diff --git a/WebsitePanel/Sources/Tools/WSPTransportAgent/App.config b/WebsitePanel/Sources/Tools/WSPTransportAgent/App.config
index f3d7ccd1..02e0c01e 100644
--- a/WebsitePanel/Sources/Tools/WSPTransportAgent/App.config
+++ b/WebsitePanel/Sources/Tools/WSPTransportAgent/App.config
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0"?>
 <configuration>
   <configSections/>
   <appSettings>
@@ -7,4 +7,4 @@
     <add key="enableVerboseLogging" value="false"/>
     <add key="blockInternalInterTenantOOF" value="true"/>
   </appSettings>
-</configuration>
\ No newline at end of file
+<startup><supportedRuntime version="v2.0.50727"/></startup></configuration>
diff --git a/WebsitePanel/Sources/Tools/WSPTransportAgent/WSPRoutingAgent.cs b/WebsitePanel/Sources/Tools/WSPTransportAgent/WSPRoutingAgent.cs
index 16656900..91d6f962 100644
--- a/WebsitePanel/Sources/Tools/WSPTransportAgent/WSPRoutingAgent.cs
+++ b/WebsitePanel/Sources/Tools/WSPTransportAgent/WSPRoutingAgent.cs
@@ -115,8 +115,8 @@ namespace WSPTransportAgent
 
                 foreach (AcceptedDomain domain in server.AcceptedDomains)
                 {
-                    htAcceptedDomains.Add(domain.ToString(), "1");
-                    WriteLine("\tAccepted Domain: " + domain.ToString());
+                    htAcceptedDomains.Add(domain.ToString().ToLower(), "1");
+                    WriteLine("\tAccepted Domain: " + domain.ToString().ToLower());
                 }
             }
             catch (Exception ex)
@@ -154,11 +154,14 @@ namespace WSPTransportAgent
                         {
                             foreach (EnvelopeRecipient recp in e.MailItem.Recipients)
                             {
+                                WriteLine("\t\tFrom: " + e.MailItem.Message.From.SmtpAddress.ToString().ToLower());
                                 WriteLine("\t\tTo: " + recp.Address.ToString().ToLower());
-                                if (IsMessageBetweenTenants(e.MailItem.FromAddress.DomainPart.ToLower(), recp.Address.DomainPart.ToLower()))
+                                string[] tmpFrom = e.MailItem.Message.From.SmtpAddress.Split('@');
+                                string[] tmpTo = recp.Address.ToString().Split('@');
+                                if (IsMessageBetweenTenants(tmpFrom[1].ToLower(), tmpTo[1].ToLower()))
                                 {
-                                    WriteLine("\t\tMessage routed to domain: " + recp.Address.DomainPart.ToLower() + routingDomain);
-                                    RoutingDomain myRoutingDomain = new RoutingDomain(recp.Address.DomainPart.ToLower() + routingDomain);
+                                    WriteLine("\t\tMessage routed to domain: " + tmpTo[1].ToLower() + routingDomain);
+                                    RoutingDomain myRoutingDomain = new RoutingDomain(tmpTo[1].ToLower() + routingDomain);
                                     RoutingOverride myRoutingOverride = new RoutingOverride(myRoutingDomain, DeliveryQueueDomain.UseOverrideDomain);
                                     source.SetRoutingOverride(recp, myRoutingOverride);
                                     touched = true;
@@ -173,13 +176,14 @@ namespace WSPTransportAgent
                                 WriteLine("\t\tOOF From: " + e.MailItem.Message.From.SmtpAddress);
                                 if (e.MailItem.Message.From.SmtpAddress.Contains("@"))
                                 {
-                                    string[] tmp = e.MailItem.Message.From.SmtpAddress.Split('@');
+                                    string[] tmpFrom = e.MailItem.Message.From.SmtpAddress.Split('@');
                                     foreach (EnvelopeRecipient recp in e.MailItem.Recipients)
                                     {
                                         WriteLine("\t\tTo: " + recp.Address.ToString().ToLower());
-                                        if (IsMessageBetweenTenants(tmp[1].ToLower(), recp.Address.DomainPart.ToLower()))
+                                        string[] tmpTo = recp.Address.ToString().Split('@');
+                                        if (IsMessageBetweenTenants(tmpFrom[1].ToLower(), tmpTo[1].ToLower()))
                                         {
-                                            WriteLine("\t\tRemove: " + recp.Address.DomainPart.ToLower());
+                                            WriteLine("\t\tRemove: " + tmpTo[1].ToLower());
                                             e.MailItem.Recipients.Remove(recp);
                                         }
                                     }
diff --git a/WebsitePanel/Sources/Tools/WSPTransportAgent/WSPTransportAgent.csproj b/WebsitePanel/Sources/Tools/WSPTransportAgent/WSPTransportAgent.csproj
index 5bc9a7ea..05307754 100644
--- a/WebsitePanel/Sources/Tools/WSPTransportAgent/WSPTransportAgent.csproj
+++ b/WebsitePanel/Sources/Tools/WSPTransportAgent/WSPTransportAgent.csproj
@@ -10,8 +10,9 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>WSPTransportAgent</RootNamespace>
     <AssemblyName>WSPTransportAgent</AssemblyName>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>