ugh. someone is signing up to like dozens of random accounts with my email address
yeah so I thought this was targeted and was secretive at first but turns out nope it's super widespread.

these are all from Zendesk and
I'm pretty sure you can filter them all with these rules here are some more complete rules. they adapted to a more difficult-to-filter spam vector. see replies
as far as i can tell based on various folks one talked to and also just my own inbox, this adversary is perhaps scraping emails from git? But I've also received a bunch of emails to addresses that I've never used for git (but I believe all of the non-git ones I used were given out to Zendesk customers), and even to non-existent addresses I've never used for anything. So, I'm not sure what's up with that.

I asked my mom and dad. They don't use git. They haven't received any spam. Unsure about the correlation between those two statements.
It also appears to have maybe stopped between 30-60 minutes ago? It was >1 email per minute before that and then nothing. Maybe Zendesk turned off their email system for now?
@sodiboo last one I got was 19 minutes ago, so I don't think it's necessarily over yet.