| Interface | Description |
|---|---|
| AdaptableMailbox |
An adaptable mailbox can be wrapped by another mailbox to act in behalf of that.
|
| FallThroughCapableMailbox |
A fall through capable mailbox can directly call the update method of its
Receiver instead of using the
standard post-deliver mailbox semantics. |
| Mailbox |
A mailbox is associated with every
Receiver. |
| MessageIndexerFactory<I extends MessageIndexer> |
A factory used to create message indexers for
Mailboxes. |