X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=mail-setup;h=e12149f114bc06b0b79bc980359cb6dd743f8b8d;hb=56c55d8e02cdd6ec67d2fe53cc03785d8876442e;hp=5166faa3a44e1a9009368ee48d9a989cfe3272d2;hpb=802e885e3e7fa3857f8bc4f54c261d5ca76f2454;p=distro-setup diff --git a/mail-setup b/mail-setup index 5166faa..e12149f 100755 --- a/mail-setup +++ b/mail-setup @@ -4,6 +4,11 @@ # SPDX-License-Identifier: AGPL-3.0-or-later +# 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. # todo: handle errors like this: @@ -13,7 +18,6 @@ # 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 @@ -386,6 +390,7 @@ EOF 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 @@ -717,8 +722,12 @@ EOF for unit in ${nn_progs[@]}; do i /etc/systemd/system/$unit.service.d/nn.conf </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, @@ -1074,6 +1091,13 @@ defaultnn.b8.nz * F,1d,4m;F,14d,1h 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 @@ -1423,13 +1447,10 @@ if mailhost; then i /etc/systemd/system/radicale.service.d/override.conf <>/etc/exim4/conf.d/main/000_local <>/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 + + 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' @@ -2981,6 +3047,9 @@ if [[ -e /nocow ]]; then # 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 @@ -3137,16 +3206,36 @@ PATH=/usr/bin:/bin:/usr/local/bin 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) - 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 <> /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=( $(/usr/sbin/exiqgrep -o 260 -i -r '^(testignore@(iankelling\.org|zroe\.org|expertpathologyreview\.com|amnimal\.ninja|je\.b8\.nz)|jtuttle@gnu\.org)$') ) @@ -3172,11 +3278,22 @@ if (( ${#olds[@]} )); then 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 <