edited docs

docs/source/signals.rst

@@ -1,9 +1,9 @@
 Signals
 ============
 
-Each time an email is added to the mail queue, Post Office emits a special `Django signal <https://docs.djangoproject.com/en/5.1/topics/signals/>`_.
+Each time an email is added to the mail queue, Sendmail emits a special `Django signal <https://docs.djangoproject.com/en/5.1/topics/signals/>`_.
 Whenever a third party application wants to be informed about this event,
-it shall connect a callback function to the Post Office's signal handler ``email_queued``, for instance:
+it shall connect a callback function to the Sendmail signal handler ``email_queued``, for instance:
 
 .. code-block:: python
 
@@ -18,5 +18,24 @@ The Emails objects added to the queue are passed as list to the callback handler
 
 **Note** when you use :ref:`mail.send_many()` you will get emails batch by batch.
 
+If you are using :ref:`Email Tracking` feature and want to extend the behavior of 
+email open and click views you can connect to ``email_opened`` and ``email_clicked`` signals.
 
+For example to save the latest opened and clicked timestamps instead of first ones:
+
+.. code-block:: python
+
+    from django.dispatch import receiver
+    from sendmail.signals import email_opened, email_clicked
+    from django.utils import timezone
+    
+    @receiver(email_opened)
+    def change_opened_at(sender, email, **kwargs):
+        email.opened_at = timezone.now()
+        email.save()
+        
+    @receiver(email_clicked)
+    def change_clicked_at(sender, email, **kwargs):
+        email.clicked_at = timezone.now()
+        email.save()