diff --git a/sgx-bwmsgsv2.rb b/sgx-bwmsgsv2.rb
index 5f82ac79e6521b40689a8b3c2b4e379da1ac3f2a..6e36a138141590194fc4e669d411473b7e829a2c 100755
--- a/sgx-bwmsgsv2.rb
+++ b/sgx-bwmsgsv2.rb
@@ -344,6 +344,15 @@ module SGXbwmsgsv2
 				numbers = num_dest.split(',')
 				if numbers.length > 1
 					# TODO: validate each element of numbers
+
+					if numbers.sort != numbers
+						# TODO: send regular msg re err
+
+						# TODO: sorted JID in gone body
+						next EMPromise.reject([:cancel,
+							'gone'])
+					end
+
 					next numbers
 				end