diff --git a/src/Senders/FluentEmail.SendGrid/FluentEmailSendGridBuilderExtensions.cs b/src/Senders/FluentEmail.SendGrid/FluentEmailSendGridBuilderExtensions.cs
index 048544d1..02de28fd 100644
--- a/src/Senders/FluentEmail.SendGrid/FluentEmailSendGridBuilderExtensions.cs
+++ b/src/Senders/FluentEmail.SendGrid/FluentEmailSendGridBuilderExtensions.cs
@@ -6,9 +6,9 @@ namespace Microsoft.Extensions.DependencyInjection
 {
     public static class FluentEmailSendGridBuilderExtensions
     {
-        public static FluentEmailServicesBuilder AddSendGridSender(this FluentEmailServicesBuilder builder, string apiKey, bool sandBoxMode = false)
+        public static FluentEmailServicesBuilder AddSendGridSender(this FluentEmailServicesBuilder builder, string apiKey, string host = null, bool sandBoxMode = false)
         {
-            builder.Services.TryAdd(ServiceDescriptor.Singleton<ISender>(_ => new SendGridSender(apiKey, sandBoxMode)));
+            builder.Services.TryAdd(ServiceDescriptor.Singleton<ISender>(_ => new SendGridSender(apiKey, host, sandBoxMode)));
             return builder;
         }
     }
diff --git a/src/Senders/FluentEmail.SendGrid/SendGridSender.cs b/src/Senders/FluentEmail.SendGrid/SendGridSender.cs
index c0fb9b11..ffe7ad5c 100644
--- a/src/Senders/FluentEmail.SendGrid/SendGridSender.cs
+++ b/src/Senders/FluentEmail.SendGrid/SendGridSender.cs
@@ -5,7 +5,6 @@
 using System.Threading;
 using System.Threading.Tasks;
 using FluentEmail.Core;
-using FluentEmail.Core.Interfaces;
 using FluentEmail.Core.Models;
 using SendGrid;
 using SendGrid.Helpers.Mail;
@@ -16,11 +15,13 @@ namespace FluentEmail.SendGrid
     public class SendGridSender : ISendGridSender
     {
         private readonly string _apiKey;
+        private readonly string _host;
         private readonly bool _sandBoxMode;
 
-        public SendGridSender(string apiKey, bool sandBoxMode = false)
+        public SendGridSender(string apiKey, string host = null, bool sandBoxMode = false)
         {
             _apiKey = apiKey;
+            _host = host;
             _sandBoxMode = sandBoxMode;
         }
         public SendResponse Send(IFluentEmail email, CancellationToken? token = null)
@@ -145,7 +146,7 @@ private async Task<SendGridMessage> BuildSendGridMessage(IFluentEmail email)
 
         private async Task<SendResponse> SendViaSendGrid(SendGridMessage mailMessage, CancellationToken? token = null)
         {
-            var sendGridClient = new SendGridClient(_apiKey);
+            var sendGridClient = new SendGridClient(_apiKey, _host);
             var sendGridResponse = await sendGridClient.SendEmailAsync(mailMessage, token.GetValueOrDefault());
 
             var sendResponse = new SendResponse();
diff --git a/test/FluentEmail.Core.Tests/SendGridSenderTests.cs b/test/FluentEmail.Core.Tests/SendGridSenderTests.cs
index 95867f07..fe025abc 100644
--- a/test/FluentEmail.Core.Tests/SendGridSenderTests.cs
+++ b/test/FluentEmail.Core.Tests/SendGridSenderTests.cs
@@ -21,7 +21,7 @@ public void SetUp()
         {
             if (string.IsNullOrWhiteSpace(apiKey)) throw new ArgumentException("SendGrid Api Key needs to be supplied");
 
-            var sender = new SendGridSender(apiKey, true);
+            var sender = new SendGridSender(apiKey, null, true);
             Email.DefaultSender = sender;
         }