One ZERO ID becomes your address at zero.sc — no new password, no separate signup. JMAP-native, an AI assistant built in, and full privacy on your own server.
Modern protocols, real privacy, and an assistant that actually helps.
Your handle at zero.sc, provisioned the moment you sign in — on your own domain.
Built on JMAP (RFC 8620/8621) — fast sync, no legacy IMAP round-trips.
Summaries, triage, and suggested replies powered by Claude Opus 4.8.
Your own Stalwart server. No third-party scanning, no ad profiling.
Find anything instantly. Auto-organize with rules. Snooze for later.
Sign in once with OAuth 2.1 + PKCE. No new account to manage.
Built on open standards
Sign in with ZERO ID and your mailbox is ready in seconds.