From fd62d4de1034962d80d8ecd649f603ea04c419df Mon Sep 17 00:00:00 2001
From: Ian Kelling <ian@iankelling.org>
Date: Mon, 17 Apr 2017 01:42:29 -0700
Subject: [PATCH] Add documentation of SMTP_DOMAIN (#1738)

Without setting it, exim will reject the mail with a message like:
rejected EHLO from [10.20.0.1]: syntactically invalid argument(s): {}
---
 .env.production.sample | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.env.production.sample b/.env.production.sample
index 0759ed7fa..28afee246 100644
--- a/.env.production.sample
+++ b/.env.production.sample
@@ -42,6 +42,7 @@ SMTP_PORT=587
 SMTP_LOGIN=
 SMTP_PASSWORD=
 SMTP_FROM_ADDRESS=notifications@example.com
+#SMTP_DOMAIN= # defaults to LOCAL_DOMAIN
 #SMTP_DELIVERY_METHOD=smtp # delivery method can also be sendmail
 #SMTP_AUTH_METHOD=plain
 #SMTP_OPENSSL_VERIFY_MODE=peer