Evan Prodromou@devnull because the `bcc` and `bto` properties are stripped before sending, there's no way for the receiving server to know how to deliver the activity if it comes to the shared inbox. So, you have to deliver it directly to the user's inbox.
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.