@feditips @pfefferle I installed it and it didn't work. I had to figure out how to modify an .htaccess file properly on my WordPress host so that the ActivityPub plugin would work. Not sure but the conflict seemed Let's Encrypt related. Tech details here: https://geekblog.malcolmgin.com/2022/11/07/debugging-and-fixing-the-conflict-i-had-between-lets-encrypt-certificates-and-the-activitypub-plugin-for-wordpress-for-joining-the-fediverse/