diff --git a/SysadminTips.page b/SysadminTips.page
index 610c193..6d84ebc 100644
--- a/SysadminTips.page
+++ b/SysadminTips.page
@@ -1,3 +1,10 @@
+Send a mail from queue.
+
+```
+postcat -q ID > mail
+< mail sendmail -f FROM TO
+```
+
 Python Simple HTTP Server (useful for Munin for example).
 
 ```