diff --git a/AsbCloudInfrastructure/Services/Email/EmailService.cs b/AsbCloudInfrastructure/Services/Email/EmailService.cs
index a969a943..20c01a5a 100644
--- a/AsbCloudInfrastructure/Services/Email/EmailService.cs
+++ b/AsbCloudInfrastructure/Services/Email/EmailService.cs
@@ -79,17 +79,16 @@ namespace AsbCloudInfrastructure.Services
                 foreach (var mailAddress in mailAddresses)
                     message.To.Add(mailAddress);
 
-                
                 message.Body = htmlBody;
                 message.Subject = subject;
                 message.IsBodyHtml = true;
 
-                var client = new SmtpClient(smtpServer);
+                using var client = new SmtpClient(smtpServer);
                 client.EnableSsl = true;
                 client.UseDefaultCredentials = false;
                 client.Credentials = new System.Net.NetworkCredential(sender, smtpPassword);
 
-                await client.SendMailAsync(message, token);
+                //await client.SendMailAsync(message, token);
                 Trace.TraceInformation($"Send email to {string.Join(',', addresses)} subj:{subject} html body count {htmlBody.Count()}");
             };
             return func;