# 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: bounces to my fsf mail can come from fsf@iankelling.org,
+# think about making bounces go from the original address.
# todo: add a prometheus alert for dovecot.
for unit in ${nn_progs[@]}; do
i /etc/systemd/system/$unit.service.d/nn.conf <<EOF
[Unit]
-# commented for old openvpn
-Requires=$vpnser
+
+# Wants appears better than requires because with requires,
+# if the vpnser fails to start, this service won't get run at
+# all, even if the vpnser starts on an automatic restart.
+
+Wants=$vpnser
After=network.target mailnn.service $vpnser
JoinsNamespaceOf=mailnn.service
BindsTo=mailnn.service
port = 25,587
filter = exim
banaction = iptables-exim
+
+# 209.51.188.13 = mail.fsf.org
+# 2001:470:142::13 = mail.fsf.org
+# 209.51.188.92 = eggs.gnu.org
+# 2001:470:142:3::10 = eggs.gnu.org
+# 72.14.176.105 2600:3c00:e000:280::2 = mail.iankelling.org
+# 10.173.8.1 = non-nn net
+ignoreip = 209.51.188.13 2001:470:142::13 209.51.188.92 2001:470:142:3::10 72.14.176.105 2600:3c00:e000:280::2 10.173.8.1
EOF
if $ir; then
m systemctl restart fail2ban
i /etc/systemd/system/radicale.service.d/override.conf <<EOF
[Unit]
-# this unit is configured to start and stop whenever
-# $vpnser does
After=network.target network-online.target mailnn.service $vpnser
-BindsTo=$vpnser
-Wants=network-online.target
+Wants=$vpnser
JoinsNamespaceOf=mailnn.service
StartLimitIntervalSec=0
i /etc/dovecot/dovecot-sql.conf.ext <<'EOF'
# from mailinabox
driver = sqlite
+# for je and bk, populated the testignore users for the relevant domains
connect = /m/rc/users.sqlite
default_pass_scheme = SHA512-CRYPT
password_query = SELECT email as user, password FROM users WHERE email='%u';
privileges TEXT NOT NULL DEFAULT '');
EOF
fi
+ # users.sqlite is saved into /p/c/machine_specific, so update it there!.
+ #
# example of adding a user:
# hash: doveadm pw -s SHA512-CRYPT -p passhere
# sqlite3 /m/rc/users.sqlite <<'EOF'
QUEUEINTERVAL='30m'
COMMONOPTIONS='-C /etc/exim4/my.conf'
UPEX4OPTS='-o /etc/exim4/my.conf'
-#E4BCD_PANICLOG_NOISE='exim user lost privilege for using -C option'
+# i use epanic-clean for alerting if there are bad paniclog entries
+E4BCD_WATCH_PANICLOG='no'
EOF
chown Debian-exim:Debian-exim /usr/sbin/exim4
# needs guid set in order to become Debian-exim
EOF
echo|i /etc/exim4/conf.d/router/880_universal_forward
+
+ cat >>/etc/exim4/conf.d/main/000_local <<EOF
+MAILDIR_HOME_MAILDIR_LOCATION = /m/md/Sent
+EOF
+
# for iank@fsf.org, i have mail.fsf.org forward it to fsf@iankelling.org.
# and also have mail.iankelling.org whitelisted as a relay domain.
# I could avoid that if I changed this to submit to 587 with a
# password like a standard mua.
i /etc/exim4/conf.d/router/188_exim4-config_smarthost <<'EOF'
+# ian: save a copy of sent mail. i thought of other ways to
+# do this, for example, to only save sent mail that is not sent
+# from my mail client which saves a copy by default, but in the
+# end, it seems simplest to turn that off. We want to save
+# external mail sent by smarthosts.
+sentarchive:
+ driver = redirect
+ domains = ! +local_domains
+ condition = ${if !bool{${lookup{$local_part@$domain}lsearch{/etc/exim4/ignore-sent}{true}}}}
+ data = vojdedIdNejyebni@b8.nz
+ unseen
+
# ian: copied from /etc/exim4/conf.d/router/200_exim4-config_primary, and added senders = and
# replaced DCsmarthost with hostname
fsfsmarthost:
host_find_failed = ignore
same_domain_copy_routing = yes
no_more
-
EOF
# Greping /etc/exim4, unqualified mails this would end up as
$MAIL_HOST|bk)
# config for the non-nn exim
m rsync -ra --delete /etc/exim4/ /etc/myexim4
+ cat >>/etc/myexim4/conf.d/main/000_local-nn <<'EOF'
+# this makes it easier to see which exim is doing what
+log_file_path = /var/log/exim4/my%s
+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'
# without local-fs on exim, we get these kind of errors in paniclog on shutdown:
# Failed to create spool file /var/spool/exim4//input//1jCLxz-0008V4-V9-D: Permission denied
After=local-fs.target
+
+[Service]
+ExecStartPre=/usr/local/bin/exim-nn-iptables
EOF
if ! mountpoint -q $sdir; then
stopifactive exim4 exim4in
;;&
$MAIL_HOST)
test_froms=(ian@iankelling.org z@zroe.org iank@gnu.org)
- test_to="testignore@expertpathologyreview.com, testignore@je.b8.nz, testignore@amnimal.ninja, jtuttle@gnu.org"
+ test_tos=(testignore@expertpathologyreview.com testignore@je.b8.nz testignore@amnimal.ninja jtuttle@gnu.org)
cat >>/etc/cron.d/mailtest <<EOF
0 13 * * * root echo "1pm alert. You are not in the matrix."
;;&
bk)
test_froms=(testignore@expertpathologyreview.com testignore@amnimal.ninja)
- test_to="testignore@iankelling.org, testignore@zroe.org, testignore@je.b8.nz"
+ test_tos=(testignore@iankelling.org testignore@zroe.org testignore@je.b8.nz)
;;&
je)
test_froms=(testignore@je.b8.nz)
- test_to="testignore@iankelling.org, testignore@zroe.org, testignore@expertpathologyreview.com, testignore@amnimal.ninja"
+ 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
+ # 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"
+ echo $t >> /etc/exim4/ignore-sent
+ done
cat >/usr/local/bin/send-test-forward <<'EOF'
#!/bin/bash
olds=(
/usr/sbin/exim -f $test_from -t <<EOF
From: $test_from
To: $test_to
-Subject: test \$(date +%Y-%m-%dT%H:%M:%S%z) \$(date +%s)
+Subject: test \$(date +%Y-%m-%dT%H:%M:%S%z) \$EPOCHSECONDS
/usr/local/bin/send-test-forward
EOF