first version doiing forward with attached original mail

src/main/java/de/srsoftware/widerhall/mail/SmtpClient.java

@@ -4,10 +4,10 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import javax.mail.*;
-import javax.mail.internet.InternetAddress;
-import javax.mail.internet.MimeMessage;
+import javax.mail.internet.*;
 import java.io.UnsupportedEncodingException;
 import java.util.Date;
+import java.util.List;
 import java.util.Properties;
 
 public class SmtpClient {
@@ -29,6 +29,25 @@ public class SmtpClient {
         this.port = port;
     }
 
+    public void bccForward(String from, Message message, List<String> emails) throws MessagingException {
+        if (session == null) login();
+        MimeMessage forward = new MimeMessage(session);
+        var addresses = InternetAddress.parse(String.join(", ",emails));
+        var senders = message.getFrom();
+        forward.setFrom(senders[0]);
+        //forward.setFrom(InternetAddress.parse(from)[0]);
+        forward.setRecipients(Message.RecipientType.BCC,addresses);
+        forward.setSubject(message.getSubject());
+        MimeBodyPart body = new MimeBodyPart();
+        body.setContent(message,"message/rfc822");
+        Multipart multipart = new MimeMultipart();
+        multipart.addBodyPart(body);
+        forward.setContent(multipart);
+        forward.saveChanges();
+        send(forward);
+    }
+
+
     public SmtpClient login(){
         if (session == null) {
             Properties props = new Properties();
@@ -55,10 +74,14 @@ public class SmtpClient {
         message.setText(content,UTF8);
         message.setSentDate(new Date());
         message.setRecipients(Message.RecipientType.TO,InternetAddress.parse(receivers,false));
+        send(message);
+    }
 
+    public void send(Message message) throws MessagingException {
         LOG.debug("Versende Mail…");
         Transport.send(message,username,password);
         LOG.debug("…versendet");
+
     }
 
     public String host() {
@@ -76,4 +99,5 @@ public class SmtpClient {
     public String password() {
         return password;
     }
+
 }