diff --git a/src/administration/Administration.Service/appsettings.json b/src/administration/Administration.Service/appsettings.json
index 47c6302efe..16aff9ac0c 100644
--- a/src/administration/Administration.Service/appsettings.json
+++ b/src/administration/Administration.Service/appsettings.json
@@ -388,7 +388,8 @@
       "SmtpHost": "",
       "SmtpPort": 587,
       "SmtpUser": "",
-      "SmtpPassword": ""
+      "SmtpPassword": "",
+      "SenderEmail": ""
     }
   },
   "IdentityProviderAdmin": {
diff --git a/src/mailing/Mailing.SendMail/MailSettings.cs b/src/mailing/Mailing.SendMail/MailSettings.cs
index 0af2d13846..8c6be9c45c 100644
--- a/src/mailing/Mailing.SendMail/MailSettings.cs
+++ b/src/mailing/Mailing.SendMail/MailSettings.cs
@@ -20,6 +20,7 @@
 
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
+using MimeKit;
 using Org.Eclipse.TractusX.Portal.Backend.Framework.ErrorHandling;
 
 namespace Org.Eclipse.TractusX.Portal.Backend.Mailing.SendMail
@@ -33,13 +34,16 @@ public class MailSettings
         public int SmtpPort { get; set; } = 0;
         public string? HttpProxy { get; set; }
         public int HttpProxyPort { get; set; }
+        public string SenderEmail { get; set; } = null!;
 
         public bool Validate()
         {
             var validation = new ConfigurationValidation<MailSettings>()
                 .NotNullOrWhiteSpace(SmtpHost, () => nameof(SmtpHost))
                 .NotNullOrWhiteSpace(SmtpUser, () => nameof(SmtpUser))
-                .NotNullOrWhiteSpace(SmtpPassword, () => nameof(SmtpPassword));
+                .NotNullOrWhiteSpace(SmtpPassword, () => nameof(SmtpPassword))
+                .NotNullOrWhiteSpace(SenderEmail, () => nameof(SenderEmail));
+
             if (HttpProxy != null)
             {
                 validation.NotNullOrWhiteSpace(HttpProxy, () => nameof(HttpProxy));
@@ -48,7 +52,7 @@ public bool Validate()
         }
     }
 
-    public static class MailSettingsExtention
+    public static class MailSettingsExtension
     {
         public static IServiceCollection ConfigureMailSettings(
             this IServiceCollection services,
diff --git a/src/mailing/Mailing.SendMail/Mailing.SendMail.csproj b/src/mailing/Mailing.SendMail/Mailing.SendMail.csproj
index d5c8bbc549..666cbc4089 100644
--- a/src/mailing/Mailing.SendMail/Mailing.SendMail.csproj
+++ b/src/mailing/Mailing.SendMail/Mailing.SendMail.csproj
@@ -22,6 +22,7 @@
 
   <PropertyGroup>
     <AssemblyName>Org.Eclipse.TractusX.Portal.Backend.Mailing.SendMail</AssemblyName>
+    <RootNamespace>Org.Eclipse.TractusX.Portal.Backend.Mailing.SendMail</RootNamespace>
     <TargetFramework>net7.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
diff --git a/src/mailing/Mailing.SendMail/MailingService.cs b/src/mailing/Mailing.SendMail/MailingService.cs
index 71a4e23805..98cfd71da9 100644
--- a/src/mailing/Mailing.SendMail/MailingService.cs
+++ b/src/mailing/Mailing.SendMail/MailingService.cs
@@ -18,6 +18,7 @@
  * SPDX-License-Identifier: Apache-2.0
  ********************************************************************************/
 
+using Microsoft.Extensions.Options;
 using Org.Eclipse.TractusX.Portal.Backend.Mailing.Template;
 
 namespace Org.Eclipse.TractusX.Portal.Backend.Mailing.SendMail;
@@ -26,11 +27,13 @@ public class MailingService : IMailingService
 {
     private readonly ITemplateManager _templateManager;
     private readonly ISendMail _sendMail;
+    private readonly MailSettings _settings;
 
-    public MailingService(ITemplateManager templateManager, ISendMail sendMail)
+    public MailingService(ITemplateManager templateManager, ISendMail sendMail, IOptions<MailSettings> options)
     {
         _templateManager = templateManager;
         _sendMail = sendMail;
+        _settings = options.Value;
     }
 
     public async Task SendMails(string recipient, IDictionary<string, string> parameters, IEnumerable<string> templates)
@@ -38,7 +41,7 @@ public async Task SendMails(string recipient, IDictionary<string, string> parame
         foreach (var temp in templates)
         {
             var email = await _templateManager.ApplyTemplateAsync(temp, parameters).ConfigureAwait(false);
-            await _sendMail.Send("Notifications@catena-x.net", recipient, email.Subject, email.Body, email.isHtml).ConfigureAwait(false);
+            await _sendMail.Send(_settings.SenderEmail, recipient, email.Subject, email.Body, email.isHtml).ConfigureAwait(false);
         }
     }
 }
diff --git a/src/marketplace/Apps.Service/appsettings.json b/src/marketplace/Apps.Service/appsettings.json
index 9829f23e18..9d053cb9aa 100644
--- a/src/marketplace/Apps.Service/appsettings.json
+++ b/src/marketplace/Apps.Service/appsettings.json
@@ -113,7 +113,8 @@
       "SmtpHost": "",
       "SmtpPort": 587,
       "SmtpUser": "",
-      "SmtpPassword": ""
+      "SmtpPassword": "",
+      "SenderEmail": ""
     }
   },
   "Provisioning": {
diff --git a/src/marketplace/Services.Service/appsettings.json b/src/marketplace/Services.Service/appsettings.json
index 10e292f808..643fa17725 100644
--- a/src/marketplace/Services.Service/appsettings.json
+++ b/src/marketplace/Services.Service/appsettings.json
@@ -107,7 +107,8 @@
       "SmtpHost": "",
       "SmtpPort": 587,
       "SmtpUser": "",
-      "SmtpPassword": ""
+      "SmtpPassword": "",
+      "SenderEmail": ""
     }
   },
   "Provisioning": {
diff --git a/src/processes/Processes.Worker/appsettings.json b/src/processes/Processes.Worker/appsettings.json
index 6f2a97080f..a7b58544b9 100644
--- a/src/processes/Processes.Worker/appsettings.json
+++ b/src/processes/Processes.Worker/appsettings.json
@@ -366,7 +366,8 @@
       "SmtpHost": "",
       "SmtpPort": 587,
       "SmtpUser": "",
-      "SmtpPassword": ""
+      "SmtpPassword": "",
+      "SenderEmail": ""
     }
   },
   "OfferSubscriptionProcess": {
diff --git a/src/registration/Registration.Service/appsettings.json b/src/registration/Registration.Service/appsettings.json
index febad90859..ca89b648f1 100644
--- a/src/registration/Registration.Service/appsettings.json
+++ b/src/registration/Registration.Service/appsettings.json
@@ -71,7 +71,8 @@
       "SmtpHost": "",
       "SmtpPort": 587,
       "SmtpUser": "",
-      "SmtpPassword": ""
+      "SmtpPassword": "",
+      "SenderEmail": ""
     }
   },
   "Keycloak": {
diff --git a/tests/administration/Administration.Service.Tests/appsettings.IntegrationTests.json b/tests/administration/Administration.Service.Tests/appsettings.IntegrationTests.json
index 1ac30245e6..9bb405b5d3 100644
--- a/tests/administration/Administration.Service.Tests/appsettings.IntegrationTests.json
+++ b/tests/administration/Administration.Service.Tests/appsettings.IntegrationTests.json
@@ -385,7 +385,8 @@
       "SmtpHost": "test",
       "SmtpPort": 587,
       "SmtpUser": "test",
-      "SmtpPassword": "test"
+      "SmtpPassword": "test",
+      "SenderEmail": "test@example.org"
     }
   },
   "IdentityProviderAdmin": {
diff --git a/tests/marketplace/Apps.Service.Tests/appsettings.IntegrationTests.json b/tests/marketplace/Apps.Service.Tests/appsettings.IntegrationTests.json
index 0b0e18cfbc..5744096c82 100644
--- a/tests/marketplace/Apps.Service.Tests/appsettings.IntegrationTests.json
+++ b/tests/marketplace/Apps.Service.Tests/appsettings.IntegrationTests.json
@@ -245,7 +245,8 @@
       "SmtpHost": "test",
       "SmtpPort": 587,
       "SmtpUser": "test",
-      "SmtpPassword": "test"
+      "SmtpPassword": "test",
+      "SenderEmail": "test@example.org"
     }
   }
 }
diff --git a/tests/marketplace/Services.Service.Tests/appsettings.IntegrationTests.json b/tests/marketplace/Services.Service.Tests/appsettings.IntegrationTests.json
index b757ace250..6a81beed98 100644
--- a/tests/marketplace/Services.Service.Tests/appsettings.IntegrationTests.json
+++ b/tests/marketplace/Services.Service.Tests/appsettings.IntegrationTests.json
@@ -156,7 +156,8 @@
       "SmtpHost": "test",
       "SmtpPort": 587,
       "SmtpUser": "test",
-      "SmtpPassword": "test"
+      "SmtpPassword": "test",
+      "SenderEmail": "test@example.org"
     }
   }
 }