diff --git a/MailServerInstall.md b/MailServerInstall.md
index 9f5dacc..b628adf 100644
--- a/MailServerInstall.md
+++ b/MailServerInstall.md
@@ -1,3 +1,6 @@
 # Installation Serveur Mail 
 
-
+## Installation de Postfix 
+```console 
+root@serveur:~# apt-get install postfix-mysql 
+```