diff --git a/blacklist_sender_domain.map b/blacklist_sender_domain.map
index 2d70393..7988f69 100644
--- a/blacklist_sender_domain.map
+++ b/blacklist_sender_domain.map
@@ -8,3 +8,6 @@ sys.ba
 callloop.com
 tholen-gruppe.de
 smtpcheck.co
+vistainfosec.com
+chrislewisuk.co.uk
+akabomedia.co.uk