diff --git a/EnvelopeGenerator.Form/EnvelopeGenerator.Form.vbproj b/EnvelopeGenerator.Form/EnvelopeGenerator.Form.vbproj
index 2f6c16a4..789eba38 100644
--- a/EnvelopeGenerator.Form/EnvelopeGenerator.Form.vbproj
+++ b/EnvelopeGenerator.Form/EnvelopeGenerator.Form.vbproj
@@ -77,8 +77,8 @@
     <Reference Include="DevExpress.XtraNavBar.v21.2, Version=21.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a, processorArchitecture=MSIL" />
     <Reference Include="DevExpress.XtraPrinting.v21.2, Version=21.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a" />
     <Reference Include="DevExpress.XtraTreeList.v21.2, Version=21.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a" />
-    <Reference Include="DigitalData.Controls.DocumentViewer, Version=1.9.7.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\DigitalData.Controls.DocumentViewer.1.9.7\lib\net462\DigitalData.Controls.DocumentViewer.dll</HintPath>
+    <Reference Include="DigitalData.Controls.DocumentViewer, Version=1.9.8.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\DigitalData.Controls.DocumentViewer.1.9.8\lib\net462\DigitalData.Controls.DocumentViewer.dll</HintPath>
     </Reference>
     <Reference Include="DigitalData.GUIs.Common">
       <HintPath>..\..\2_DLL Projekte\DDMonorepo\GUIs.Common\bin\Debug\DigitalData.GUIs.Common.dll</HintPath>
@@ -116,9 +116,6 @@
     <Reference Include="EntityFramework.SqlServer, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL">
       <HintPath>..\packages\EntityFramework.6.4.4\lib\net45\EntityFramework.SqlServer.dll</HintPath>
     </Reference>
-    <Reference Include="EnvelopeGenerator.Common, Version=2.4.2.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\EnvelopeGenerator.Common.2.4.2\lib\net462\EnvelopeGenerator.Common.dll</HintPath>
-    </Reference>
     <Reference Include="FirebirdSql.Data.FirebirdClient, Version=7.5.0.0, Culture=neutral, PublicKeyToken=3750abcc3150b00c, processorArchitecture=MSIL">
       <HintPath>..\packages\FirebirdSql.Data.FirebirdClient.7.5.0\lib\net452\FirebirdSql.Data.FirebirdClient.dll</HintPath>
     </Reference>
@@ -186,6 +183,9 @@
       <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.wia.gateway.dll</HintPath>
       <EmbedInteropTypes>True</EmbedInteropTypes>
     </Reference>
+    <Reference Include="Mail">
+      <HintPath>P:\Projekte DIGITAL DATA\DIGITAL DATA - Entwicklung\DLL_Bibliotheken\Limilabs\Mail.dll</HintPath>
+    </Reference>
     <Reference Include="Microsoft.Bcl.AsyncInterfaces, Version=9.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Bcl.AsyncInterfaces.9.0.0\lib\net462\Microsoft.Bcl.AsyncInterfaces.dll</HintPath>
     </Reference>
@@ -464,10 +464,7 @@
     <Content Include="GdPicture.NET.14.machine.vision.dll" />
     <Content Include="GdPicture.NET.14.twain.client.64.dll" />
     <Content Include="GdPicture.NET.14.twain.client.dll" />
-    <Content Include="Images\circle.svg" />
-    <Content Include="MailLicense.xml">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
+    <Content Include="MailLicense.xml" />
     <Content Include="README.txt" />
   </ItemGroup>
   <ItemGroup>
@@ -475,6 +472,10 @@
       <Project>{6EA0C51F-C2B1-4462-8198-3DE0B32B74F8}</Project>
       <Name>EnvelopeGenerator.Common</Name>
     </ProjectReference>
+    <ProjectReference Include="..\EnvelopeGenerator.Common\EnvelopeGenerator.Common.vbproj">
+      <Project>{6ea0c51f-c2b1-4462-8198-3de0b32b74f8}</Project>
+      <Name>EnvelopeGenerator.Common</Name>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.targets" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
diff --git a/EnvelopeGenerator.Form/Images/circle.svg b/EnvelopeGenerator.Form/Images/circle.svg
deleted file mode 100644
index e0d1b515..00000000
--- a/EnvelopeGenerator.Form/Images/circle.svg
+++ /dev/null
@@ -1,3 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-circle-fill" viewBox="0 0 16 16">
-  <circle cx="8" cy="8" r="8"/>
-</svg>
\ No newline at end of file
diff --git a/EnvelopeGenerator.Form/frmEnvelopeEditor.vb b/EnvelopeGenerator.Form/frmEnvelopeEditor.vb
index 0e07e699..9023d016 100644
--- a/EnvelopeGenerator.Form/frmEnvelopeEditor.vb
+++ b/EnvelopeGenerator.Form/frmEnvelopeEditor.vb
@@ -568,10 +568,6 @@ Partial Public Class frmEnvelopeEditor
         RibbonPageGroupAddSignature_Enabled()
     End Sub
     Dim CellValueChanged As Boolean = False
-    Private Sub ViewReceivers_ColumnPositionChanged(sender As Object, e As EventArgs) Handles ViewReceivers.ColumnPositionChanged
-
-
-    End Sub
     Private Sub ViewReceivers_CellValueChanged(sender As Object, e As Views.Base.CellValueChangedEventArgs) Handles ViewReceivers.CellValueChanged
 
         If e.Column.FieldName = COL_EMAIL And CellValueChanged = False Then
@@ -587,17 +583,22 @@ Partial Public Class frmEnvelopeEditor
                     Dim oEmailAdress As String = DirectCast(e.Value.ToString.ToLower, String)
                     oEmailAdress = Trim(oEmailAdress)
                     If IsValidEmailAddress(oEmailAdress) = True Then
+                        Dim oAccessCode As String = ""
                         Dim oLastName As String = Controller.GetLastNameByEmailAdress(oEmailAdress)
-                        Dim oAccessCode As String = Helpers.GetAccessCode()
+                        'oAccessCode = Helpers.GetAccessCode()
                         Dim oPhoneNumber As String = Controller.GetLastPhoneByEmailAdress(oEmailAdress)
                         ViewReceivers.SetRowCellValue(e.RowHandle, ViewReceivers.Columns.Item(COL_EMAIL), oEmailAdress)
                         ViewReceivers.SetRowCellValue(e.RowHandle, ViewReceivers.Columns.Item(COL_NAME), oLastName)
-                        ViewReceivers.SetRowCellValue(e.RowHandle, ViewReceivers.Columns.Item(COL_CODE), oAccessCode)
+                        CheckAccesscode(e.RowHandle, oAccessCode)
+                        ' ViewReceivers.SetRowCellValue(e.RowHandle, ViewReceivers.Columns.Item(COL_CODE), oAccessCode)
                         If Envelope.TFA_Enabled AndAlso DEF_TF_ENABLED_WITH_PHONE Then
                             ViewReceivers.SetRowCellValue(e.RowHandle, ViewReceivers.Columns.Item(COL_PHONE), oPhoneNumber)
                         End If
+                        If ViewReceivers.GetRowCellValue(e.RowHandle, ViewReceivers.Columns.Item(COL_CODE)) = String.Empty Then
+                            CheckAccesscode(e.RowHandle, oAccessCode)
+                        End If
                     Else
-                        Dim oMsg = Resources.Envelope.Error_email_Validation
+                            Dim oMsg = Resources.Envelope.Error_email_Validation
                         oMsg = oMsg.Replace("@Mail", oEmailAdress)
                         MsgBox(oMsg, MsgBoxStyle.Exclamation, Text)
                         ViewReceivers.DeleteRow(ViewReceivers.FocusedRowHandle)
@@ -620,6 +621,12 @@ Partial Public Class frmEnvelopeEditor
             CellValueChanged = False
         End If
     End Sub
+    Private Function CheckAccesscode(pRowHandle As Integer, pAccessCode As String) As Boolean
+        If pAccessCode = "" Then
+            pAccessCode = Helpers.GetAccessCode()
+            ViewReceivers.SetRowCellValue(pRowHandle, ViewReceivers.Columns.Item(COL_CODE), pAccessCode)
+        End If
+    End Function
     Private Function IsValidEmailAddress(pEmailAddress As String) As Boolean
         Try
             If pEmailAddress.Contains("@") Then
diff --git a/EnvelopeGenerator.Form/packages.config b/EnvelopeGenerator.Form/packages.config
index ee5069d7..2b9ea36e 100644
--- a/EnvelopeGenerator.Form/packages.config
+++ b/EnvelopeGenerator.Form/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="BouncyCastle.Cryptography" version="2.5.0" targetFramework="net462" />
-  <package id="DigitalData.Controls.DocumentViewer" version="1.9.7" targetFramework="net462" />
+  <package id="DigitalData.Controls.DocumentViewer" version="1.9.8" targetFramework="net462" />
   <package id="DigitalData.Modules.Base" version="1.3.8" targetFramework="net462" />
   <package id="DigitalData.Modules.Config" version="1.3.0" targetFramework="net462" />
   <package id="DigitalData.Modules.Database" version="2.3.5.4" targetFramework="net462" />
@@ -12,7 +12,6 @@
   <package id="DocumentFormat.OpenXml.Framework" version="3.2.0" targetFramework="net462" />
   <package id="EntityFramework" version="6.4.4" targetFramework="net462" />
   <package id="EntityFramework.Firebird" version="6.4.0" targetFramework="net462" />
-  <package id="EnvelopeGenerator.Common" version="2.4.2" targetFramework="net462" />
   <package id="FirebirdSql.Data.FirebirdClient" version="7.5.0" targetFramework="net462" />
   <package id="GdPicture" version="14.3.3" targetFramework="net462" />
   <package id="GdPicture.runtimes.windows" version="14.3.3" targetFramework="net462" />
diff --git a/EnvelopeGenerator.sln b/EnvelopeGenerator.sln
index 3e6fecaf..35649a69 100644
--- a/EnvelopeGenerator.sln
+++ b/EnvelopeGenerator.sln
@@ -3,7 +3,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.5.33516.290
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{F184B08F-C81C-45F6-A57F-5ABD9991F28F}") = "EnvelopeGenerator.BBTests", "EnvelopeGenerator.BBTests\EnvelopeGenerator.BBTests.vbproj", "{089D5634-FB6B-42D0-B912-7AA7457044E7}"
+Project("{F184B08F-C81C-45F6-A57F-5ABD9991F28F}") = "EnvelopeGenerator.Test", "EnvelopeGenerator.Test\EnvelopeGenerator.Test.vbproj", "{089D5634-FB6B-42D0-B912-7AA7457044E7}"
 EndProject
 Project("{F184B08F-C81C-45F6-A57F-5ABD9991F28F}") = "EnvelopeGenerator.Form", "EnvelopeGenerator.Form\EnvelopeGenerator.Form.vbproj", "{6D56C01F-D6CB-4D8A-BD3D-4FD34326998C}"
 EndProject
@@ -13,12 +13,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EnvelopeGenerator.Web", "En
 EndProject
 Project("{F184B08F-C81C-45F6-A57F-5ABD9991F28F}") = "EnvelopeGenerator.Service", "EnvelopeGenerator.Service\EnvelopeGenerator.Service.vbproj", "{83ED2617-B398-4859-8F59-B38F8807E83E}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EnvelopeGenerator.Domain", "EnvelopeGenerator.Domain\EnvelopeGenerator.Domain.csproj", "{4F32A98D-E6F0-4A09-BD97-1CF26107E837}"
-EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EnvelopeGenerator.Infrastructure", "EnvelopeGenerator.Infrastructure\EnvelopeGenerator.Infrastructure.csproj", "{63E32615-0ECA-42DC-96E3-91037324B7C7}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EnvelopeGenerator.Application", "EnvelopeGenerator.Application\EnvelopeGenerator.Application.csproj", "{5A9984F8-51A2-4558-A415-EC5FEED7CF7D}"
-EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EnvelopeGenerator.GeneratorAPI", "EnvelopeGenerator.GeneratorAPI\EnvelopeGenerator.GeneratorAPI.csproj", "{E5E12BA4-60C1-48BA-9053-0F8B62B38124}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EnvelopeGenerator.Extensions", "EnvelopeGenerator.Extensions\EnvelopeGenerator.Extensions.csproj", "{47F98812-4280-4D53-B04A-2AAEEA5EBC31}"
@@ -55,18 +51,10 @@ Global
 		{83ED2617-B398-4859-8F59-B38F8807E83E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{83ED2617-B398-4859-8F59-B38F8807E83E}.Release|Any CPU.ActiveCfg = Debug|Any CPU
 		{83ED2617-B398-4859-8F59-B38F8807E83E}.Release|Any CPU.Build.0 = Debug|Any CPU
-		{4F32A98D-E6F0-4A09-BD97-1CF26107E837}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{4F32A98D-E6F0-4A09-BD97-1CF26107E837}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{4F32A98D-E6F0-4A09-BD97-1CF26107E837}.Release|Any CPU.ActiveCfg = Debug|Any CPU
-		{4F32A98D-E6F0-4A09-BD97-1CF26107E837}.Release|Any CPU.Build.0 = Debug|Any CPU
 		{63E32615-0ECA-42DC-96E3-91037324B7C7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{63E32615-0ECA-42DC-96E3-91037324B7C7}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{63E32615-0ECA-42DC-96E3-91037324B7C7}.Release|Any CPU.ActiveCfg = Debug|Any CPU
 		{63E32615-0ECA-42DC-96E3-91037324B7C7}.Release|Any CPU.Build.0 = Debug|Any CPU
-		{5A9984F8-51A2-4558-A415-EC5FEED7CF7D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{5A9984F8-51A2-4558-A415-EC5FEED7CF7D}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{5A9984F8-51A2-4558-A415-EC5FEED7CF7D}.Release|Any CPU.ActiveCfg = Debug|Any CPU
-		{5A9984F8-51A2-4558-A415-EC5FEED7CF7D}.Release|Any CPU.Build.0 = Debug|Any CPU
 		{E5E12BA4-60C1-48BA-9053-0F8B62B38124}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{E5E12BA4-60C1-48BA-9053-0F8B62B38124}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{E5E12BA4-60C1-48BA-9053-0F8B62B38124}.Release|Any CPU.ActiveCfg = Debug|Any CPU
@@ -83,13 +71,8 @@ Global
 		{089D5634-FB6B-42D0-B912-7AA7457044E7} = {0CBC2432-A561-4440-89BC-671B66A24146}
 		{6D56C01F-D6CB-4D8A-BD3D-4FD34326998C} = {134D4164-B291-4E19-99B9-E4FA3AFAB62C}
 		{6EA0C51F-C2B1-4462-8198-3DE0B32B74F8} = {134D4164-B291-4E19-99B9-E4FA3AFAB62C}
-		{5E0E17C0-FF5A-4246-BF87-1ADD85376A27} = {134D4164-B291-4E19-99B9-E4FA3AFAB62C}
 		{83ED2617-B398-4859-8F59-B38F8807E83E} = {134D4164-B291-4E19-99B9-E4FA3AFAB62C}
-		{4F32A98D-E6F0-4A09-BD97-1CF26107E837} = {9943209E-1744-4944-B1BA-4F87FC1A0EEB}
-		{63E32615-0ECA-42DC-96E3-91037324B7C7} = {134D4164-B291-4E19-99B9-E4FA3AFAB62C}
-		{5A9984F8-51A2-4558-A415-EC5FEED7CF7D} = {9943209E-1744-4944-B1BA-4F87FC1A0EEB}
-		{E5E12BA4-60C1-48BA-9053-0F8B62B38124} = {134D4164-B291-4E19-99B9-E4FA3AFAB62C}
-		{47F98812-4280-4D53-B04A-2AAEEA5EBC31} = {134D4164-B291-4E19-99B9-E4FA3AFAB62C}
+		{47F98812-4280-4D53-B04A-2AAEEA5EBC31} = {9943209E-1744-4944-B1BA-4F87FC1A0EEB}
 		{9943209E-1744-4944-B1BA-4F87FC1A0EEB} = {134D4164-B291-4E19-99B9-E4FA3AFAB62C}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution