diff --git a/FlexiMail.Test.Integration/Clients/FlexiMailClientTests.SendAndCopy.cs b/FlexiMail.Test.Integration/Clients/FlexiMailClientTests.SendAndCopy.cs
new file mode 100644
index 0000000..4d2e493
--- /dev/null
+++ b/FlexiMail.Test.Integration/Clients/FlexiMailClientTests.SendAndCopy.cs
@@ -0,0 +1,36 @@
+// ---------------------------------------
+// Copyright (c) 2024 Mabrouk Mahdhi.
+// Made with love for the .NET Community
+// ---------------------------------------
+
+using FlexiMail.Models.Foundations.Bodies;
+using FlexiMail.Models.Foundations.Messages;
+
+namespace FlexiMail.Test.Integration.Clients
+{
+    public partial class FlexiMailClientTests
+    {
+        [Fact]
+        public async void ShouldSendAndCopyMessageAsync()
+        {
+            // Given
+            var flexiMessage = new FlexiMessage()
+            {
+                Subject = "FlexiMessage is a cool library",
+                To = [GetReceiverTestEmail()],
+                Body = new FlexiBody
+                {
+                    Content = "<h3>This is a test</h3><p>Bonjour tout le monde!</p>",
+                    ContentType = BodyContentType.Html
+                }
+            };
+
+            // when 
+            var sendMessageTask =
+                this.flexiMailClient.SendAndSaveCopyAsync(flexiMessage);
+
+            // then
+            Assert.True(sendMessageTask.IsCompletedSuccessfully, "The message should be sent and copied successfully.");
+        }
+    }
+}
\ No newline at end of file
diff --git a/FlexiMail.Test.Integration/Clients/FlexiMailClientTests.cs b/FlexiMail.Test.Integration/Clients/FlexiMailClientTests.cs
new file mode 100644
index 0000000..60ca74a
--- /dev/null
+++ b/FlexiMail.Test.Integration/Clients/FlexiMailClientTests.cs
@@ -0,0 +1,40 @@
+// ---------------------------------------
+// Copyright (c) 2024 Mabrouk Mahdhi.
+// Made with love for the .NET Community
+// ---------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using FlexiMail.Models.Configurations;
+
+namespace FlexiMail.Test.Integration.Clients
+{
+    public partial class FlexiMailClientTests
+    {
+        private readonly IFlexiMailClient flexiMailClient;
+
+        public FlexiMailClientTests()
+        {
+            var tenantId = Environment.GetEnvironmentVariable("TenantId",EnvironmentVariableTarget.Machine);
+            var authority = $"https://login.microsoftonline.com/{tenantId}";
+
+            var configurations = new ExchangeConfigurations
+            {
+                ClientId = Environment.GetEnvironmentVariable("ClientId"),
+                ClientSecret = Environment.GetEnvironmentVariable("ClientSecret"),
+                TenantId = tenantId,
+                Authority = authority,
+                SmtpAddress = Environment.GetEnvironmentVariable("SmtpAddress"),
+                PrincipalName = Environment.GetEnvironmentVariable("PrincipalName"),
+                Sid = Environment.GetEnvironmentVariable("Sid"),
+                Scopes = ["https://outlook.office365.com/.default"],
+            };
+
+            this.flexiMailClient = new FlexiMailClient(configurations);
+        }
+
+        private static string GetReceiverTestEmail() =>
+            Environment.GetEnvironmentVariable("FlexiTestEmail");
+    }
+}
\ No newline at end of file
diff --git a/FlexiMail.Test.Integration/DeleteMe.cs b/FlexiMail.Test.Integration/DeleteMe.cs
deleted file mode 100644
index 29505b7..0000000
--- a/FlexiMail.Test.Integration/DeleteMe.cs
+++ /dev/null
@@ -1,13 +0,0 @@
-// ---------------------------------------
-// Copyright (c) 2024 Mabrouk Mahdhi.
-// Made with love for the .NET Community
-// ---------------------------------------
-
-namespace FlexiMail.Test.Integration
-{
-    public class DeleteMe
-    {
-        [Fact]
-        public void ShouldBeTrue() => Assert.True(true);
-    }
-}
\ No newline at end of file
diff --git a/FlexiMail/FlexiMailClient.cs b/FlexiMail/FlexiMailClient.cs
index a095559..9736c8b 100644
--- a/FlexiMail/FlexiMailClient.cs
+++ b/FlexiMail/FlexiMailClient.cs
@@ -4,6 +4,7 @@
 //---------------------------------------
 
 using System;
+using System.Threading.Tasks;
 using FlexiMail.Brokers.Exchanges;
 using FlexiMail.Models.Configurations;
 using FlexiMail.Models.Foundations.Messages;
@@ -24,8 +25,8 @@ public FlexiMailClient(ExchangeConfigurations configurations)
                 serviceProvider.GetRequiredService<IFlexiExchangeService>();
         }
 
-        public void SendAndSaveCopyAsync(FlexiMessage flexiMessage) =>
-            this.exchangeService.SendAndSaveCopyAsync(flexiMessage);
+        public async ValueTask SendAndSaveCopyAsync(FlexiMessage flexiMessage) =>
+            await this.exchangeService.SendAndSaveCopyAsync(flexiMessage);
 
         private static IServiceProvider RegisterServices(ExchangeConfigurations configurations)
         {
diff --git a/FlexiMail/IFlexiMailClient.cs b/FlexiMail/IFlexiMailClient.cs
index 5082902..ccb238a 100644
--- a/FlexiMail/IFlexiMailClient.cs
+++ b/FlexiMail/IFlexiMailClient.cs
@@ -3,12 +3,13 @@
 // Made with love for the .NET Community
 // ---------------------------------------
 
+using System.Threading.Tasks;
 using FlexiMail.Models.Foundations.Messages;
 
 namespace FlexiMail
 {
     public interface IFlexiMailClient
     {
-        void SendAndSaveCopyAsync(FlexiMessage flexiMessage);
+        ValueTask SendAndSaveCopyAsync(FlexiMessage flexiMessage);
     }
 }
\ No newline at end of file