Fastmail Alternatives

When Fastmail raised and restructured its plans in April 2024, my inbox filled up with the same question: "Is it still worth it?" I've run my own domain email on Fastmail for years — several domains, a dozen aliases, my family's calendars — so I have a real stake in the answer. The short version: Fastmail is still the best pure email experience I've used, and it is also one of the most expensive email-only hosts out there. Both things are true, and which one matters depends entirely on what you're paying for.

At time of writing, the Individual plan runs $6/month month-to-month, $5/month billed annually ($60/year), down to about $4.67/month on a 36-month term, with 60 GB of storage split 50 GB mail/10 GB files. TechRadar's review opens with the same observation I'd make: the price tag is the first thing you notice. Business plans (per-user billing, admin controls) cost more again.

When it makes sense to leave Fastmail

Per-user economics stop working

Fastmail's individual pricing is fine for one or two people. The picture changes at five, ten, twenty mailboxes. Business email is a per-seat market, and at Fastmail's business rates (check current figures — they've adjusted tiers as recently as 2024), a twenty-person team can spend several thousand dollars a year on email alone. Zoho Mail and Google Workspace both undercut that math, and Microsoft 365 bundles an entire office suite for comparable money. If your spreadsheet flinches at renewal time, that's your signal.

You need end-to-end encryption as a default

Fastmail is private by policy — it doesn't scan your mail for advertising — but it is not end-to-end encrypted the way Proton and Tuta are. Fastmail holds the keys; its privacy policy is the protection. That's a reasonable trade for usability (server-side search, standard IMAP, any client), but if your threat model includes the provider itself — legal clients, journalists, health data — the honest answer is that Fastmail isn't the right tool and Proton or Tuta are.

You're paying for features you don't use

Masked Email, Scheduled Send, Snooze, the genuinely good webmail — these are why Fastmail costs what it does. I use them constantly and consider them worth the premium. But I've talked to plenty of people who just want reliable IMAP on their own domain with good spam filtering. If that's you, you're paying sports-car prices for a commute.

Mailbox storage and add-on costs

60 GB is generous for mail but shared across mail and files, and extra storage is a paid add-on. Heavy attachment users — design studios, photographers — hit the ceiling and then pay monthly for headroom. Rackspace Email and some Microsoft 365 tiers give more raw storage per dollar.

Admin and compliance needs grow

Fastmail's admin controls for teams are competent but not enterprise: think small business, not corporate directory. If you need advanced compliance, DLP, eDiscovery, or SSO integration with an existing identity provider, Microsoft 365 or Google Workspace are the actual answers, and staying on Fastmail means building workarounds you'll resent.

When you should stay

If you value email being fast and pleasant every single day, stay. Fastmail's webmail is the fastest I've tested, IMAP just works from every client I've thrown at it, and support is staffed by people who understand email at a protocol level — I've had answers in hours that would have been days elsewhere. The privacy position is honest and clearly documented, masking and aliases genuinely reduce spam, and there is no advertising business model anywhere in the company's structure. For a freelancer, family, or small team (up to maybe five people) on custom domains, I still think it's the best money in the category.

Stay too if you've built workflow on its specifics: shared mailboxes, per-domain aliases, masked email integration with 1Password. Migration cost is real, and email migration is the most annoying kind — see below. A 36-month term also drops the monthly rate meaningfully, so if price is the only complaint, that's the cheaper fix.

The alternatives

Zoho Mail — for teams watching per-seat cost

Zoho Mail is the value pick I recommend most often for small teams. Mail Lite starts around $1 per user per month on annual billing at time of writing — genuinely a fraction of Fastmail's business rates — with a Workplace tier bundling the office apps for a few dollars more. The interface is competent rather than delightful, and the sheer size of Zoho's product matrix means support can be a maze. But for "reliable custom-domain email for 15 people without the bill shock," it's hard to beat.

Google Workspace — for teams living in collaboration tools

If your team is in Google Docs, Meet, and Calendar anyway, paying for Workspace Starter (roughly $7 per user per month on annual billing at time of writing) consolidates two bills into one and removes the IMAP friction of mixing Fastmail with Google's collaboration tools. Gmail's search and filtering are excellent. The trade-offs are well-known: cost scales with seats, storage fills up across mail and drive together, and Google's data practices are a different bargain than Fastmail's. You know which one you're making.

Microsoft 365 (Email) — for organizations that need the full stack

Business Basic runs a few dollars per user per month at time of writing and includes Exchange mailboxes plus web Office apps; higher tiers add desktop apps. For compliance, shared mailboxes, delegation, and admin tooling, Exchange Online is the most capable option in this list. It is also the most complex, and if you just want personal domain mail, it's overkill. For companies already standardized on Microsoft, though, moving email here is usually where the story ends.

Proton for Business — for privacy-first teams

Proton gives you end-to-end encrypted mail, calendar, and drive with business admin features, priced per user at various tiers (roughly in the $6–$12 per user per month range at time of writing — verify on their site). If encryption-by-default is a requirement rather than a preference, this is the strongest option with real business tooling. Trade-offs: server-side search is limited on encrypted mail, third-party client support requires their bridge, and the calendar is less mature than Fastmail's. I moved one legal client here and they accepted those trade-offs happily; for my own mail I prefer Fastmail's usability.

Tuta (Tutanota) Business — for encrypted email on a budget

Tuta is the affordable end-to-end encrypted option, with business tiers that undercut Proton at time of writing. The trade-off is sharper: it's a closed ecosystem (no standard IMAP without their bridge/desktop approach; third-party client support is limited by design), and the feature set is narrower. For a small team that needs encrypted mail and doesn't care about IMAP, it's honest value.

Migadu — for domain collectors and tinkerers

Migadu prices by aggregate resources across your domains rather than per mailbox, which makes it a favorite for people like me who run a handful of domains with many aliases and few real humans. Entry pricing is modest — their tiers start in the low tens of dollars per year at time of writing. The interface is deliberately plain and the company is tiny (Swiss, privacy-minded). Not for people who want polished webmail; very much for people who want unlimited mailboxes on unlimited domains without per-seat billing.

Purelymail — for the cheapest honest option

Purelymail is a small, usage-based email host that charges about as little as viable paid email can — plans are billed around the low tens of dollars per year at time of writing; check their site, as pricing is usage-based and has changed. It supports custom domains, aliases, and standard IMAP/SMTP. The trade-offs are the obvious ones: one-person operation, no office suite, no fancy webmail, and you're trusting a very small company with your mail. For a personal domain or side project, I'd take it over free-tier compromises in a heartbeat.

Rackspace Email — for plain business mailboxes

Rackspace Email is the no-nonsense business option: hosted Exchange and plain business email at a few dollars per mailbox per month at time of writing, with 25 GB+ mailboxes and real phone support. It's not private in the Proton sense and not elegant in the Fastmail sense; it's a phone number you can call when email breaks at 9am on a Monday. Plenty of small businesses want exactly that.

How to switch without downtime

Email migration is worse than site migration because you can't just flip a record and be done — mail has to arrive while you move. The order I use, tested on several of these moves:

1. Create every mailbox and alias on the new provider first, with matching addresses. Don't move any DNS yet.
2. Copy the old mail across while both systems are live. Use IMAP-to-IMAP sync (imapsync is the tool I reach for; Fastmail is standard IMAP so it syncs cleanly to Zoho, Google, Migadu, or any IMAP host). Let a full sync run, then run incremental syncs right before the switch so almost nothing is left behind.
3. Lower your MX TTLs a day ahead, exactly like a website move. Old TTLs of 86400 mean a day of split-brain mail if you change providers on a whim.
4. Flip MX records to the new provider at a quiet hour. Mail to old addresses keeps flowing into the old system until caches expire, so run one more incremental sync after the flip to catch stragglers.
5. Watch both inboxes for 48 hours, then re-create any rules, sieve filters, and spam training you relied on (this is the step people skip and then complain about spam).
6. Keep the old account alive through one full billing cycle as a safety net, then cancel. Export a final archive locally first — Fastmail supports standard export, and you want a copy in your own hands regardless of provider.

Calendar and contacts move via CalDAV/CardDAV export and import in most of these directions; do that before you cancel, and expect to re-accept recurring meetings.

What I tell people who ask me to just pick for them

About once a month someone asks me to skip the analysis and name their email host. My answer depends on four questions, and you can run through them yourself in five minutes.

First: how many human beings need mailboxes? One or two, and the per-seat giants don't make sense. Stay on Fastmail, or if price is the whole complaint, look at the small value hosts. Ten or more, and per-seat pricing dominates the decision; price out Zoho and the two big suites against your headcount's real three-year cost before anything else.

Second: how sensitive is the mail itself? If a provider reading your mail is an unacceptable risk, legal privilege or health data or sources, the field narrows to the end-to-end encrypted providers immediately and usability comes second. If it's ordinary business correspondence, policy-based privacy like Fastmail's is a perfectly reasonable bargain and the extra usability is worth real money.

Third: what else lives beside your mail? Teams drowning in shared documents and meetings should consolidate onto the suite they already half-use rather than running mail separately. Mail-only people should avoid suites entirely and keep the money.

Fourth: how much do you hate migrating? Be honest here. Email migration is a half-day of focused work when it goes well and a weekend when it doesn't. If the projected saving is under a hundred dollars a year and nothing is functionally missing, the boring answer is to stay put, renew on a longer term to cut the rate, and revisit in a year with the actual invoice history in hand.

That last piece is the one people skip. Track what you pay per mailbox per year for two years before declaring the price a problem. Feelings about invoices are less reliable than statements.

How we evaluate hosting providers

We evaluate email hosts the way we evaluate web hosts: we pay for accounts, migrate real domains, and keep them long enough to see renewal invoices rather than teaser rates. The number that matters is the three-year cost per mailbox, so we track published renewal pricing and flag every quote as "at time of writing" with a source rather than pretending prices freeze. Beyond price we weigh deliverability (do your messages actually land?), support quality on real tickets, data portability on the way out, and — for email specifically — the honesty of the privacy claims. We don't take money for rankings, and when a provider's pricing page is ambiguous, we say so instead of inventing a number.

Where I'd start

If Fastmail's renewal notice bothered me but nothing was functionally missing, I wouldn't move at all; I'd switch to a 36-month term and check the bill in a year with real numbers in hand. If per-seat cost is the actual pain and the team is more than five people, Zoho Mail is the first tab I'd open. And if any mail in the account is genuinely sensitive, Proton or Tuta is the only honest destination and the usability trade is simply the cost of the requirement. Most other cases resolve to staying put and buying the longer term.