We have boilerplate text you can use to contact the admin or moderators of a compromised server that's sending spam, available in English, Japanese, and Mandarin: https://docs.google.com/document/d/1z6yZuBcFNMStKBpNg9WGJjkmftZSFSIGvrRGfYvU5RA/
So far over a dozen compromised servers have modified their registration settings and removed any spam accounts and messages, thank you!
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.
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