The MAILROOM is a world by H3BO3.
The world can be accessed with:resrec:///U-H3BO3/R-0d1a4ac9-944d-46ed-801b-933fa0bdab3b
resrec:///U-H3BO3/R-0d1a4ac9-944d-46ed-801b-933fa0bdab3b