diff --git a/docs/dns.rst b/docs/dns.rst
index d2fd4131..027ce4fc 100644
--- a/docs/dns.rst
+++ b/docs/dns.rst
@@ -48,3 +48,13 @@ And for another domain, ``myotherdomain.com`` for example:
   myotherdomain.com.  IN  MX  10 mail.mydomain.com.
 
 Note that both point to the same mail server hostname, which is unique to your server.
+
+DKIM/SPF & DMARC Entries
+------------------------
+
+Finally, you'll need to visit the admin dashboard (or use the cli) to regenerate your DMARC, SPF, and DKIM records.
+
+Once the DNS changes to your host have propogated (and if SSL / domain rules were setup correctly), visit your admin
+dashboard at https://example.com/admin/ui/domain/details/example.com. Click on `regenerate keys` and add the required
+records to your DNS provider. If you've enabled DKIM/SPF / DMARC and haven't added these entries, your mail might
+not get delivered.
diff --git a/docs/faq.rst b/docs/faq.rst
index 8d6b283f..7b82a3cd 100644
--- a/docs/faq.rst
+++ b/docs/faq.rst
@@ -312,6 +312,11 @@ down and up again. A container restart is not sufficient.
 
 *Issue reference:* `615`_.
 
+Access Denied Errors
+--------------------
+
+While this may be due to several issues, check to make sure your ``DOMAIN=`` entry is the **first** entry in your ``HOSTNAMES=``.
+
 TLS certificate issues
 ``````````````````````
 
diff --git a/docs/setup.rst b/docs/setup.rst
index eb79a697..df387c51 100644
--- a/docs/setup.rst
+++ b/docs/setup.rst
@@ -61,6 +61,10 @@ Perform the specific setup steps
 Specific setup steps are described per flavor (Compose, Kubernetes, etc.)
 and you should follow the steps after completing the requirements.
 
+After setting up your flavor, continue to the DNS setup instructions,
+additional steps in the admin dashboard will be needed to generate your
+DMARC and SPF/DKIM keys.
+
 Make sure that you test properly before going live!
 
 - Try to send an email to an external service
diff --git a/setup/templates/steps/compose/03_expose.html b/setup/templates/steps/compose/03_expose.html
index c909fc9b..291ea672 100644
--- a/setup/templates/steps/compose/03_expose.html
+++ b/setup/templates/steps/compose/03_expose.html
@@ -50,7 +50,9 @@ avoid generic all-interfaces addresses like <code>0.0.0.0</code> or <code>::</co
 
 <p>You server will be available under a main hostname but may expose multiple public
 hostnames. Every e-mail domain that points to this server must have one of the
-hostnames in its <code>MX</code> record. Hostnames must be coma-separated.</p>
+hostnames in its <code>MX</code> record. Hostnames must be coma-separated. If you're having
+trouble accessing your admin interface, make sure it is the first entry here (and possibly the
+same as your <code>DOMAIN</code> entry from earlier.</p>
 
 <div class="form-group">
   <label>Public hostnames</label>
diff --git a/setup/templates/steps/stack/03_expose.html b/setup/templates/steps/stack/03_expose.html
index 5377d3bd..c5daa24d 100644
--- a/setup/templates/steps/stack/03_expose.html
+++ b/setup/templates/steps/stack/03_expose.html
@@ -11,7 +11,9 @@ you expose it to the world.</p>
 
 <p>You server will be available under a main hostname but may expose multiple public
 hostnames. Every e-mail domain that points to this server must have one of the
-hostnames in its <code>MX</code> record. Hostnames must be coma-separated.</p>
+hostnames in its <code>MX</code> record. Hostnames must be coma-separated. If you're having
+trouble accessing your admin interface, make sure it is the first entry here (and possibly the
+same as your <code>DOMAIN</code> entry from earlier.</p>
 
 <div class="form-group">
   <label>Public hostnames</label>