ic = new InitialContext();
final Session session = (Session) ic.lookupLink(snName);
final Properties props = session.getProperties();
props.put("mail.from", mailFrom); //blabla@mail.com
props.put("mail.from.alias", mailName);//"joao Ninguem"
// Create a message with the specified information.
final MimeMessage msg = new MimeMessage(session);
msg.setSubject(subject);
msg.setSentDate(new Date());
msg.setFrom(new InternetAddress(session.getProperty("mail.from"), session.getProperty("mail.from.alias"), "UTF8"));
msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(mailTo, false));
msg.setContent(body, "text/html");
// Create a transport.
Transport.send(msg);