Enabled NetmailPolicy, users can see netmail if they are in the seen-by, a ZC or admin

app/Policies/NetmailPolicy.php

@@ -14,10 +14,10 @@ class NetmailPolicy
 	 * This determines whether a logged-in user can view a netmail
 	 *
 	 * @param User $user
-	 * @param Netmail $netmail
+	 * @param Netmail $o
 	 * @return bool
 	 */
-	public function view(User $user, Netmail $netmail): bool
+	public function view(User $user, Netmail $o): bool
 	{
 		$zones = $user->zc()->pluck('zone')
 			//->merge($user->rc()->pluck('zone'))
@@ -28,8 +28,8 @@ class NetmailPolicy
 		// Site Admins can always view
 		return (
 			$user->isAdmin()
-			|| ($zones->contains($netmail->fftn->zone))
-			|| ($zones->contains($netmail->tftn->zone))
+			|| ($zones->contains($o->fftn->zone))
+			|| ($zones->contains($o->tftn->zone))
 		);
 	}
 }