From c80027a5a82eee8a6fe7c01a801d110db4cb2981 Mon Sep 17 00:00:00 2001
From: Mauro Torrez <maurete@users.noreply.github.com>
Date: Sun, 7 Aug 2022 18:50:47 -0300
Subject: [PATCH] add default variable

---
 Dockerfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Dockerfile b/Dockerfile
index 2af82e0..f6ce004 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -40,6 +40,7 @@ ENV POSTSCREEN_DNSBL_THRESHOLD="3"
 ENV POSTSCREEN_DNSBL_WHITELIST_THRESHOLD="-1"
 ENV POSTSCREEN_GREET_ACTION="enforce"
 ENV RELAYHOST=""
+ENV SMTP_FALLBACK_RELAY=""
 ENV SMTP_SASL_AUTH_ENABLE=""
 ENV SMTP_SASL_PASSWORD_MAPS=""
 ENV SMTP_SASL_SECURITY_OPTIONS=""