From 799dc834e0fe94ed62c0d6bb65e6d15a639ab668 Mon Sep 17 00:00:00 2001
From: Lexi Winter <lexi@le-fay.org>
Date: Sat, 12 Jul 2025 07:52:42 +0100
Subject: initial commit

---
 postfix.sh | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 postfix.sh

(limited to 'postfix.sh')

diff --git a/postfix.sh b/postfix.sh
new file mode 100644
index 0000000..9e37e33
--- /dev/null
+++ b/postfix.sh
@@ -0,0 +1,26 @@
+# This source code is released into the public domain.
+#
+# The Postfix mynetworks.ldap file is a list of "<prefix> OK", one per line.
+# Since this is a cidr map, there's no need to run postmap, but we do have
+# to reload postfix.
+
+POSTFIX_FILE="/usr/local/etc/postfix/mynetworks.ldap"
+POSTFIX_TEMP="${POSTFIX_FILE}.ldaptmp"
+
+if [ ! -f "$POSTFIX_FILE" ]; then
+	exit 0
+fi
+
+awk <"$NETWORKS_FILE" >"$POSTFIX_TEMP" '{ print $1 " OK" }'
+
+if cmp -s "$POSTFIX_TEMP" "$POSTFIX_FILE"; then
+	rm "$POSTFIX_TEMP"
+	exit 0
+fi
+
+printf '%s updated:\n\n' "$POSTFIX_FILE"
+diff "$POSTFIX_FILE" "$POSTFIX_TEMP"
+printf '\n'
+
+mv "$POSTFIX_TEMP" "$POSTFIX_FILE" 
+/usr/local/sbin/postfix reload
-- 
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