diff --git a/charts/kan/templates/external-secret.yaml b/charts/kan/templates/external-secret.yaml
index cd969b9..1cb8069 100644
--- a/charts/kan/templates/external-secret.yaml
+++ b/charts/kan/templates/external-secret.yaml
@@ -16,10 +16,11 @@ spec:
       data:
         BETTER_AUTH_SECRET: "{{ `{{ .better_auth_secret }}` }}"
         POSTGRES_URL: "postgresql://postgres:{{ `{{ .postgres_password }}` }}@postgres.postgres.svc.cluster.local:5432/kan?sslmode=disable"
-        EMAIL_SERVER_HOST: "{{ `{{ .ses_smtp_endpoint }}` }}"
-        EMAIL_SERVER_PORT: "587"
-        EMAIL_SERVER_USER: "{{ `{{ .ses_smtp_user }}` }}"
-        EMAIL_SERVER_PASSWORD: "{{ `{{ .ses_smtp_password }}` }}"
+        SMTP_HOST: "{{ `{{ .ses_smtp_endpoint }}` }}"
+        SMTP_PORT: "587"
+        SMTP_USER: "{{ `{{ .ses_smtp_user }}` }}"
+        SMTP_PASSWORD: "{{ `{{ .ses_smtp_password }}` }}"
+        SMTP_SECURE: "false"
         EMAIL_FROM: "noreply@{{ .Values.domain }}"
   data:
     - secretKey: better_auth_secret