diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 3453148f..0a1eb500 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -23,3 +23,9 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
 This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind welcome!
+
+____
+
+Note:
+
+We started using [all-contributors](https://github.com/all-contributors/all-contributors) in July 2021. We will add contributors with their future PRs or Issues. If you are [one of the 200+](https://github.com/docker-mailserver/docker-mailserver/graphs/contributors) that contributed to the project in the past and would like to see your name here too, please reach out!