diff --git a/docs/topics/extensions.rst b/docs/topics/extensions.rst
index 9e86fd0fe..297e1fdc5 100644
--- a/docs/topics/extensions.rst
+++ b/docs/topics/extensions.rst
@@ -323,6 +323,11 @@ domain has finished scraping, including the Scrapy stats collected. The email
 will be sent to all recipients specified in the :setting:`STATSMAILER_RCPTS`
 setting.
 
+Emails can be sent using the :class:`~scrapy.mail.MailSender` class. To see a
+full list of parameters, including examples on how to instantiate
+:class:`~scrapy.mail.MailSender` and use mail settings, see
+:ref:`topics-email`.
+
 .. module:: scrapy.extensions.debug
    :synopsis: Extensions for debugging Scrapy