Update 2025-04-13_16:21:50

remove_nonexistent_rules.sh

@@ -0,0 +1,65 @@
+#!/bin/zsh
+# Script Version: 01
+# Description: Removes non-existent rules from SpamAssassin local.cf configuration file.
+
+# Variables
+# ========
+CONFIG_FILE="/etc/mail/spamassassin/local.cf"
+BACKUP_FILE="/etc/mail/spamassassin/local.cf.bak"
+TEMP_FILE=$(mktemp /tmp/local.cf.temp.XXXXXX)
+
+# Backup original config
+# ========
+if ! cp "$CONFIG_FILE" "$BACKUP_FILE"; then
+    echo "Error: Backup of $CONFIG_FILE to $BACKUP_FILE failed. Aborting." >&2
+    exit 1
+fi
+echo "Backup of local.cf saved to $BACKUP_FILE"
+
+# Extract non-existent rules from SpamAssassin lint output
+# ========
+RULES=$(spamassassin --lint -D 2>&1 | grep 'warning: score set for non-existent rule' | awk '{print $NF}' | sort | uniq)
+
+if [ -z "$RULES" ]; then
+    echo "No non-existent rules found in the lint output."
+    rm -f "$TEMP_FILE"  # Clean up the temporary file
+    exit 0
+fi
+
+echo "Non-existent rules to be removed:"
+echo "$RULES"
+
+# Remove non-existent rules from the config file
+# ========
+cp "$CONFIG_FILE" "$TEMP_FILE"
+
+while read -r RULE; do
+    sed -i "/^score\s\+$RULE\b/d" "$TEMP_FILE"
+done <<< "$RULES"
+
+# Overwrite the original config
+# ========
+if mv "$TEMP_FILE" "$CONFIG_FILE"; then
+    echo "Non-existent rules removed from $CONFIG_FILE"
+else
+    echo "Error: Failed to update $CONFIG_FILE. Aborting." >&2
+    rm -f "$TEMP_FILE"  # Clean up in case of failure
+    exit 1
+fi
+
+# Restart SpamAssassin to apply changes
+# ========
+echo "Restarting SpamAssassin..."
+if systemctl restart spamassassin; then
+    echo "SpamAssassin restarted successfully."
+    if ! systemctl is-active --quiet spamassassin; then
+        echo "Error: SpamAssassin is not active after restart." >&2
+        exit 1
+    fi
+else
+    echo "Error: Failed to restart SpamAssassin." >&2
+    exit 1
+fi
+
+exit 0
+