I need find solution about my problem. I need to generate email with address, subject, body and attachment and open this in local email client Outlook/Thunderbird etc. I tried this methods:
AWT.Desktop
Desktop desktop = Desktop.getDesktop();
String message = "mailto:username@domain.com?subject=New_Profile&body=seeAttachment&attachment=c:/Update8.txt";
URI uri = URI.create(message);
desktop.mail(uri);
ProccessBuilder
in cmd I was using mailTo