diff --git a/_overrides/main.html b/_overrides/main.html
index fb21fd51e..79fe0e78b 100644
--- a/_overrides/main.html
+++ b/_overrides/main.html
@@ -46,7 +46,9 @@
 
 {% endblock %}
 
-
+{% block announce %}
+There's currently an issue with emails from n8n. This affects workflow sharing. It should be resolved soon, and a workaround is available. Refer to [the forum thread](https://community.n8n.io/t/n8n-sharing-and-inviting-users-performance-issues/44687/1){:target=_blank .external-link} for details.
+{% endblock %}
 
 {% block container %}
 
diff --git a/docs/courses/level-one/index.md b/docs/courses/level-one/index.md
index a07cfe626..6bb4b43cb 100644
--- a/docs/courses/level-one/index.md
+++ b/docs/courses/level-one/index.md
@@ -6,6 +6,10 @@ contentType: overview
 
 Welcome to the **n8n Course Level 1**!
 
+/// warning | Issues with course sign-up
+There's currently an issue with emails from n8n, including course sign-up. This should be resolved soon. Follow [the forum thread](https://community.n8n.io/t/n8n-sharing-and-inviting-users-performance-issues/44687/1){:target=_blank .external-link} for updates.
+///
+
 ## Is this course right for me?
 
 This course introduces you to the fundamental concepts within n8n and develops your low-code automation expertise.
diff --git a/docs/courses/level-two/index.md b/docs/courses/level-two/index.md
index 6cf517967..c80906b21 100644
--- a/docs/courses/level-two/index.md
+++ b/docs/courses/level-two/index.md
@@ -6,6 +6,10 @@ contentType: overview
 
 Welcome to the **n8n Course Level 2**!
 
+/// warning | Issues with course sign-up
+There's currently an issue with emails from n8n, including course sign-up. This should be resolved soon. Follow [the forum thread](https://community.n8n.io/t/n8n-sharing-and-inviting-users-performance-issues/44687/1){:target=_blank .external-link} for updates.
+///
+
 ## Is this course right for me?
 
 This course is for you if you:
diff --git a/mkdocs.yml b/mkdocs.yml
index b9b937baa..aeaa49792 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -38,7 +38,7 @@ theme:
     - navigation.footer
     # https://squidfunk.github.io/mkdocs-material/setup/setting-up-navigation/#section-index-pages
     - navigation.indexes
-    #https://squidfunk.github.io/mkdocs-material/setup/setting-up-navigation/#instant-loading
+    # https://squidfunk.github.io/mkdocs-material/setup/setting-up-navigation/#instant-loading
     - navigation.instant
     # https://squidfunk.github.io/mkdocs-material/setup/setting-up-navigation/#navigation-path
     - navigation.path