diff --git a/app/email_domains.yml b/app/email_domains.yml
index 319187a48..7f9b39d44 100644
--- a/app/email_domains.yml
+++ b/app/email_domains.yml
@@ -49,3 +49,4 @@
 - skillsforcare.org.uk
 - judicialappointments.digital
 - lewishamhomes.org.uk
+- caa.co.uk