Notes has a full set of Java APIs that would probably do the job. It treats everything as databases of documents, I think, so accessing the inbin would be like any other. If you know a Notes administrator you might see if they can run down the docs and jars for you.
A good question is never answered. It is not a bolt to be tightened into place but a seed to be planted and to bear more seed toward the hope of greening the landscape of the idea. John Ciardi