Master of Science thesis Fighting Spam

}
//Save changes
newmessage.setContent(newmp);
newmessage.saveChanges();
return newmessage;
public static MimeMessage addAttachments(MimeMessage message, Coin[] coins) throws
Exception
{
//Make a copy of the message
MimeMessage newmessage = copyHeaders(message);
MimeMultipart newmp = copyPartsToMultiPart(message.getContent(), true);
}
// Add the attachment
newmp = addAttachmentsToMultiPart(coins, newmp);
//Save changes
newmessage.setContent(newmp);
newmessage.saveChanges();
return newmessage;
public static MimeMessage removeAttachment(MimeMessage message) throws Exception
{
//Debugger.debug(className,3,"REMOVING...");
//Make a copy of the message, and dont include the coin !
MimeMessage newmessage = copyHeaders(message);
}
Multipart mp = (Multipart) message.getContent();
Object np = copyParts(mp.getBodyPart(0));
if(np instanceof MimeMultipart)
{
MimeMultipart oldmp = (MimeMultipart) np;
newmessage.setContent(oldmp, oldmp.getContentType());
}
else if(np instanceof MimeBodyPart)
{
MimeBodyPart bp = (MimeBodyPart) np;
newmessage.setContent(bp, bp.getContentType());
}
else
// Just a String...
{
newmessage.setText((String) np);
}
//Save changes
newmessage.saveChanges();
return newmessage;
private static Object copyParts(Object content) throws Exception
{
if(content instanceof MimeMultipart)
{
MimeMultipart newmp = new MimeMultipart();
MimeMultipart oldmp = (MimeMultipart) content;
Object temp;
MimeBodyPart temp1;
for(int i = 0, n = oldmp.getCount(); i < n; i++)
{
temp1 = new MimeBodyPart();
temp = oldmp.getBodyPart(i);
if(temp instanceof MimeBodyPart)
{
410