diff --git a/roles/spamassassin/files/local.cf b/roles/spamassassin/files/local.cf
index 5aa5005..dc67c35 100644
--- a/roles/spamassassin/files/local.cf
+++ b/roles/spamassassin/files/local.cf
@@ -247,6 +247,7 @@ whitelist_from *@chichiclothing.com
 whitelist_from dmarcreport@microsoft.com
 
 # Blacklist manuel
+blacklist_from *@*.biz
 blacklist_from *@willsells.de
 blacklist_from *@*.nom.es
 blacklist_from *@locdog.de