Java Mail as text

public class MakeSend {
 
 String userName;
 String passWord;
 Logger logger = Logger.getLogger(MakeSend.class);
 
 public MakeSend(String userName,String passWord){
  
  this.userName = userName;
  this.passWord = passWord;
 }
  
 public String doSend(String smtp, StringBuffer msgBody,

String toEmail, String subject, String mimetype){
  
  Session mailSession;
  
  try{
   Properties mailProps = new Properties();
   mailProps.setProperty("mail.transport.protocol", "smtp");
   mailProps.setProperty("mail.smtp.host", smtp);
   mailProps.setProperty("mail.smtp.auth", "true");
   
   Authenticator mailAuth = new SMTPAuthenticator();
   mailSession = Session.getInstance(mailProps,mailAuth);
   Transport transport = mailSession.getTransport();
   
   MimeMessage msg = new MimeMessage(mailSession);
   
   msg.setFrom(new InternetAddress(userName));
   msg.setSubject(subject,"UTF-8");
   msg.addRecipient(Message.RecipientType.TO,

new InternetAddress(toEmail));
   msg.setDataHandler(new DataHandler(
     new javax.mail.util.ByteArrayDataSource(msgBody.

toString(), mimetype)));
   
   transport.connect();
   transport.sendMessage(msg, msg.getRecipients(Message.

RecipientType.TO));
   transport.close();
   
  } catch (MessagingException mex) {   
   logger.error("Email send failed, exception on:

[" + toEmail + "] -" + mex);
          return "ERROR";
  }catch (IOException ioex){
   logger.error("Email send failed, exception on:

[" + toEmail + "] -" + ioex);
   return "ERROR";
  }
  finally {
   mailSession = null;
  }
  
  return "OK";
 }
 
 private class SMTPAuthenticator extends Authenticator {
  
  public PasswordAuthentication getPasswordAuthentication(){
     
   return new PasswordAuthentication(userName,passWord);
  }  
 }

}