Use onion address as the main email address on onion-only installs

src/freedombone-base-email

     fi
 }
 
-function configure_email_onion {
-    if [[ $(is_completed "${FUNCNAME[0]}") == "1" ]]; then
-        return
-    fi
-    if [[ "$SYSTEM_TYPE" == "mesh"* ]]; then
-        return
-    fi
-
+function create_email_onion_address {
     if ! grep -q "hidden_service_email" /etc/tor/torrc; then
         { echo 'HiddenServiceDir /var/lib/tor/hidden_service_email/';
           echo 'HiddenServiceVersion 3';
           echo 'HiddenServicePort 25 127.0.0.1:25';
           echo 'HiddenServicePort 587 127.0.0.1:587';
           echo 'HiddenServicePort 465 127.0.0.1:465'; } >> /etc/tor/torrc
-    fi
 
-    function_check onion_update
-    onion_update
+        function_check onion_update
+        onion_update
+
+        function_check wait_for_onion_service
+        wait_for_onion_service email
 
-    function_check wait_for_onion_service
-    wait_for_onion_service email
+        if [ ! -f /var/lib/tor/hidden_service_email/hostname ]; then
+            echo $"email onion site hostname not found"
+            systemctl restart tor
+            exit 782352
+        fi
 
-    if [ ! -f /var/lib/tor/hidden_service_email/hostname ]; then
-        echo $"email onion site hostname not found"
-        systemctl restart tor
-        exit 782352
+        onion_address=$(cat /var/lib/tor/hidden_service_email/hostname)
+        set_completion_param "email onion domain" "${onion_address}"
+        add_email_hostname "$onion_address"
+    else
+        onion_address=$(cat /var/lib/tor/hidden_service_email/hostname)
     fi
+}
 
-    onion_address=$(cat /var/lib/tor/hidden_service_email/hostname)
-    set_completion_param "email onion domain" "${onion_address}"
-    add_email_hostname "$onion_address"
+function configure_email_onion {
+    if [[ $(is_completed "${FUNCNAME[0]}") == "1" ]]; then
+        return
+    fi
+    if [[ "$SYSTEM_TYPE" == "mesh"* ]]; then
+        return
+    fi
+
+    create_email_onion_address
 
     #apt-get -yq install tinycdb perl
 
         sed -i 's|DNSListenAddress.*|DNSListenAddress 127.0.0.1|g' /etc/tor/torrc
     fi
 
+    update-exim4.conf.template -r
     update-exim4.conf
     dpkg-reconfigure --frontend noninteractive exim4-config
     systemctl restart tor
         MY_EMAIL_ADDRESS="${MY_USERNAME}@${DEFAULT_DOMAIN_NAME}"
         write_config_param "MY_EMAIL_ADDRESS" "$MY_EMAIL_ADDRESS"
     fi
+
+    if [[ $ONION_ONLY != 'no' ]]; then
+        my_email=$onion_address
+        MY_EMAIL_ADDRESS=$onion_address
+        write_config_param "MY_EMAIL_ADDRESS" "$MY_EMAIL_ADDRESS"
+    fi
 }
 
 function backup_email {
         return
     fi
 
+    create_email_onion_address
     check_email_address_exists
     install_email_basic
     configure_email_onion