# We are going to setup a newer whitelist for postgrey, the version included in the distribution is old
cat > /etc/cron.daily/mailinabox-postgrey-whitelist << EOF;
#!/bin/bash
# Mail-in-a-Box
# check we have a postgrey_whitelist_clients file and that it is not older than 28 days
if [ ! -f /etc/postgrey/whitelist_clients ] || find /etc/postgrey/whitelist_clients -mtime +28 > /dev/null ; then
# ok we need to update the file, so lets try to fetch it
if curl https://postgrey.schweikert.ch/pub/postgrey_whitelist_clients --output /tmp/postgrey_whitelist_clients -sS --fail > /dev/null 2>&1 ; then
# if fetching hasn't failed yet then check it is a plain text file
# curl manual states that --fail sometimes still produces output
# this final check will at least check the output is not html
# before moving it into place
if [ "\$(file -b --mime-type /tmp/postgrey_whitelist_clients)" == "text/plain" ]; then
mv /tmp/postgrey_whitelist_clients /etc/postgrey/whitelist_clients
service postgrey restart
else
rm /tmp/postgrey_whitelist_clients
fi
fi
fi
EOF
chmod +x /etc/cron.daily/mailinabox-postgrey-whitelist
/etc/cron.daily/mailinabox-postgrey-whitelist
# Increase the message size limit from 10MB to 128MB.
# The same limit is specified in nginx.conf for mail submitted via webmail and Z-Push.