Index: umc/python/appcenter/app_center.py
===================================================================
--- umc/python/appcenter/app_center.py	(Revision 45999)
+++ umc/python/appcenter/app_center.py	(Arbeitskopie)
@@ -1240,6 +1240,8 @@
 		return status == 200
 
 	def _send_information(self, action, status):
+		if not self.get('notifyvendor'):
+			return
 		ucr.load()
 		server = self.get_server(with_scheme=True)
 		url = '%s/postinst' % (server, )