From f3f84d8d4fb5e1ee2c5d4c69aac6996b5df8165b Mon Sep 17 00:00:00 2001
From: Darren 'Tadgy' Austin <darren@afterdark.org.uk>
Date: Sat, 20 Aug 2022 20:28:16 +0100
Subject: [PATCH] Use  to get hostname.

---
 base-files/mail.conf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/base-files/mail.conf b/base-files/mail.conf
index 0ffc1b1..28e24e6 100644
--- a/base-files/mail.conf
+++ b/base-files/mail.conf
@@ -1,6 +1,6 @@
 # This file is sourced by various scripts that need to send emails.
 
-case "${HOSTNAME#*.}" in
+case "$(hostname -d)" in
   afterdark.lan)
     EMAIL_DOMAIN="afterdark.org.uk"
     ;;