Notes from the workshop.

Long-form engineering writing on JMAP, mail search, deliverability, and the craft of building a modern email service.

• 2026-07-14·6 min read·The Pulsar team

  Why we built Pulsar Mail

  A short essay on why we're spending years on an email service in 2026, and what a modern JMAP-first mail server looks like when you start from scratch.

• 2026-07-01·12 min read·V. Rahimov

  Sub-100ms email search — the engineering

  Postgres, tantivy, and a bespoke shard rebalancer. A deep-dive into how we serve 40ms medians on 5-year mail archives.