diff --git a/Troubleshooting-Mail.md b/Troubleshooting-Mail.md
index 7413ae7..466ee75 100644
--- a/Troubleshooting-Mail.md
+++ b/Troubleshooting-Mail.md
@@ -1,3 +1,5 @@
+[Uberspace Email](https://github.com/wekan/wekan/issues/2009#issuecomment-1017630758)
+
 ## Newest Wekan
 
 In [Wekan v5.02](https://github.com/wekan/wekan/blob/master/CHANGELOG.md#v502-2021-03-02-wekan-release) is fix for STMP settings [that works with very happy feedback](https://github.com/wekan/wekan/issues/3529#issuecomment-789085999). It requires: