# Copyright (C) 2019 Ian Kelling
# SPDX-License-Identifier: AGPL-3.0-or-later
-# todo: setup a logrotate for /var/log/mymain and mypanic
# todo: setup an alert for bouncing test emails.
# todo: harden dovecot. need to do some research. one way is for it to only listen on a wireguard vpn interface, so only clients that are on the vpn can access it.
# todo: consider hardening cups listening on 0.0.0.0
# todo: stop/disable local apache, and rpc.mountd, and kdeconnect when not in use.
-# todo: check that spamd and unbound only listen locally.
# todo: hosts should only allow external mail that is authed and
# destined for backup route. it is a minor issue since traffic is
fi
# light version of exim does not have sasl auth support.
+# note: for bitfolk hosts, unbound has important config with conflink.
pi-nostart exim4 exim4-daemon-heavy spamassassin unbound clamav-daemon wireguard
# note: pyzor debian readme says you need to run some initialization command
cat >/etc/exim4/conf.d/retry/17_retry <<'EOF'
# Retry fast for my own domains
-iankelling.org * F,1d,10m;F,14d,1h
-amnimal.ninja * F,1d,10m;F,14d,1h
-expertpathologyreview.com * F,1d,10m;F,14d,1h
-je.b8.nz * F,1d,10m;F,14d,1h
-zroe.org * F,1d,10m;F,14d,1h
+iankelling.org * F,1d,4m;F,14d,1h
+amnimal.ninja * F,1d,4m;F,14d,1h
+expertpathologyreview.com * F,1d,4m;F,14d,1h
+je.b8.nz * F,1d,4m;F,14d,1h
+zroe.org * F,1d,4m;F,14d,1h
eximbackup.b8.nz * F,1d,4m;F,14d,1h
# The spec says the target domain will be used for temporary host errors,
mx.iankelling.org * F,1d,4m;F,14d,1h
bk.b8.nz * F,1d,4m;F,14d,1h
eggs.gnu.org * F,1d,4m;F,14d,1h
+fencepost.gnu.org * F,1d,4m;F,14d,1h
+
+# afaik our retry doesnt need this, but just using everything
+mx.amnimal.ninja * F,1d,4m;F,14d,1h
+mx.expertpathologyreview.com * F,1d,4m;F,14d,1h
+
+
mail.fsf.org * F,1d,15m;F,14d,1h
EOF
# this makes it easier to see which exim is doing what
log_file_path = /var/log/exim4/my%s
EOF
+
+ cat >/etc/logrotate.d/myexim <<'EOF'
+/var/log/exim4/mymain /var/log/exim4/myreject {
+ daily
+ missingok
+ rotate 1000
+ delaycompress
+ notifempty
+ nocreate
+}
+/var/log/exim4/mypanic {
+ size 10M
+ missingok
+ rotate 10
+ compress
+ delaycompress
+ notifempty
+ nocreate
+}
+EOF
+
# If we ever wanted to have a separate spool,
# we could do it like this.
# cat >>/etc/exim4/conf.d/main/000_local-nn <<'EOF'
MAILTO=daylert@iankelling.org
*/5 * * * * $u send-test-forward |& log-once send-test-forward
*/10 * * * * root chmod -R g+rw /m/md/bounces |& log-once -1 bounces-chmod
-*/5 * * * * root timeout 290 mailtest-check slow |& log-once -4 mailtest-check
+# todo: delete, this is old
+#*/5 * * * * root timeout 290 mailtest-check slow |& log-once -1 mailtest-check
# if a bounce happened yesterday, dont let it slip through the cracks
8 1 * * * root export MAILTO=alerts@iankelling.org; [[ -s /var/log/exim4/mainlog.1 ]] && awk '\$5 == "**"' /var/log/exim4/mainlog.1
EOF
+
+
m sudo rsync -ahhi --chown=root:root --chmod=0755 \
/b/ds/mailtest-check /b/ds/check-remote-mailqs /usr/local/bin/
+ cat >/etc/systemd/system/mailtest-check.service <<'EOF'
+[Unit]
+Description=mailtest-check
+After=local-fs.target
+StartLimitIntervalSec=0
+
+[Service]
+Type=simple
+ExecStart=/usr/local/bin/mailtest-check slow
+Restart=always
+RestartSec=60
+
+[Install]
+WantedBy=graphical.target
+EOF
+ sysd-prom-fail-install mailtest-check
+ sre mailtest-check
;;&
$MAIL_HOST)
test_froms=(ian@iankelling.org z@zroe.org iank@gnu.org)
EOF
;;&
bk)
- test_froms=(testignore@expertpathologyreview.com testignore@amnimal.ninja)
- test_tos=(testignore@iankelling.org testignore@zroe.org testignore@je.b8.nz)
+ test_froms=(testignore@amnimal.ninja testignore@expertpathologyreview.com)
+ test_tos=(testignore@iankelling.org testignore@je.b8.nz)
+ # We dont need to send from different addresses to the same
+ # address. this breaks down our nice elegant logic of building up
+ # froms and tos , so I just handle expertpath in a special case
+ # below and set the to: to be testignore@zroe.org. If we did sent
+ # that way, it would also mess up our mailtest-check logic that
+ # finds which messages to check.
+ # for example: from testignore@amnimal.ninja to: testignore@iankelling.org testignore@zroe.org
+ # that would become 2 messages and we'd only check 1.
;;&
je)
test_froms=(testignore@je.b8.nz)
test_tos=(testignore@iankelling.org testignore@zroe.org testignore@expertpathologyreview.com testignore@amnimal.ninja)
;;&
$MAIL_HOST|bk|je)
- test_to=${test_tos[0]}
- # dont put these test messages into the sent folder or else it will
+
+ # Dont put these test messages into the sent folder or else it will
# overwhelm it, plus i dont want to save a copy at all.
- echo $test_to > /etc/exim4/ignore-sent
- for t in ${test_tos[@]:1}; do
- test_to+=", $t"
+ rm -f /etc/exim4/ignore-sent
+ for t in ${test_tos[@]}; do
echo $t >> /etc/exim4/ignore-sent
done
+
cat >/usr/local/bin/send-test-forward <<'EOF'
#!/bin/bash
+# we remove from the queue older than 4.3 minutes since we send every 5 minutes.
olds=(
$(/usr/sbin/exiqgrep -o 260 -i -r '^(testignore@(iankelling\.org|zroe\.org|expertpathologyreview\.com|amnimal\.ninja|je\.b8\.nz)|jtuttle@gnu\.org)$')
)
fi
EOF
for test_from in ${test_froms[@]}; do
+
+ test_to=${test_tos[0]}
+ for t in ${test_tos[@]:1}; do
+ test_to+=", $t"
+ done
+ case $test_from in
+ testignore@expertpathologyreview.com)
+ test_to=testignore@zroe.org
+ ;;
+ esac
+
cat >>/usr/local/bin/send-test-forward <<EOFOUTER
/usr/sbin/exim -f $test_from -t <<EOF
From: $test_from
m chmod +x /usr/local/bin/send-test-forward
;;
*)
- rm -fv /etc/cron.d/mailtest
+ soff mailtest-check.service
+ rm -fv /etc/cron.d/mailtest /var/lib/prometheus/node-exporter/mailtest-check.prom*
;;
esac
iankelling.org / git / distro-setup / blobdiff