diff --git a/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/CargosoftExportAdapter.java b/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/CargosoftExportAdapter.java
index 46a25a6..a5e780c 100644
--- a/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/CargosoftExportAdapter.java
+++ b/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/CargosoftExportAdapter.java
@@ -50,6 +50,10 @@ public class CargosoftExportAdapter implements SignalAdapter {
     public static final String REPORT_ERROR = "REPORT_ERROR";
     public static final String CONFIG_ERROR = "CONFIG_ERROR";
 
+    @Inject
+    @ConfigProperty(name = FTPConnector.ENV_EXPORT_FTP_MAX_ATTACHMENT_SIZED, defaultValue = "10485760")
+    long maxAttachmentSize;
+
     private static Logger logger = Logger.getLogger(CargosoftExportAdapter.class.getName());
 
     @Inject
@@ -123,6 +127,11 @@ public class CargosoftExportAdapter implements SignalAdapter {
     /**
      * This method lookups the origin snapshot data and add the content of the $file
      * to the export document
+     * <p>
+     * Change 14.10.2021 - Wir senden maximal 5MB and Daten, da die Cargosoft
+     * Schnittstelle größere Datensätze mit großen Dateianhängen einfach verschluckt
+     * ohne eine Fehlermeldugn zu liefern.
+     * 
      * 
      * @param document
      * @return
@@ -150,8 +159,25 @@ public class CargosoftExportAdapter implements SignalAdapter {
                 List<FileData> fileDataList = snapshot.getFileData();
                 // transfer origin file content
                 result.removeItem("$file");
+                long currentAttachmentSize = 0;
+                // we do only accept .pdf files and a maximum size of 10MB
                 for (FileData filedata : fileDataList) {
-                    result.addFileData(filedata);
+                    if (filedata.getName().toLowerCase().endsWith(".pdf")) {
+                        // test if the size of the file is below the
+                        // "cargosoft.export.ftp.maxattachmentsize"
+                        if ((currentAttachmentSize + filedata.getContent().length) > maxAttachmentSize) {
+                            long maxSizeInMB = maxAttachmentSize / 1024 / 1024;
+                            String message = "Attachment '" + filedata.getName()
+                                    + "' can not be exported to cargosoft - max file size exeeded (" + maxSizeInMB
+                                    + "MB)!";
+                            logger.warning(message);
+                            // add comment
+                            document.setItemValue("txtComment", message);
+                        } else {
+                            result.addFileData(filedata);
+                            currentAttachmentSize = currentAttachmentSize + filedata.getContent().length;
+                        }
+                    }
                 }
             } else {
                 logger.warning("...did not found snapshot for origin workitem " + origin.getUniqueID());
diff --git a/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/FTPConnector.java b/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/FTPConnector.java
index faa3e9f..c3b08bb 100644
--- a/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/FTPConnector.java
+++ b/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/FTPConnector.java
@@ -58,6 +58,8 @@ public class FTPConnector {
     public static final String ENV_EXPORT_FTP_PORT = "cargosoft.export.ftp.port";
     public static final String ENV_EXPORT_FTP_USER = "cargosoft.export.ftp.user";
     public static final String ENV_EXPORT_FTP_PASSWORD = "cargosoft.export.ftp.password";
+    
+    public static final String ENV_EXPORT_FTP_MAX_ATTACHMENT_SIZED = "cargosoft.export.ftp.maxattachmentsize";
 
     private static Logger logger = Logger.getLogger(FTPConnector.class.getName());