diff --git a/framework/src/Volo.Abp.MailKit/Volo/Abp/MailKit/MailKitSmtpEmailSender.cs b/framework/src/Volo.Abp.MailKit/Volo/Abp/MailKit/MailKitSmtpEmailSender.cs
index 426be33c80..da99e7d4de 100644
--- a/framework/src/Volo.Abp.MailKit/Volo/Abp/MailKit/MailKitSmtpEmailSender.cs
+++ b/framework/src/Volo.Abp.MailKit/Volo/Abp/MailKit/MailKitSmtpEmailSender.cs
@@ -8,7 +8,6 @@ using MailKit.Security;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
 using MimeKit;
-using Volo.Abp.Threading;
 using SmtpClient = MailKit.Net.Smtp.SmtpClient;
 
 namespace Volo.Abp.MailKit
@@ -39,16 +38,6 @@ namespace Volo.Abp.MailKit
             }
         }
 
-        protected override void SendEmail(MailMessage mail)
-        {
-            using (var client = AsyncHelper.RunSync(BuildClientAsync))
-            {
-                var message = MimeMessage.CreateFromMailMessage(mail);
-                client.Send(message);
-                client.Disconnect(true);
-            }
-        }
-
         public async Task<SmtpClient> BuildClientAsync()
         {
             var client = new SmtpClient();
diff --git a/framework/test/Volo.Abp.MailKit.Tests/Volo/Abp/MailKit/MailKitSmtpEmailSender_Tests.cs b/framework/test/Volo.Abp.MailKit.Tests/Volo/Abp/MailKit/MailKitSmtpEmailSender_Tests.cs
index 8404b8df4e..de9acb3a0e 100644
--- a/framework/test/Volo.Abp.MailKit.Tests/Volo/Abp/MailKit/MailKitSmtpEmailSender_Tests.cs
+++ b/framework/test/Volo.Abp.MailKit.Tests/Volo/Abp/MailKit/MailKitSmtpEmailSender_Tests.cs
@@ -15,19 +15,21 @@ namespace Volo.Abp.MailKit
         {
             var mailSender = CreateMailKitEmailSender();
             var mailMessage = new MailMessage("from_mail_address@asd.com", "to_mail_address@asd.com", "subject", "body")
-                { IsBodyHtml = true };
+            { IsBodyHtml = true };
 
             await mailSender.SendAsync(mailMessage);
         }
 
         //[Fact]
-        public void ShouldSendMailMessage()
+        public async Task ShouldSendMailMessage()
         {
             var mailSender = CreateMailKitEmailSender();
             var mailMessage = new MailMessage("from_mail_address@asd.com", "to_mail_address@asd.com", "subject", "body")
-                { IsBodyHtml = true };
+            {
+                IsBodyHtml = true
+            };
 
-            mailSender.Send(mailMessage);
+            await mailSender.SendAsync(mailMessage);
         }
 
         private static MailKitSmtpEmailSender CreateMailKitEmailSender()