## org.springframework.mail.javamail
Interface JavaMailSender

All Superinterfaces:
  MailSender

All Known Implementing Classes:
  JavaMailSenderImpl

    public interface JavaMailSender

extends MailSender

Extended `MailSender` interface for JavaMail, supporting MIME messages both as direct arguments and through preparation callbacks. Typically used in conjunction with the `MimeMessageHelper` class for convenient creation of JavaMail `MimeMessages`, including attachments etc.

Clients should talk to the mail sender through this interface if they need mail functionality beyond `SimpleMailMessage`. The production implementation is `JavaMailSenderImpl`; for testing, mocks can be created based on this interface. Clients will typically receive the JavaMailSender reference through dependency injection.

The recommended way of using this interface is the `MimeMessagePreparator` mechanism, possibly using a `MimeMessageHelper` for populating the message. See `MimeMessageHelper's javadoc` for an example.

The entire JavaMail `Session` management is abstracted by the JavaMailSender. Client code should not deal with a Session in any way, rather leave the entire JavaMail configuration and resource handling to the JavaMailSender implementation. This also increases testability.

A JavaMailSender client is not as easy to test as a plain `MailSender` client, but still straightforward compared to traditional JavaMail code: Just let `createMimeMessage()` return a plain `MimeMessage` created with a `Session.getInstance(new Properties())` call, and check the passed-in messages in your mock implementations of the various `send` methods.

Since:
  07.10.2003
Author:
  Juergen Hoeller
See Also:
  `MimeMessage`, `Session`, `JavaMailSenderImpl`, `MimeMessagePreparator`, `MimeMessageHelper`

Method Summary
`MimeMessage` `createMimeMessage()` Create a new JavaMail MimeMessage for the underlying JavaMail Session of this sender.
`MimeMessage` `createMimeMessage(InputStream contentStream)` Create a new JavaMail MimeMessage for the underlying JavaMail Session of this sender, using the given input stream as the message source.
`void` `send(MimeMessage mimeMessage)` Send the given JavaMail MIME message.
`void` `send(MimeMessage[] mimeMessages)` Send the given array of JavaMail MIME messages in batch.
`void` `send(MimeMessagePreparator mimeMessagePreparator)` Send the JavaMail MIME message prepared by the given MimeMessagePreparator.
`void` `send(MimeMessagePreparator[] mimeMessagePreparators)` Send the JavaMail MIME messages prepared by the given MimeMessagePreparators.

Methods inherited from interface org.springframework.mail.MailSender
`send, send`

Method Detail

### createMimeMessage

    MimeMessage createMimeMessage()

  Create a new JavaMail MimeMessage for the underlying JavaMail Session of this sender. Needs to be called to create MimeMessage instances that can be prepared by the client and passed to send(MimeMessage).

  Returns:
    the new MimeMessage instance
  See Also:
    `send(MimeMessage)`, `send(MimeMessage[])`

### createMimeMessage

    MimeMessage createMimeMessage(InputStream contentStream)
                                  throws MailException

  Create a new JavaMail MimeMessage for the underlying JavaMail Session of this sender, using the given input stream as the message source.

  Parameters:
    `contentStream` - the raw MIME input stream for the message
  Returns:
    the new MimeMessage instance
  Throws:
    `MailParseException` - in case of message creation failure
    `MailException`

### send

    void send(MimeMessage mimeMessage)
              throws MailException

  Send the given JavaMail MIME message. The message needs to have been created with `createMimeMessage()`.

  Parameters:
    `mimeMessage` - message to send
  Throws:
    `MailAuthenticationException` - in case of authentication failure
    `MailSendException` - in case of failure when sending the message
    `MailException`
  See Also:
    `createMimeMessage()`

### send

    void send(MimeMessage[] mimeMessages)
              throws MailException

  Send the given array of JavaMail MIME messages in batch. The messages need to have been created with `createMimeMessage()`.

  Parameters:
    `mimeMessages` - messages to send
  Throws:
    `MailAuthenticationException` - in case of authentication failure
    `MailSendException` - in case of failure when sending a message
    `MailException`
  See Also:
    `createMimeMessage()`

### send

    void send(MimeMessagePreparator mimeMessagePreparator)
              throws MailException

  Send the JavaMail MIME message prepared by the given MimeMessagePreparator.

  Alternative way to prepare MimeMessage instances, instead of `createMimeMessage()` and `send(MimeMessage)` calls. Takes care of proper exception conversion.

  Parameters:
    `mimeMessagePreparator` - the preparator to use
  Throws:
    `MailPreparationException` - in case of failure when preparing the message
    `MailParseException` - in case of failure when parsing the message
    `MailAuthenticationException` - in case of authentication failure
    `MailSendException` - in case of failure when sending the message
    `MailException`

### send

    void send(MimeMessagePreparator[] mimeMessagePreparators)
              throws MailException

  Send the JavaMail MIME messages prepared by the given MimeMessagePreparators.

  Alternative way to prepare MimeMessage instances, instead of `createMimeMessage()` and `send(MimeMessage[])` calls. Takes care of proper exception conversion.

  Parameters:
    `mimeMessagePreparators` - the preparator to use
  Throws:
    `MailPreparationException` - in case of failure when preparing a message
    `MailParseException` - in case of failure when parsing a message
    `MailAuthenticationException` - in case of authentication failure
    `MailSendException` - in case of failure when sending a message
    `MailException`

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