Email hosting for business: the best options in 2026, priced honestly

Ten people on Google Workspace Business Starter cost $840 a year. The same ten people on Zoho Mail Lite cost $120, on Fastmail Standard $600, and on a flat-rate domain plan the headcount stops mattering at all. Business email hosting in 2026 is really a fight between three pricing models: the office suite billed per seat, the plain mailbox billed per seat, and the domain billed flat. Which model fits you depends on what your team opens all day, and that is the question this page actually answers. (If you are still setting up the domain itself, start with our business email setup guide.)

How we compared: six providers, four criteria. The criteria are the per-seat cost curve (what the bill does as you hire), deliverability operations (who keeps SPF, DKIM, and DMARC healthy, and what outbound sending is allowed), admin burden (what setup and upkeep cost in attention), and what is bundled beyond the mailbox. Prices for Google, Microsoft, and Zoho come from the normalized pricing dataset we maintain for every comparison on this site, checked against live pricing pages. Fastmail was read directly from fastmail.com/pricing; Proton is labeled with its source inline. All prices are annual-billing effective unless we say otherwise. Last verified: August 7, 2026. One of the six products is ours, it is disclosed where it appears, and there are no affiliate links anywhere on this site; our methods and correction policy live on the editorial page.

1. Google Workspace: the default, and priced like it knows

Best for teams that live in shared documents and want one vendor for mail, files, and meetings.

The price: Business Starter is $7 per user per month on annual billing ($8.40 month-to-month), with 30 GB pooled storage per user. Business Standard is $14 with 2 TB per user. The "annual" plan is a 12-month commitment even when billed monthly, and avoiding the commitment costs exactly 20% more. Full tier math is on our Google Workspace pricing breakdown.

What you get for it is genuinely hard to beat: Gmail's inbound spam filtering, the deepest third-party ecosystem in the category, and up to 30 free aliases per paid user, so one seat can answer at many addresses. The genuine limitation is the cost curve. Per-seat pricing compounds with every hire, you cannot mix editions on one domain (a few people needing one Standard feature upgrades every seat), and Google has raised prices in 2019, 2023, and again in January 2025, when Gemini was bundled in whether you wanted it or not, at roughly 17% more. One more ceiling worth knowing before you build on it: outbound is capped around 2,000 recipients a day and bulk marketing mail violates policy, so a newsletter still needs a separate tool.

2. Microsoft 365 Business: for the Office-shaped company

Best for companies where the real work happens in desktop Excel, Outlook, and Teams.

The price: Business Basic is $7 per user per month annual (web apps only), Business Standard is $14 with desktop Office, both capped at 300 users. If you do not want Teams, Microsoft sells (no Teams) editions of both, $5.40 and $10.79, which keep the custom-domain mailbox and are the cheapest way into Microsoft email. Those are the July 1, 2026 prices: Basic rose 16% ($6 to $7) and Standard 12% ($12.50 to $14) in the second broad increase in four years. Mailboxes are a roomy 100 GB, shared mailboxes and aliases are included, and Business Premium at $22 bundles security tooling (Intune, Defender, Entra ID P1) that costs far more assembled separately.

The genuine limitation is the buying experience. Month-to-month runs 20% above annual, paying an annual commitment in monthly installments has carried a 5% surcharge since April 1, 2025, and the pricing pages now foreground the pricier Copilot bundles at $23.50 and $32, which makes the classic $14 Standard genuinely easy to miss. Budget an afternoon just to pick the right SKU. Deliberating between the two suites? We wrote a separate referee page for Google Workspace vs Microsoft 365.

3. Zoho Mail: the budget benchmark

Best for cost-driven teams that just need real mailboxes on their own domain.

The price: Mail Lite is $1 per user per month, the cheapest credible custom-domain mailbox on the market, and it quietly comes in two variants (5 GB at $1, 10 GB at $1.25). Mail Premium is $4 with retention, eDiscovery, and S/MIME. There is also a Forever Free plan for up to 5 users, which almost nobody else still offers in 2026. Our full tier table is on the Zoho Mail pricing page.

Two genuine limitations. Mail Lite and Premium are annual-billing only, verified in Zoho's own live price feed: you prepay 12 months per seat, full stop. And the free plan excludes IMAP, POP, and ActiveSync entirely, so it works only in Zoho's own apps; connecting Apple Mail or Outlook requires a paid seat. Users also commonly report steady upsell pressure into the wider Zoho ecosystem. Still: at $12 per user per year, the math forgives a lot.

4. Fastmail: the independent mailbox, done properly

Best for teams that want excellent email from a company that only does email.

The price, read from fastmail.com/pricing in August 2026: the Standard business plan is $5 per user per month on annual billing ($6 month-to-month) with 60 GB per user and custom domains included. A $3 Basic tier exists but excludes custom domains, so for business email on your own domain the honest Fastmail price is $5. Professional is $9 with 150 GB, and the tiers can be mixed per user, which the suites above will not let you do.

Fastmail's craft is real: fast apps, masked email addresses, JMAP (a modern protocol they co-authored), 24/7 support on business plans. The genuine limitation is scope plus the meter: it is email, calendar, and contacts only, with no docs or file suite, and it is still per-seat, so the bill climbs with headcount exactly like the suites do while bundling less than they do.

5. Proton: for confidentiality mandates

Best for firms whose clients or regulators expect end-to-end encryption: legal, health, finance, journalism.

The price: Mail Essentials is $6.99 per user per month billed annually ($83.88 per user per year), or $7.99 month to month, with 15 GB and 3 custom domains; the tier above it is $12.99 annual ($155.88 per year) with 1 TB. Read from proton.me/business/mail/pricing in a rendered browser on August 8, 2026, because Proton builds that page in JavaScript and it is invisible to a plain fetch. Zero-access encryption means Proton itself cannot read stored mail, and Swiss jurisdiction is part of the product.

The genuine limitation follows directly from the encryption: standard IMAP clients cannot connect without running Proton's Bridge application on each machine, third-party integrations are thin by design, and you pay suite prices without getting a suite. You are buying a security posture, and for the right firm that is exactly the point.

6. LetterDuck: the flat-rate domain (that's us)

Best for small teams, agencies, and media sites that answer at many addresses and send a newsletter, and want one bill for the whole domain.

The price: $50 per month per domain, flat. Unlimited addresses, because an address here is a routing rule, not a paid seat. Every address flows into one threaded team inbox where anyone can reply as any address on the domain. The newsletter desk, contacts, and deliverability operations are in the same $50: SPF, DKIM, and DMARC managed, a warm-up throttle, automatic suppression, and RFC 8058 one-click unsubscribe on every campaign send. The crossover math is simple: Workspace Starter passes $50 at 8 seats, and Fastmail Standard draws level at exactly 10. We built it for exactly the multi-address, small-team case; the pitch in full is on the small-teams page.

The genuine limitations, stated plainly: LetterDuck is email only, with no docs, drive, or video to bundle; it is a shared workspace rather than a set of private personal mailboxes, which some teams will rightly reject; and it is in waitlist, so you cannot sign up self-serve today. And if all you need is cheap seats, Zoho stays cheaper at any size a small business will reach.

Public list prices, August 2026, annual billing where offered. Google Workspace: Business Starter at $7 per user per month on annual billing. Business Standard is $14 and Business Plus $22. Month-to-month billing costs 20 percent more. Microsoft 365 Business: Business Basic at $7 per user per month on annual billing. Microsoft also sells a (no Teams) edition at $5.40 that keeps the custom-domain mailbox, which is the cheaper floor if you do not need Teams. Business Standard, which adds desktop Office, is $14. Month-to-month costs 20 percent more. Zoho Mail: Mail Lite at $1 per user per month, billed annually only ($12 per user per year, paid up front). LetterDuck is $50 per domain, flat, unlimited addresses and subscribers.

Same six products, three different buyers

A ranking is only honest if it names its weights, so here are ours, per buyer.

A 2-to-5 person startup should weight the cost curve at 40%, admin burden 30%, bundle 20%, deliverability 10%. On those weights Zoho Mail wins, Fastmail is the quality upgrade, and Workspace wins only if shared documents are already load-bearing. At this size every provider's deliverability is fine by default, so paying for it is waste.

A 10-to-50 person company that lives in documents should weight the bundle at 40%, admin 25%, cost 20%, deliverability 15%. Workspace and Microsoft 365 are the only serious answers, and the choice between them is mostly whether desktop Office is non-negotiable. Everything else on this page would leave that company assembling tools.

A small team that runs on email itself, agencies juggling client domains, media sites, anyone whose inbox is the product, should weight deliverability operations at 35%, cost curve 35%, admin 20%, bundle 10%. That is the buyer we built LetterDuck for, and on those weights we think we win: the deliverability work the suites leave to you is the part we run in code. The tradeoff is everything in the limitation paragraph above.

If you remember one number from this page, make it the crossover: per-seat email passes $50 a month at 8 seats on the cheapest Google plan. Below that line, buy Zoho or Fastmail and move on. Above it, or the moment your domain answers at more addresses than it has people, price the flat model before you add another seat.