Prevent nodejs package upgrades

src/freedombone-base-email

     #apt-get -yq install tinycdb perl
 
     # MX record should be:
-    # _onion-mx._tcp.$DEFAULT_DOMAIN_NAME. 3600 IN SRV 0 5 25 $onion_address
+    # _onion-mx._tcp
+    # 20:$onion_address
+    # 3600 IN SRV 0 5 25 $onion_address
+
+    # Test with: exim -d -bt $onion_address
 
     #echo "$DEFAULT_DOMAIN_NAME $onion_address" > /etc/exim4/onionrelay.txt
     #cdb -m -c -t ~/onionrelay.tmp /etc/exim4/onionrelay.cdb /etc/exim4/onionrelay.txt
     sed -i 's|pam_mail.so standard noenv|pam_mail.so dir=~/Maildir standard|g' /etc/pam.d/sshd
     sed -i 's|pam_mail.so nopen|pam_mail.so dir=~/Maildir nopen|g' /etc/pam.d/su
 
-    { echo "dc_eximconfig_configtype='internet'";
-      echo "dc_other_hostnames='${DEFAULT_DOMAIN_NAME};mail.${DEFAULT_DOMAIN_NAME}'";
-      echo "dc_local_interfaces=''";
+    echo "dc_eximconfig_configtype='internet'" > /etc/exim4/update-exim4.conf.conf
+
+    if [[ $ONION_ONLY == 'no' ]]; then
+        echo "dc_other_hostnames='${DEFAULT_DOMAIN_NAME};mail.${DEFAULT_DOMAIN_NAME}'" >> /etc/exim4/update-exim4.conf.conf
+    else
+        echo "dc_other_hostnames='${onion_address}'" >> /etc/exim4/update-exim4.conf.conf
+    fi
+
+    { echo "dc_local_interfaces=''";
       echo "dc_readhost=''";
       echo "dc_relay_domains=''";
-      echo "dc_minimaldns='false'"; } > /etc/exim4/update-exim4.conf.conf
+      echo "dc_minimaldns='false'"; } >> /etc/exim4/update-exim4.conf.conf
     IPv4_address=$(get_ipv4_address)
     IPv4_address_base=$(echo "$IPv4_address" | awk -F '.' '{print $1"."$2"."$3}')
     RELAY_NETS="${IPv4_address_base}.0/24"

src/freedombone-utils-nodejs

     fi
 
     $mesh_install_nodejs_prefix apt-get -yq install nodejs
+    $mesh_install_nodejs_prefix apt-mark -q hold nodejs
 
     if [ -f "$rootdir/usr/bin/nodejs" ]; then
         cp "$rootdir/usr/bin/nodejs" "$rootdir/usr/bin/node"