diff --git a/lib/domains/blacklist.txt b/lib/domains/blacklist.txt
index 740c0182fb..97c188036c 100644
--- a/lib/domains/blacklist.txt
+++ b/lib/domains/blacklist.txt
@@ -67,4 +67,6 @@ mail.alumni.edu.vn
 t.edu.vn
 stu.t.edu.vn
 email.t.edu.vn
-student.mtsac.edu
\ No newline at end of file
+student.mtsac.edu
+sbcc.edu
+pipeline.sbcc.edu
\ No newline at end of file