diff --git a/caddy/Caddyfile b/caddy/Caddyfile
index 109fa70..829dbfb 100644
--- a/caddy/Caddyfile
+++ b/caddy/Caddyfile
@@ -262,4 +262,16 @@ annavillesda.org {
 }
 www.annavillesda.org {
     redir https://annavillesda.org{uri} permanent
+}
+# -----------------
+# just for certificate generation
+# -----------------
+mail.andreasknuth.de {
+    reverse_proxy nginx-mailcow:8080
+}
+web.email-bayarea.com {
+    reverse_proxy nginx-mailcow:8080
+}
+mail.email-srvr.com autodiscover.mail.email-srvr.com autoconfig.mail.email-srvr.com {
+    reverse_proxy nginx-mailcow:8080
 }
\ No newline at end of file