diff --git a/Resources/Private/Static/DisallowedMailProviders.txt b/Resources/Private/Static/DisallowedMailProviders.txt
index 26e72cdd..d281e8ae 100644
--- a/Resources/Private/Static/DisallowedMailProviders.txt
+++ b/Resources/Private/Static/DisallowedMailProviders.txt
@@ -263,6 +263,7 @@ e-mail.com
 e-mail.org
 e4ward.com
 easytrashmail.com
+ebuthor.com
 ee1.pl
 ee2.pl
 eelmail.com