Replaced doc link with reference

Author: TimoBakx

mailer.rst

@@ -93,6 +93,8 @@ native        ``native://default``                      Mailer uses the sendmail
     It's highly recommended to NOT use ``native://default`` as you cannot control
     how sendmail is configured (prefer using ``sendmail://default`` if possible).
 
+.. _mailer_3rd_party_transport:
+
 Using a 3rd Party Transport
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

webhook.rst

@@ -27,7 +27,7 @@ Any type name can be used as long as it's unique. Make sure to use it in the
 routing configuration, the webhook URL and the RemoteEvent consumer.
 
 Install the third party mailer as described in the documentation of the
-:doc:`Mailer component </mailer>`.
+:ref:`Mailer component <mailer_3rd_party_transport>`.
 
 The Webhook component routing needs to be defined: