Add include_sender_in_reverse_alias on Setting page

app/dashboard/templates/dashboard/setting.html

@@ -305,6 +305,31 @@
     {% endif %}
     <!-- END Reverse-alias -->
 
+    <!-- Sender included in reverse-alias -->
+    <div class="card" id="sender-in-ra">
+      <div class="card-body">
+        <div class="card-title">Include sender address in reverse-alias</div>
+        <div class="mb-3">
+          By default, the reverse-alias is randomly generated and doesn't contain any information about
+          the sender.<br>
+
+          You can however enable this option to include the sender address in the reverse-alias. <br>
+          
+          This can be useful when setting up an email filter and makes the reverse-alias more readable.
+        </div>
+        <form method="post" action="#sender-in-ra">
+          <input type="hidden" name="form-name" value="sender-in-ra">
+          <div class="form-check">
+            <input type="checkbox" id="include-sender-ra" name="enable"
+                {% if current_user.include_sender_in_reverse_alias %} checked {% endif %} class="form-check-input">
+            <label for="include-sender-ra">Include sender address in reverse-alias</label>
+          </div>
+          <button type="submit" class="btn btn-outline-primary">Update</button>
+        </form>
+      </div>
+    </div>
+    <!-- END Reverse-alias -->
+
     <div class="card">
       <div class="card-body">
         <div class="card-title">Quarantine</div>

app/dashboard/views/setting.py

@@ -255,6 +255,16 @@ def setting():
             flash("Your preference has been updated", "success")
             return redirect(url_for("dashboard.setting"))
 
+        elif request.form.get("form-name") == "sender-in-ra":
+            choose = request.form.get("enable")
+            if choose == "on":
+                current_user.include_sender_in_reverse_alias = True
+            else:
+                current_user.include_sender_in_reverse_alias = False
+            db.session.commit()
+            flash("Your preference has been updated", "success")
+            return redirect(url_for("dashboard.setting"))
+
         elif request.form.get("form-name") == "export-data":
             data = {
                 "email": current_user.email,