tutorials/nullmailer.md

@@ -76,6 +76,12 @@ If you specify an email address in this file, then all mails have this address a
 from@example.com
 ```
 
+# Check sending an email
+
+```
+ echo "error" | NULLMAILER_NAME="Testsystem check" mail -s "This is just a test with nullmailer" "target-email-address@your-domain.net"
+```
+
 # Further documentation
 
 http://www.troubleshooters.com/linux/nullmailer/