@fennek Hi fennek.
It looks like the message you sent didn't reach my account on fedisnap.com. The cause is unknown.
https://cyberplace.social/@fennek/111868209070901038
Anyway, it seems that you received Japanese spam.
I don't think email addresses are leaked from fedisnap.com, but do you have any idea why?
Additionally, fedisnap.com regularly receives spam accounts, all of which are in Vietnamese. I don't think they are targeted for sending Japanese spam. [参照]