I’m a member of the Lemmy.World admin team.

Also, anyone can look at the moderation log at https://lemmy.world/modlog

It depends on who you’re trying to message.

Devs: https://join-lemmy.org/contact
Admins of Lemmy.World: see the post that @[email protected] linked already
Admins of piefed.social: https://piefed.social/about
Community moderators: check the community sidebar, it will show the moderator list

Your Lemmy.World account has been unbanned a couple days ago btw.

it’s mostly [email protected], [email protected], [email protected], and [email protected], though some of the latest spam also started arriving in [email protected].