fix(email): test saved SMTP config and add TLS modes (#3388)

fluxer_admin/src/api/instance_config.rs

@@ -4,7 +4,7 @@ use super::client::{AdminApiClient, ApiResult};
 use super::types::{
     AccountIdentitySettings, CreateRegistrationUrlRequest, CreateRegistrationUrlResponse,
     InstanceAccountIdentityDiscovery, InstanceConfigResponse, InstanceConfigUpdateRequest,
-    InstanceEmailSmtpTestRequest, InstanceEmailSmtpTestResponse, InstancePremiumDiscovery,
+    InstanceEmailSmtpTestResponse, InstancePremiumDiscovery,
 };
 
 impl AdminApiClient {
@@ -34,11 +34,10 @@ impl AdminApiClient {
             .await
     }
 
-    pub async fn test_instance_smtp_config(
+    pub async fn test_saved_instance_smtp_config(
         &self,
-        request: &InstanceEmailSmtpTestRequest,
     ) -> ApiResult<InstanceEmailSmtpTestResponse> {
-        self.post_typed("/admin/instance/config/smtp-tests", request)
+        self.post_typed("/admin/instance/config/smtp-tests", &serde_json::json!({}))
             .await
     }
 

fluxer_admin/src/api/types/instance_config.rs

@@ -229,7 +229,8 @@ pub struct InstanceEmailSmtpIntegrationResponse {
     pub username: Option<String>,
     #[serde(default)]
     pub password_set: bool,
-    pub secure: Option<bool>,
+    pub tls_mode: Option<String>,
+    pub effective_tls_mode: Option<String>,
 }
 
 #[derive(Clone, Debug, Default, Deserialize, Serialize)]
@@ -873,7 +874,7 @@ pub struct InstanceEmailSmtpIntegrationUpdateRequest {
     #[serde(skip_serializing_if = "Option::is_none")]
     pub password: Option<String>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub secure: Option<bool>,
+    pub tls_mode: Option<Option<String>>,
 }
 
 #[derive(Clone, Debug, Default, Serialize)]
@@ -928,15 +929,6 @@ pub struct InstanceAttachmentDecayUpdateRequest {
     pub renew_window_days: Option<u32>,
 }
 
-#[derive(Clone, Debug, Default, Serialize)]
-pub struct InstanceEmailSmtpTestRequest {
-    pub host: String,
-    pub port: u16,
-    pub username: String,
-    pub password: String,
-    pub secure: bool,
-}
-
 #[derive(Clone, Debug, Default, Deserialize, Serialize)]
 pub struct InstanceEmailSmtpTestResponse {
     #[serde(default)]