the misidentification was missing. the following works properly.
public void sendingnow() throws UnsupportedEncodingException{ Properties props = System.getProperties(); props.put("mail.smtp.host", "smtp.live.com"); props.put("mail.smtp.port", "587"); props.put("mail.transport.protocol","smtp"); props.put("mail.smtp.auth", "true"); props.put("mail.smtp.starttls.enable", "true"); props.put("mail.smtp.tls", "true"); props.put("mail.smtp.user", "peter_listew...@hotmail.com"); props.put("mail.password", "<MYPASSWORD>"); props.put("mail.debug","true"); javax.mail.Authenticator auth = null; auth = new javax.mail.Authenticator(){ @Override public PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication("peter_listew...@hotmail.com","<MYPASSWORD>"); } }; Session session = Session.getDefaultInstance(props, auth); String msgBody = "kk works"; try { Message msg = new MimeMessage(session); msg.setFrom(new InternetAddress("peter_listew...@hotmail.com", "lol")); msg.addRecipient(Message.RecipientType.TO, new InternetAddress("piotr.listewnik@uni- oldenburg.de", "kkk")); msg.setSubject("funktioiert!"); msg.setText(msgBody); msg.saveChanges(); Transport.send(msg); System.out.println("k works"); } catch (AddressException e) { System.out.println("excp 1"); } catch (MessagingException e) { System.out.println("excp 2"); System.out.println(e.getMessage()); } } -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.