Bare Bones Software today announced the release of Mailsmith 2.1.3, the latest version of its powerful e-mail client for Mac OS X. Mailsmith 2.1.3 is a maintenance release to fix reported issues and add minor interface refinements. The update package also includes SpamSieve 2.2, which was released yesterday. Version 2.1.3 is available free of charge to all registered Mailsmith 2.0 and 2.1 customers.