fix update tool

tools/update-addresses.sh

@@ -7,7 +7,7 @@ set -e
 
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 CONFIGMAP_NAME="exim-forwarder-config"
-NAMESPACE="forwarder"
+NAMESPACE="mail"
 
 # Parse command line arguments
 DRY_RUN_FLAG=""
@@ -41,4 +41,4 @@ if [[ $? -eq 0 ]]; then
 else
     echo "Failed to apply ConfigMap"
     exit 1
-fi
+fi