SuperMailOS
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Changelog

What we’ve shipped.

The notable work that’s landed in SuperMailOS. Dates are when the work reached the product; smaller fixes ship continuously in between.

Inbox

Inbox, wave 2 — composing and acting on mail

  • Rich-text compose, with reply and forward.
  • Bulk select to act on many threads at once.
  • Snooze and trash for keeping the inbox clear.
  • Toast notifications so every action confirms itself.
InboxDesign

Inbox, wave 1 — the foundation

  • A new design system across the whole app.
  • A rebuilt inbox data layer behind threading, search and labels.
  • Mobile navigation for the app.
  • A pass of site-wide fixes alongside the rebuild.

Site

Landing & site revamp

  • An editorial redesign of the landing page around the 'one inbox, every domain' idea.
  • A drawn value diagram in place of stock product screenshots.
  • Live, honest demos on each setup step — pick aliases, verify DNS, reply as any address.
  • A choreographed motion layer that respects prefers-reduced-motion.
  • A whole-site design-language sweep, with dark mode throughout.

Deliverability

Domains & deliverability

  • One-click DNS added Spaceship, joining Cloudflare, DigitalOcean, Linode, Vultr and Hetzner.
  • postmaster@ is auto-provisioned as an alias on every mailbox.
  • Address-collision pre-flight checks the mail server before creating an alias.
  • MTA-STS enforcement with TLS-RPT reporting on our own domain.
Content

SEO & AI-visibility content surface

  • A programmatic content surface: deliverability guides, use-case pages and comparison pages, each with its own hub.
  • llms.txt, IndexNow submission and FAQ/Product structured data so search and AI answer engines can cite accurate facts.

Come see the current build

Everything above is live in the product. Start a free trial and try it on your own domain.

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