alarm-email.sh should exit if there is no way to send an email

diff --git a/plugins.d/alarm-email.sh b/plugins.d/alarm-email.sh
index 3f1176b156f5a2475044f198f05c022f50ee920a..e90aa0d4ef7db745db166a1b9e2a9db67988b782 100755 (executable)
--- a/plugins.d/alarm-email.sh
+++ b/plugins.d/alarm-email.sh
@@ -6,6 +6,7 @@ sendmail="$(which sendmail 2>/dev/null || command -v sendmail 2>/dev/null)"
 if [ -z "${sendmail}" ]
 then
     echo >&2 "I cannot send emails - there is no sendmail command available."
+    exit 1
 fi
 
 default_recipient_for_all_roles="root"