diff --git a/_Sidebar.md b/_Sidebar.md
index 42f933d..1388119 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -22,9 +22,7 @@
 * [[Docker-compose installation]]: Linux, Windows, Mac, Synology, QNAP
 * [Configure IMAP push](https://github.com/EGroupware/egroupware/wiki/IMAP-Push-Notifications)
 
-**[19.1 Installation & Update](https://github.com/EGroupware/egroupware/wiki/19.1--Installation-using-egroupware-docker-RPM-DEB-package)**
-* [General information](https://github.com/EGroupware/egroupware/wiki/19.1--Installation-using-egroupware-docker-RPM-DEB-package)
-* [Release notes and distribution specific instructions](https://github.com/EGroupware/egroupware/wiki/19.1-Release-notes-and-distribution-specific-instructions)
+**[EGroupware Mail server](https://github.com/EGroupware/egroupware/wiki/EGrouwareMail)**
 
 **[OpenID Connect / OAuth2](https://github.com/EGroupware/egroupware/wiki/OpenID-Connect----OAuth2)**
 
@@ -46,6 +44,10 @@
 * [[Add non-EGroupware User]](https://github.com/EGroupware/egroupware/wiki/Rocketchat-Integration#Add-non-EGroupware-User)
 * [[File Upload]](https://github.com/EGroupware/egroupware/wiki/Rocketchat-Integration#File-Upload)
 
+**[19.1 Installation & Update](https://github.com/EGroupware/egroupware/wiki/19.1--Installation-using-egroupware-docker-RPM-DEB-package)**
+* [General information](https://github.com/EGroupware/egroupware/wiki/19.1--Installation-using-egroupware-docker-RPM-DEB-package)
+* [Release notes and distribution specific instructions](https://github.com/EGroupware/egroupware/wiki/19.1-Release-notes-and-distribution-specific-instructions)
+
 **[17.1 Installation](https://github.com/EGroupware/egroupware/wiki/Installation)**
 * [Ubuntu Installation](https://github.com/EGroupware/egroupware/wiki/Installation)
 * [[Debian Installation]]