Piotr Maj

i am getting this exception
javax.mail.MessagingException: IOException while sending message;
nested exception is:
java.io.IOException: No content

It is hard to solve your problem without seeing the Java code you wrote...

yes, this is possible. All you need is to write a custom datasource. Look at the code below:
package examples; import java.io.*; import javax.activation.*; import javax.mail.Session; import javax.mail.internet.*; public class ByteArrayTest { public static void main(String[] args) throws Exception { final byte[] attachment = "Attachment".getBytes(); MimeMessage message = new MimeMessage((Session)null); MimeMultipart multipart = new MimeMultipart(); MimeBodyPart part = new MimeBodyPart(); part.setDataHandler( new DataHandler( new DataSource() { public String getContentType() { return "application/pdf"; } public InputStream getInputStream() throws IOException { return new ByteArrayInputStream(attachment); } public String getName() { return "myfile.pdf"; } public OutputStream getOutputStream() throws IOException { return null; }})); multipart.addBodyPart(part); message.setContent(multipart); message.writeTo(System.out); } }

I hope this will be helpful.