X-Git-Url: https://iankelling.org/git/?p=distro-setup;a=blobdiff_plain;f=mail-setup;h=93d09c739402f2c4b8c78c7b79aa22641b228f5b;hp=9c466899979bf2e36f99ddade0681b263488f45b;hb=HEAD;hpb=1723d09bec8364d16a156b195fd08b9f62cbc98b

diff --git a/mail-setup b/mail-setup
index 9c46689..9ada9b6 100755
--- a/mail-setup
+++ b/mail-setup
@@ -454,7 +454,7 @@ fi
 bhost_t=false
 case $HOSTNAME in
   $MAIL_HOST) : ;;
-  kd|frodo|x2|x3|kw|sy|bo)
+  kd|x2|x3|kw|sy|bo|so)
     bhost_t=true
     ;;
 esac
@@ -1143,6 +1143,10 @@ banaction = iptables-exim
 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 $ur; then
+  # Ensure the log file monitored by fail2ban exists, or else fail2ban can't start.
+  if [[ ! -e /var/log/exim4/mainlog ]]; then
+    install -m 640 -o Debian-exim -g adm /dev/null /var/log/exim4/mainlog
+  fi
   m systemctl restart fail2ban
 fi
 
@@ -2105,7 +2109,7 @@ EOF
     # Having backups of indexes is a waste of space. This also means we
     # don't send them around with btrbk, I think it is probably
     # preferable use a bit more cpu to recalculate indexes.
-    install -d -o iank -g iank /var/dovecot-indexes
+    install -d -m 700 -o iank -g iank /var/dovecot-indexes
     cat >>/etc/dovecot/local.conf <<EOF
 
 
@@ -2118,9 +2122,11 @@ mail_cache_max_size = 50M
 !include conf.d/auth-passwdfile.conf.ext
 
 # ian: %u is used for alerts user vs iank
+# https://doc.dovecot.org/configuration_manual/mail_location/Maildir/
 mail_location = maildir:/m/%u:LAYOUT=fs:INBOX=/m/%u/INBOX:INDEX=/var/dovecot-indexes/%u
-mail_uid = $u
-mail_gid = $u
+# note: i don't know if these need to be set, but this seems fine.
+mail_uid = iank
+mail_gid = iank
 
 protocol lmtp {
 # For a normal setup with exim, we need something like this, which
@@ -2531,8 +2537,8 @@ EOF
     m mkdir -p $rctmpdir /m/rc
     m chown -R www-data.www-data $rctmpdir /m/rc
     m chmod 750 $rctmpdir
-    # Ensure the log file monitored by fail2ban exists, or else fail2ban can't start.
     # todo: check for other mailinabox things
+    # Ensure the log file monitored by fail2ban exists, or else fail2ban can't start.
     m sudo -u www-data touch $rclogdir/errors.log
 
     #### begin carddav install
@@ -2862,7 +2868,7 @@ debbugsconfig
 
 
 # ld for local debbugs
-/a/exe/web-conf -t -a 127.0.1.1 -p 80 -r /var/lib/debbugs/www - apache2 ld <<'EOF'
+/a/exe/web-conf -l -t -a 127.0.1.1 -p 80 -r /var/lib/debbugs/www - apache2 ld <<'EOF'
 # copied from debbugs upstream example
 <Directory /var/lib/debbugs/www>
    Options Indexes SymLinksIfOwnerMatch MultiViews
@@ -3342,6 +3348,12 @@ EOF
     # This name won\'t appear on From: lines of outgoing messages if rewriting is enabled.
     echo iankelling.org > /etc/mailname
 
+    # mail default domain.
+    u /etc/mailutils.conf <<'EOF'
+address {
+  email-domain iankelling.org;
+};
+EOF
 
     # mail.iankelling.org so local imap clients can connect with tls and
     # when they happen to not be local.
@@ -3556,11 +3568,13 @@ backup_local:
 EOF
 
       # Bind to wghole to receive mailbackup.
-      wgholeip=$(sed -rn 's/^ *Address *= *([^/]+).*/\1/p' /etc/wireguard/wghole.conf)
-      cat >>/etc/exim4/update-exim4.conf.conf <<EOF
+      if [[ -e /etc/wireguard/wghole.conf ]]; then
+        wgholeip=$(sed -rn 's/^ *Address *= *([^/]+).*/\1/p' /etc/wireguard/wghole.conf)
+        cat >>/etc/exim4/update-exim4.conf.conf <<EOF
 dc_other_hostnames='eximbackup.b8.nz'
 dc_local_interfaces='127.0.0.1;::1;$wgholeip'
 EOF
+      fi
 
       # wghole & thus exim will fail to start without internet connectivity.
       u /etc/systemd/system/exim4.service.d/backup.conf <<'EOF'
@@ -3763,7 +3777,7 @@ fi
 # if [[ ! $uid ]]; then
 #   # /a/opt/debbugs/debian/README.mail
 #   adduser --uid 610 --system --group --home /o/debbugs \
-#           --no-create-home --disabled-login --force-badname debbugs
+  #           --no-create-home --disabled-login --force-badname debbugs
 # m find /o/debbugs -xdev -path ./var/tmp -prune -o -uid $uid -execdir chown -h 610 {} +
 # m find /o/debbugs -xdev -path ./var/tmp -prune -o -gid $gid -execdir chgrp -h 610 {} +
 # elif [[ $uid != 610 ]]; then
@@ -3802,9 +3816,11 @@ case $HOSTNAME in
     ;;
 esac
 
-# optimization, this only needs to run once.
-if [[ ! -e /etc/exim4/fullchain.pem ]]; then
-  m /a/bin/ds/mail-cert-cron -1
+# optimization, this only needs to run once.  But, if we move to a
+# computer we haven't used much, we need to fetch a fresh cert.
+# Existence check is just to avoid ugly error message from openssl.
+if [[ ! -e /etc/exim4/fullchain.pem ]] ||  ! openssl x509 -checkend $(( 60 * 60 * 24 * 3 )) -noout -in /etc/exim4/fullchain.pem; then
+  m /a/bin/ds/mail-cert-cron -1 -i
   m systemctl --now enable mailcert.timer
 fi