Marco Blog

Tech & Product Updates

Engineering·March 1, 2026

What Most Email Clients Get Wrong About IMAP

Here's a dirty secret of the email client industry: most modern email clients don't actually use IMAP. This explains a lot about why they have the privacy characteristics they have.

Isaac Hinman

Technology·February 22, 2026

Why Is Apple Mail Search So Bad?

You type a keyword into Apple Mail's search bar. You wait. Results trickle in. Half of them are irrelevant. You're not imagining it. Apple Mail search is genuinely, measurably bad.

Isaac Hinman

Opinion·February 12, 2026

Email Is Not Broken. Email Clients Are.

Every few months, someone raises a round of funding to "fix email." They're wrong. Email is one of the most successful communication protocols ever created. What's broken is what we've built on top of it.

Isaac Hinman

Comparison·February 20, 2026

Marco vs Superhuman

Marco vs Superhuman compared. Is Superhuman worth $30/month? See how Marco delivers speed, privacy, and offline access at a fraction of the price.

Marco Team

Comparison·February 5, 2026

Marco vs Spark

Comparing Marco and Spark email clients side by side. See how they stack up on privacy, offline access, speed, pricing, and platform support.

Marco Team

Guide·January 18, 2026

7 Best Gmail Alternatives in 2026

Looking for a Gmail alternative? We compared the best email clients for UI, multi-account management, offline access, and speed. Find the right Gmail replacement for your needs.

Marco Team

Comparison·December 28, 2025

Marco vs Apple Mail

Comparing Marco and Apple Mail. See why thousands of Mac users are switching from the default email app to Marco for better search, offline access, and multi-account management.

Marco Team

Technology·December 22, 2025

Offline-First Landscape

When we set out to build Marco, we knew we were committing to two very difficult requirements: IMAP-based (not API-based), and cross-platform. We drastically underestimated the complexity of offline-first.

Isaac Hinman

Company Updates·December 15, 2025

Marco: An Introduction

This post is technical in nature, and is the beginning of a series of technical discussions about the world of email, creating Marco, and more.

Isaac Hinman