diff --git a/lib/domains/blacklist.txt b/lib/domains/blacklist.txt
index 9b72371fad..463fac926b 100644
--- a/lib/domains/blacklist.txt
+++ b/lib/domains/blacklist.txt
@@ -122,4 +122,11 @@ stu.zuel.edu.cn
 uotago.ac.nz
 xzyz.edu.cn
 edu.uca.ma
-pekingwebmail.tech
\ No newline at end of file
+pekingwebmail.tech
+apus.edu
+students.uwc.edu
+mail.broward.edu
+mymail.aacc.edu
+madisoncollege.edu
+email.cpcc.edu
+stlcc.edu
\ No newline at end of file