LetterDuck vs Zoho Mail (2026)

Zoho is the budget champion of per-seat email and we are not going to argue otherwise. The question is what happens when mailboxes are not the whole job.

What each one is

Zoho Mail is the mailbox-hosting arm of the sprawling Zoho suite, and it is the cheapest credible custom-domain email on the market. Mail Lite is $1 per user per month (5 GB) or $1.25 (10 GB), annual billing only. Mail Premium at $4 adds compliance-grade features (retention, eDiscovery, S/MIME, backup) that cost far more elsewhere. There is even a Forever Free plan for up to 5 users on one domain, something almost nobody else still offers in 2026, though it works only in Zoho's own web and mobile apps. Step up to Workplace Standard at $3 per user (annual) and you get a full office suite: docs, sheets, chat, video meetings.

LetterDuck is an email workspace for one domain at a flat $50 a month: a threaded team inbox covering every address, reply-as-any-address, a newsletter composer with a designed template, and deliverability run for you (SPF, DKIM, DMARC, warm-up throttle, automatic suppression, RFC 8058 one-click unsubscribe). Unlimited addresses, unlimited seats, currently in waitlist mode. It replaces a mailbox host plus a newsletter platform, which is the only fair frame for its price.

What each costs

Monthly cost at	Zoho Mail	LetterDuck
1 person	$1	$50 flat
5 people	$5	$50 flat
10 people	$10	$50 flat

Public list prices, August 2026, annual billing where offered. 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.

Prices last verified August 7, 2026 in the USD column of mail-pricing-val.json, the live feed that renders Zoho's own pricing page. All five Mail and Workplace plans come out of that one file.

Zoho's seat math is linear and tiny: $12 a year for one seat, $60 for five, $120 for ten. LetterDuck never beats that on raw mailbox price, at any team size. Let us say it plainly, because most comparison pages will not: if the requirement is "email at our domain for a few people," Zoho is roughly a tenth of our price and a perfectly good product.

The math changes when the domain publishes. Zoho Mail is mailbox hosting; a newsletter needs a separate sending product with real unsubscribe handling, and blasting bulk mail through a mailbox host is a fast way to burn the domain's reputation. Price a real stack: a five-person team with a 5,000-contact newsletter pays Zoho Mail Lite $5 a month (annual billing) plus, say, Mailchimp Essentials at $75 a month at that list size (monthly billing, verified August 2026). That is $80 a month, about $960 a year, across two logins, two support queues, and two DNS setups. LetterDuck is $50 flat for both halves. Our email pricing guide runs this two-tool math across fourteen providers if you want the full picture.

One structural note: Mail Lite and Mail Premium have no monthly billing option at all. You prepay twelve months per seat. The amounts are small, but if you add seats mid-year across a growing team, the prepaid-annual bookkeeping is yours to carry. If you are surveying the whole per-seat field before deciding, our Google Workspace alternatives roundup lines the suites up side by side, Zoho included.

Feature by feature

Capability	Zoho Mail	LetterDuck
Price for 3 mailboxes	$3/month billed annually ($36/year)	$50/month flat
Free tier	5 users, 1 domain, web and mobile apps only	none; waitlist
IMAP / POP / ActiveSync	on paid plans (excluded from the free plan)	web workspace only
Office suite	Workplace Standard, $3/user annual, bundles docs, sheets, chat, meetings	email only
Compliance features	retention, eDiscovery, S/MIME, backup on Mail Premium ($4/user)
Multiple domains on one account	supported on Mail Lite	$50 per domain, each its own workspace
Addresses without seats	every real mailbox is a recurring seat	unlimited; an address is a routing rule
Whole-domain shared inbox	mail lives in per-user mailboxes	every address, one threaded view
Reply from any address	per-mailbox aliases	any teammate, any From address
Newsletter sending	mailbox hosting; bulk mail needs a separate product	composer, templates, per-recipient unsubscribe
Deliverability managed	DNS setup docs; monitoring is on you	SPF, DKIM, DMARC, warm-up, suppression, RFC 8058
Monthly billing	Mail plans are annual-only	flat monthly

Choose Zoho Mail if

You are one to five people who need mailboxes and nothing else. $12 per seat per year is the best deal in email, full stop.
You read mail in Apple Mail, Outlook, or Thunderbird. Zoho's paid plans speak IMAP, POP, and ActiveSync; we do not.
You need compliance machinery (retention, eDiscovery, S/MIME) at small-business prices. Mail Premium at $4 per user is remarkable for what it includes.
You want the wider suite cheap: Workplace Standard at $3 per user annual undercuts Google Workspace and Microsoft 365 by more than half.
Your newsletter either does not exist or already lives happily somewhere else.

Choose LetterDuck if

One domain needs mailboxes and a newsletter, and you would rather pay one flat bill than run a two-product stack.
You want tips@, press@, orders@, and every future address to exist the moment you think of it, with no new seat attached. On our side an address is a routing rule in the inbound pipeline, not a billable object.
The whole team should see and answer the domain's mail in one threaded place instead of forwarding between per-user mailboxes.
You do not want to be your own deliverability engineer. We configure the DNS, throttle the warm-up, suppress bounces automatically, and stamp RFC 8058 one-click unsubscribe headers on every campaign send.
You are a media site or small publisher: the mailboxes-plus-newsletter bundle on one domain is precisely the shape of that job.

Migrating from Zoho Mail to LetterDuck

Zoho's annual prepay sets the schedule: you have paid through your renewal date, so aim the cutover there and lose nothing. When your waitlist invite arrives:

Export your existing mail over IMAP from each paid mailbox using any desktop client. Note the gotcha: the Forever Free plan has no IMAP or POP, so free-plan mail can only be exported through Zoho's own migration and export tooling, not a standard client.
Add LetterDuck's generated DNS records for the domain: MX for inbound plus SPF, DKIM, and DMARC for authenticated sending. One paste session in your DNS panel.
Recreate addresses as routing rules. Every alias and shared address you had, plus the ones you never made because they would have cost a seat.
Import your newsletter list if one exists elsewhere, unsubscribes included, so prior opt-outs stay honored.
Parallel-run for a week. Keep Zoho live until every address round-trips correctly. Our own production pipeline is watched by a canary probe that traverses DNS, routing, parsing, and storage every 2 hours; we take inbound loss seriously because we have instrumented for it.

Realistic time: an afternoon of exports and DNS, a quiet week of parallel running, cutover at your Zoho renewal so the prepaid year is fully used.

FAQ

Is Zoho's Forever Free plan actually usable?

For web-and-phone people, yes: 5 users, 5 GB each, one domain, $0. The catches are structural: no IMAP, POP, or ActiveSync at all, so no Apple Mail, Outlook, or Thunderbird; it is offered only in select data centers; and it covers exactly one domain. It is a genuinely free lunch, eaten only inside Zoho's own apps.

Why is Mail Lite annual-billing only?

Zoho publishes no monthly price for Mail Lite or Mail Premium; the live pricing feed labels them yearly-subscription only, so a seat is a $12 (or $15 for 10 GB) upfront commitment. Workplace tiers do offer monthly billing at a 25 to 33% markup ($4 versus $3 for Standard). At these amounts prepay rarely hurts, but mid-year seat additions each start their own annual clock.

What is the 10 GB Mail Lite variant most comparisons miss?

Mail Lite quietly comes in two storage sizes: 5 GB at $1 and 10 GB at $1.25 per user per month. If your mailboxes are five years deep, the $0.25 doubles your headroom. Third-party comparison tables almost always list only the $1 tier.

Can I run my newsletter out of Zoho Mail directly?

You can BCC a list until the limits and the reputation math catch up with you. Mailbox providers treat bulk mail from a mailbox host differently from authenticated campaign mail with proper unsubscribe headers, and complaints land on your whole domain. Our stance: never send bulk from a mailbox product. Use a real sending pipeline with suppression and one-click unsubscribe, whether ours or anyone else's.

Can I keep Zoho for mailboxes and use LetterDuck only for the newsletter?

Technically, partially. Newsletter sending needs only TXT records (SPF and DKIM), which can coexist with Zoho's, but the inbox half of LetterDuck needs the domain's MX pointed at us, and MX lives in exactly one place. Split setups mean replies to your newsletter land in Zoho while campaign history lives with us. It works; it is just two tools again, which is the problem you were pricing your way out of.

What does Zoho have that LetterDuck simply lacks?

IMAP and desktop clients, an office suite, compliance tooling (retention, eDiscovery, S/MIME), a free tier, and per-seat prices we will never match for plain mailboxes. This page exists because the honest comparison is lopsided in both directions, depending entirely on whether the domain publishes a newsletter and how many addresses it needs.