K. Ryabitsev on Nostr: FYI, the Fedi spam problem is only starting out. It won't take much effort for ...

FYI, the Fedi spam problem is only starting out. It won't take much effort for someone to write a payload running on random compromised webservers to send copious amounts of spam via activitypub, making blocklists ineffective.

We will basically need to implement all the same anti-abuse stuff we're already doing for email in order to cope with it on the fediverse -- greylisting, dnsbl, domain authentication, etc.

Sadly, the only way this won't happen is if ActivityPub stays sufficiently niche to make other targets more popular for spammers.