diff --git a/k8s/matrix/mas/config.yaml b/k8s/matrix/mas/config.yaml
index 50dff66..18f4662 100644
--- a/k8s/matrix/mas/config.yaml
+++ b/k8s/matrix/mas/config.yaml
@@ -82,8 +82,8 @@ upstream_oauth2:
           action: suggest
           template: "{{ user.name }}"
         email:
-          action: suggest
-          template: "{{ user.email }}"
+          action: require
+          template: "{{ user.name }}@janky.solutions"
           set_email_verification: always
 account:
-  email_change_allowed: false
+  email_change_allowed: true