diff --git a/components/email/email-viewer.tsx b/components/email/email-viewer.tsx
index 81c7ed42..f92b435a 100644
--- a/components/email/email-viewer.tsx
+++ b/components/email/email-viewer.tsx
@@ -3881,7 +3881,7 @@ export function EmailViewer({
       )}
 
       {/* Email Content Area */}
-      <div className={cn("flex-1 overflow-auto bg-muted/30", isMobile && "pb-16")}>
+      <div className={cn("flex-1 overflow-auto overscroll-contain bg-muted/30", isMobile && "pb-16")}>
 
       {/* === SENDER INFO (Desktop) === */}
       <div className="hidden lg:block bg-background border-b border-border px-6" style={{ paddingBlock: 'var(--density-header-py)' }}>