properties.put("mail.smtp.host", "smtp-mail.outlook.com"); properties.put("mail.smtp.port", "587"); properties.put("mail.debug", "true"); properties.put("mail.smtp.auth", "true"); properties.put("mail.smtp.starttls.enable","true"); properties.put("mail.smtp.EnableSSL.enable","true"); I'm using follow code but got Error 530 5.7.0 Must issue a STARTTLS command first Please help | 0 |