diff --git a/email-backup b/email-backup
index a819a4a..682cfbc 100644
--- a/email-backup
+++ b/email-backup
@@ -24,6 +24,7 @@
 :global LogPrintExit2;
 :global MkDir;
 :global RandomDelay;
+:global RequiredRouterOS;
 :global ScriptFromTerminal;
 :global SendEMail2;
 :global SymbolForNotification;
@@ -62,6 +63,11 @@ $WaitFullyConnected;
 
 # create configuration export
 :if ($BackupSendExport = true) do={
+  :if ([ $RequiredRouterOS $0 "7.1rc1" false ] = true) do={
+    $LogPrintExit2 warning $0 ("RouterOS v7 hides sensitive information on export. " . \
+      "Switch to branch 'routeros-v7' for full export.") false;
+  }
+
   / export terse file=$FilePath;
   $WaitForFile ($FilePath . ".rsc");
   :set ConfigFile ($FileName . ".rsc");