# See the License for the specific language governing permissions and
# limitations under the License.
+# todo: make quick backups of maildir, or deliver to multiple hosts.
+
set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
[[ $EUID == 0 ]] || exec sudo -E "$BASH_SOURCE" "$@"
+if [[ ! $SUDO_USER ]]; then
+ echo "$0: error: requires running as nonroot or sudo"
+ exit 1
+fi
+u=$SUDO_USER
+
usage() {
cat <<EOF
usage 1
fi
-if [[ ! $SUDO_USER ]]; then
- echo "$0: error: requires running as nonroot or sudo"
-fi
-u=$SUDO_USER
####### begin perstent password instructions ######
if command -v apt-get &> /dev/null; then
debconf-set-selections <<EOF
postfix postfix/main_mailer_type select Satellite system
-postfix postfix/mailname string $HOSTNAME
+postfix postfix/mailname string $(hostname -f)
postfix postfix/relayhost string $relayhost
postfix postfix/root_address string $postmaster
EOF
# we check that a valid cert is there already.
# to put the hostname in the known hosts
if ! ssh -o StrictHostKeyChecking=no root@li.iankelling.org :; then
- openssl x509 -checkend $(( 60 * 60 * 24 * 3 )) -noout -in /etc/openvpn/mail.crt
+ # This just causes failure if our cert is going to expire in the next 30 days.
+ # Certs I generate last 10 years.
+ openssl x509 -checkend $(( 60 * 60 * 24 * 30 )) -noout -in /etc/openvpn/mail.crt
else
# note, man openvpn implies we could just call mail-route on vpn startup/shutdown with
# systemd, buuut it can remake the tun device unexpectedly, i got this in the log
EOF
source /a/bin/bash_unpublished/source-semi-priv
- exim_main_dir=/etc/exim4/conf.d/main
- mkdir -p $exim_main_dir
+ mkdir -p /etc/exim4/conf.d/main
# This name won\'t appear on From: lines of outgoing messages if rewriting is enabled.
# System mail name:
+# iank: see comment elsewhere on mailname
exim4-config exim4/mailname string mail.iankelling.org
# Please enter a semicolon-separated list of recipient domains for which this machine
# should consider itself the final destination. These domains are commonly called
-# 'local domains'. The local hostname (treetowl.lan) and 'localhost' are always added
+# 'local domains'. The local hostname (kd.lan) and 'localhost' are always added
# to the list given here.
# By default all local domains will be treated identically. If both a.example and
# Delivery method for local mail: 2
exim4-config exim4/dc_localdelivery select Maildir format in home directory
EOF
+ echo mail.iankelling.org > /etc/mailname
+
# MAIN_HARDCODE_PRIMARY_HOSTNAME might mess up the
# smarthost config type, not sure. all other settings
# would be unused in that config type.
- cat >$exim_main_dir/000_localmacros <<EOF
-# i don't have ipv6 setup for my tunnel yet.
+ cat >/etc/exim4/conf.d/main/000_localmacros <<EOF
+# i don't have ipv6 setup for my vpn tunnel yet.
disable_ipv6 = true
MAIN_TLS_ENABLE = true
# failing message on mail-tester.com:
-# We check if there is a server (A Record) behind your hostname treetowl.
-# You may want to publish a DNS record (A type) for the hostname treetowl or use a different hostname in your mail software
+# We check if there is a server (A Record) behind your hostname kd.
+# You may want to publish a DNS record (A type) for the hostname kd or use a different hostname in your mail software
# https://serverfault.com/questions/46545/how-do-i-change-exim4s-primary-hostname-on-a-debian-box
# and this one seemed appropriate from grepping config.
# I originally set this to li.iankelling.org, but then ended up with errors when li tried to send
-# mail to treetowl, so this should basically be a name that no host has as their
+# mail to kd, so this should basically be a name that no host has as their
# canonical hostname since the actual host sits behind a nat and changes.
# Seems logical for this to be the same as mailname.
MAIN_HARDCODE_PRIMARY_HOSTNAME = mail.iankelling.org
EOF
####### end dovecot setup ########
+ # https://selivan.github.io/2017/12/30/systemd-serice-always-restart.html
+ d=/etc/systemd/system/openvpn@mail
+ mkdir -p $d
+ cat >$d/override.conf <<'EOF'
+[Service]
+Restart=always
+# time to sleep before restarting a service
+RestartSec=1
+
+[Unit]
+# StartLimitIntervalSec in recent systemd versions
+StartLimitInterval=0
+EOF
systemctl enable offlineimapsync.timer
systemctl start offlineimapsync.timer
#
# would only exist because I wrote it i the previous condition,
# it\'s not part of exim
- rm -f $exim_main_dir/000_localmacros
+ rm -f /etc/exim4/conf.d/main/000_localmacros
debconf-set-selections <<EOF
exim4-config exim4/dc_eximconfig_configtype select mail sent by smarthost; no local mail
exim4-config exim4/dc_smarthost string $smarthost
-# the default, i think is from /etc/mailname. better to set it to
-# whatever the current fqdn is.
+# afaik, on dpkg-reconfigure noninteractive, this sets /etc/mailname if it does not exist.
+# if it does exist, it immediately changes the value to whats in /etc/mailname.
+# So, I don't think there's any point in setting it, but might as well since
+# ignoring what I set here is brain dead and might change.
exim4-config exim4/mailname string $(hostname -f)
EOF
+ hostname -f > /etc/mailname
fi # end $HOSTNAME != $MAIL_HOST
# i have the spool directory be common to distro multi-boot, so
# we need the uid to be the same. 608 cuz it's kind of in the middle
# of the free system uids.
- IFS=:; read _ _ uid _ < <(getent passwd Debian-exim ); unset IFS
- IFS=:; read _ _ gid _ < <(getent group Debian-exim ); unset IFS
+ IFS=:; read _ _ uid _ < <(getent passwd Debian-exim ||:) ||:; unset IFS
+ IFS=:; read _ _ gid _ < <(getent group Debian-exim ||:) ||:; unset IFS
if [[ ! $uid ]]; then
# from /var/lib/dpkg/info/exim4-base.postinst, plus uid and gid options
- adduser --uid 608 --gid 608 --system --group --quiet --home /var/spool/exim4 \
+ adduser --uid 608 --system --group --quiet --home /var/spool/exim4 \
--no-create-home --disabled-login --force-badname Debian-exim
elif [[ $uid != 608 ]]; then
systemctl stop exim4 ||:
iankelling.org / git / distro-setup / blobdiff