Reinstate statistics which is currently not used. Remove unneeded line in

Dockerfile.

setup/Dockerfile

@@ -14,10 +14,6 @@ COPY main.py ./main.py
 
 RUN echo $VERSION >> /version
 
-#Note: This is appended so we can explicitly check if this JS file has been loaded
-#by the user's internet browser when accessing the setup site.
-RUN echo var jQueryMailu=\'loaded\'\; >> ./static/jquery.min.js
-
 EXPOSE 80/tcp
 HEALTHCHECK --start-period=350s CMD curl -skfLo /dev/null http://localhost/
 USER mailu

setup/flavors/compose/mailu.env

@@ -39,6 +39,9 @@ AUTH_RATELIMIT_IP={{ auth_ratelimit_ip }}/hour
 AUTH_RATELIMIT_USER={{ auth_ratelimit_user }}/day
 {% endif %}
 
+# Opt-out of statistics, replace with "True" to opt out
+DISABLE_STATISTICS={{ disable_statistics or 'False' }}
+
 ###################################
 # Optional features
 ###################################

setup/templates/steps/config.html

@@ -58,6 +58,13 @@ Or in plain English: if receivers start to classify your mail as spam, this post
   </p>
 </div>
 
+<div class="form-check form-check-inline">
+  <label class="form-check-label">
+    <input class="form-check-input" type="checkbox" name="disable_statistics" value="True">
+    Opt-out of statistics
+  </label>
+</div>
+
 <div class="form-group">
   <label>Website name</label>
   <input class="form-control" type="text" name="site_name" value="Mailu" required>