MailService (AppEngine :: appengine-apis 2.0.17 API)

```
public interface MailService
```
The MailService provides a way for user code to send emails to arbitrary destinations.

Nested Class Summary

Nested Classes
Modifier and Type	Interface	Description
`static class`	`MailService.Attachment`
`static class`	`MailService.Header`
`static class`	`MailService.Message`	Messages are prepared by the caller, and then submitted to the Mail service for sending.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`send(MailService.Message message)`	Sends a mail that has been prepared in a MailService.Message.
`void`	`sendToAdmins(MailService.Message message)`	Send an email alert to all admins of an application.

- Method Detail
  - send
```
void send(MailService.Message message)
   throws IOException
```
    Sends a mail that has been prepared in a MailService.Message.
    The message will be delivered asynchronously, and delivery problems will result in a bounce to the specified sender.
    Sender and at least one of the collections for to, cc, bcc must not be null.
    
    Parameters:
    
    message - The message to be sent.
    
    Throws:
    
    IllegalArgumentException - when incorrect arguments are passed.
    
    IOException - on internal delivery errors.
  - sendToAdmins
```
void sendToAdmins(MailService.Message message)
           throws IOException
```
    Send an email alert to all admins of an application.
    The message will be delivered asynchronously, and delivery problems will result in a bounce to the admins.
    The content of the to, cc, bcc fields should be null.
    
    Parameters:
    
    message - The message to be sent.
    
    Throws:
    
    IllegalArgumentException - when incorrect arguments are passed.
    
    IOException - on internal delivery errors.