more mail fixes

[distro-setup] / mail-setup

diff --git a/mail-setup b/mail-setup
index 65c9d8b70a80d7b437833cdf4fed4b877ad84c93..b79fd8483fa44fd6a0ae9d0bbf56f05ee2d85389 100755 (executable)
--- a/mail-setup
+++ b/mail-setup
@@ -182,7 +182,7 @@ if [[ ! -e /lib/systemd/system/openvpn-client@.service ]]; then
   vpn_ser=openvpn
 fi
 
-if [[ $HOSTNAME == $MAIL_HOST ]]; then
+if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
   # afaik, these will get ignored because they are routing to my own
   # machine, but rm them is safer
   rm -f $(eval echo ~$u)/.forward /root/.forward
@@ -317,6 +317,7 @@ EOF
 
 cat >/etc/exim4/host_local_deny_exceptions <<'EOF'
 mail.fsf.org
+*.posteo.de
 EOF
 
 cat >/etc/exim4/conf.d/router/190_exim4-config_fsfsmarthost <<'EOF'
@@ -348,7 +349,7 @@ f=/a/bin/bash_unpublished/source-state
 if [[ -e $f ]]; then
     source $f
 fi
-if [[ $HOSTNAME == $MAIL_HOST ]]; then
+if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
     local_mx=mail.iankelling.org
     rsync_common="rsync -ogtL --chown=root:Debian-exim --chmod=640 root@li.iankelling.org:/etc/letsencrypt/live/$local_mx/"
     ${rsync_common}fullchain.pem /etc/exim4/exim.crt
@@ -409,7 +410,7 @@ dc_mailname_in_oh='true'
 EOF
 
 
-if [[ $HOSTNAME == $MAIL_HOST ]]; then
+if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
 
   # mail.iankelling.org so local imap clients can connect with tls and
   # when they happen to not be local.
@@ -547,6 +548,10 @@ wget -nv -N https://publicsuffix.org/list/public_suffix_list.dat
 EOF
   chmod 755 $f
 
+  sed -i --follow-symlinks -f - /etc/aliases <<EOF
+\$a root: $postmaster
+/^root:/d
+EOF
 
   ####### begin dovecot setup ########
   # based on a little google and package search, just the dovecot
@@ -610,7 +615,7 @@ protocol lmtp {
 EOF
 
 
-  cat >/etc/dovecot/local.conf <<'EOF'
+  cat >/etc/dovecot/local.conf <<EOF
 # so I can use a different login that my shell login for mail.  this is
 # worth doing solely for the reason that if this login is compromised,
 # it won't also compromise my shell password.
@@ -629,8 +634,8 @@ ssl_prefer_server_ciphers = yes
 
 
 mail_location = maildir:/m/%u:LAYOUT=fs:INBOX=/m/%u/INBOX
-mail_uid = iank
-mail_gid = iank
+mail_uid = $u
+mail_gid = $u
 
 # for debugging info, uncomment these.
 # logs go to syslog and to /var/log/mail.log
@@ -653,6 +658,8 @@ RestartSec=1
 StartLimitInterval=0
 EOF
 
+
+
   systemctl enable mailclean.timer
   systemctl start mailclean.timer
   systemctl restart $vpn_ser@mail
@@ -693,6 +700,13 @@ EOF
 
   hostname -f > /etc/mailname
 
+  # We set this to alerts on MAIL_HOST, but using a user that doesn't exist elsewhere
+  # is no good.
+  sed -i --follow-symlinks -f - /etc/aliases <<EOF
+\$a root:
+/^root:/d
+EOF
+
 fi # end $HOSTNAME != $MAIL_HOST
 
 systemctl reload exim4
@@ -810,23 +824,18 @@ systemctl restart exim4
 # Multiple user names need to be separated by spaces.
 # Root and postmaster mail recipient:
 
-if [[ $postmaster != root ]]; then
-  sed -i --follow-symlinks -f - /etc/aliases <<EOF
-\$a root: $postmaster
-/^root:/d
-EOF
-  newaliases
-fi
-
-# local mail that bounces to alerts goes to /Maildir
-dirs=(/Maildir/{cur,tmp,new})
+# local mail that bounces goes to /Maildir or /root/Maildir
+dirs=(/m/md/bounces/{cur,tmp,new})
 mkdir -p ${dirs[@]}
-chown -R $u:Debian-exim /Maildir
+chown -R $u:Debian-exim /m/md/bounces
 chmod 775 ${dirs[@]}
 usermod -a -G Debian-exim $u
-if [[ -d /m/md ]]; then
-  sudo -u $u ln -sf -T /Maildir /m/md/bounces
-fi
+for d in /Maildir /root/Maildir; do
+  if [[ ! -L $d ]]; then
+    rm -rf $d
+  fi
+  ln -sf -T /m/md/bounces $d
+done
 
 # put spool dir in directory that spans multiple distros.
 # based on http://www.postfix.org/qmgr.8.html and my notes in gnus
@@ -867,10 +876,13 @@ systemctl restart exim4
 systemctl enable exim4
 
 
-if [[ $HOSTNAME == $MAIL_HOST ]]; then
-  cat >/etc/cron.d/mailtest <<'EOF'
-*/10 * * * *   iank echo body_test | mail -s "primary_test $(date +%s) $(date +%Y-%m-%dT%H:%M:%S%z)" iank@posteo.de
-2/10 * * * *   root /usr/local/bin/mailtest-check
+if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
+  cat >/etc/cron.d/mailtest <<EOF
+SHELL=/bin/bash
+# running as user just because no need to run as root
+*/10 * * * *   $u echo body_test | mail -s "primary_test \$(date +%s) \$(date +%Y-%m-%dT%H:%M:%S%z)" iank@posteo.de
+*/10 * * * *   $u /usr/local/bin/mailtest-check
+*/10 * * * *   root chmod -R g+rw /m/md/bounces
 EOF
   cp /a/bin/distro-setup/filesystem/usr/local/bin/mailtest-check /usr/local/bin
 else
@@ -881,7 +893,7 @@ fi
 # for when MAIL_HOST changes, so radicale gets the synced files and
 # does not stop us from remounting /o.
 if dpkg -s radicale &>/dev/null; then
-  if [[ $HOSTNAME == $MAIL_HOST ]]; then
+  if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
     systemctl restart radicale
     systemctl enable radicale
     if [[ -e /etc/logrotate.d/radicale.disabled ]]; then