Sending Mail With The Java Low Level API

Code example on how to send mail using the Java low level API. This code generates the appropriate From address based on your application’s ID.

MailService.Message message = new MailService.Message();
message.setSubject(subject);
message.setTextBody(body);
String application_id = SystemProperty.applicationId.get();
String sender = "[email protected]" + application_id + ".appspotmail.com";
message.setSender(sender);
MailServiceFactory.getMailService().sendToAdmins(message);