# Hierarchy For Package com.sun.mail.smtp

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - com.sun.mail.smtp.DigestMD5
  - javax.mail.Message (implements javax.mail.Part)
    - javax.mail.internet.MimeMessage (implements javax.mail.internet.MimePart)
      - com.sun.mail.smtp.SMTPMessage
  - java.io.OutputStream (implements java.io.Closeable, java.io.Flushable)
    - java.io.FilterOutputStream
      - com.sun.mail.util.CRLFOutputStream
        - com.sun.mail.smtp.SMTPOutputStream
  - javax.mail.Provider
    - com.sun.mail.smtp.SMTPProvider
    - com.sun.mail.smtp.SMTPSSLProvider
  - com.sun.mail.smtp.SaslAuthenticator
  - javax.mail.Service (implements java.lang.AutoCloseable)
    - javax.mail.Transport
      - com.sun.mail.smtp.SMTPTransport
        - com.sun.mail.smtp.SMTPSSLTransport
  - com.sun.mail.smtp.SMTPSaslAuthenticator (implements com.sun.mail.smtp.SaslAuthenticator)
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - javax.mail.MessagingException
        - javax.mail.SendFailedException
          - com.sun.mail.smtp.SMTPAddressFailedException
          - com.sun.mail.smtp.SMTPSenderFailedException
          - com.sun.mail.smtp.SMTPSendFailedException
        - com.sun.mail.smtp.SMTPAddressSucceededException

## Interface Hierarchy

- com.sun.mail.smtp.SaslAuthenticator