org.apache.commons.net.smtp

## Class RelayPath

- java.lang.Object
- - org.apache.commons.net.smtp.RelayPath

-     public final class RelayPath
      extends Object

  A class used to represent forward and reverse relay paths. The SMTP MAIL command requires a reverse relay path while the SMTP RCPT command requires a forward relay path. See RFC 821 for more details. In general, you will not have to deal with relay paths.
  See Also:
    `SMTPClient`

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `RelayPath(String emailAddress)` Create a relay path with the specified email address as the ultimate destination.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addRelay(String hostname)` Add a mail relay host to the relay path.
    `String` | `toString()` Return the properly formatted string representation of the relay path.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### RelayPath

          public RelayPath(String emailAddress)

      Create a relay path with the specified email address as the ultimate destination.

      Parameters:
        `emailAddress` - The destination email address.

  - ### Method Detail

    - #### addRelay

          public void addRelay(String hostname)

      Add a mail relay host to the relay path. Hosts are added left to right. For example, the following will create the path `< @bar.com,@foo.com:foobar@foo.com >`

           path = new RelayPath("foobar@foo.com");
           path.addRelay("bar.com");
           path.addRelay("foo.com");

      Parameters:
        `hostname` - The host to add to the relay path.

    - #### toString

          public String toString()

      Return the properly formatted string representation of the relay path.

      Overrides:
        `toString` in class `Object`
      Returns:
        The properly formatted string representation of the relay path.

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