From 6f6f9d20f09f57bf0e295c28c21dcd9d242bb341 Mon Sep 17 00:00:00 2001
From: Wim Van Laer <wim+github@zitadel.com>
Date: Thu, 5 Feb 2026 11:40:59 +0100
Subject: [PATCH] fix(api): make auth not required for testing smtp (#11514)

# Which Problems Are Solved

With the xoath introduction an `auth` oneof was added to the proto. This
was made because one of the authentication methods should always be
selected. This however, created a backwards compatibility issue.

# How the Problems Are Solved

Don't make `auth` required.

# Additional Changes


# Additional Context
---
 proto/zitadel/admin.proto | 1 -
 1 file changed, 1 deletion(-)

diff --git a/proto/zitadel/admin.proto b/proto/zitadel/admin.proto
index c9185d31b..6e195ab85 100644
--- a/proto/zitadel/admin.proto
+++ b/proto/zitadel/admin.proto
@@ -5300,7 +5300,6 @@ message TestEmailProviderSMTPRequest {
         }
     ];
     oneof Auth {
-        option (validate.required) = true;
         SMTPNoAuth none = 9;
         SMTPPlainAuth plain = 10;
         SMTPXOAuth2Auth xoauth2 = 11;