From b4cde28f0c82217fd24acce7283a8e1f4cbafd2b Mon Sep 17 00:00:00 2001
From: Michael Lewkowski <michael@lewkowski.de>
Date: Wed, 1 Jun 2016 09:30:53 +0200
Subject: added smtp_message to the listed envrionment variables

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 5e58f03..783c2d5 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@ Email credentials used to send emails (like alerts)
 * `SMTP_PASSWORD`
 * `SMTP_USE_TLS`
 * `SMTP_ALWAYS_SEND`
+* `SMTP_MESSAGE`
 
 ### Alert target
 
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