Built for advertising agenciesmarketing agenciesdesign studiosbrand consultanciesperformance marketersthe agency you already run

The email platform your clients will think you built.

SendTo is the next generation of email marketing — campaigns designed by AI in the client’s brand, sending no receiver can pattern, every inbox verified before it is mailed — launched under your name this afternoon. Your clients subscribe to it. You take the credit, the margin and the relationship.

99.7% deliverabilityDomains, warmup and DNS handledAI designs the campaignsNo contract
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Fairview RealtyServices · Book · Contact
14 Harbour View. Just listed.

Four bedrooms, water views from every level, and a kitchen that will make you cancel your restaurant plans.

Book a private viewing →
Private viewings this weekend — 6 slots left
Fairview Realty · 22 Marine Parade · Unsubscribe · Preferences
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Northgate DentalServices · Book · Contact
Six months already? Let’s keep that smile on track.
Hygiene visit included — book by 30 September
Northgate Dental · 14 High Street, Leeds · Unsubscribe · Preferences
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Brightpath FitnessServices · Book · Contact
Thirty days. Zero excuses.
Claim my free month →
Free month for new members — ends Sunday
Brightpath Fitness · Unit 4, Riverside Park · Unsubscribe · Preferences
31.4%human opens · Spring reminder
99.7%delivered, platform-wide

The businesses your clients run. Now subscribers to your platform.

Northgate DentalFairview RealtyBrightpath FitnessOsteria LumeRoast & Co.Maison FerroAzure Cove ResortHarbourside LawMeridian PhysioLumen SolarNorthgate DentalFairview RealtyBrightpath FitnessOsteria LumeRoast & Co.Maison FerroAzure Cove ResortHarbourside LawMeridian PhysioLumen Solar
The idea

Email platforms just skipped a generation. Yours is on the right side of it.

Every public email tool your clients have seen is a template editor bolted to a shared sending pipe. SendTo is what comes after: campaigns designed, not templated; sending engineered so no receiver can pattern it; every inbox verified before it is mailed. And it runs under your name — so when a client asks who built this, the answer is you.

The tech your clients assume you have

AI that designs the campaign and the page. A sending system a generation ahead of the tools they know. Your logo on all of it. You look like the founder who built it, because as far as they can tell, you did.

SaaS revenue, from the book you already have

Retainers get renegotiated. Projects end. A subscription to your platform arrives on the first of every month, from every client, whether you were in the office or on a beach.

A product nobody can price-check

Your clients log in to your platform. There is no vendor website to compare against and no cheaper login to find. Your price is your price, and your name is on the door.

The work

Campaigns that look like a $10,000 agency job. Designed by the platform, in the client’s brand.

The AI reads the client’s brand preset and the campaign brief — offer, audience, message, proof, tone — and returns a fully designed HTML email: hero, sections, offer, proof, footer, ready to send. Your clients will assume you hired a designer. You did not.

hello@northgate-mail.com · Your six-month check-up is due, Sarah
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Northgate DentalServices · Book · Contact
Six months already? Let’s keep that smile on track.
Book before the 30th and your hygiene visit is included.
Book my check-up →
Same-day slotsMornings and evenings
Hygiene includedWhen you book this month
Open Saturdays9am to 2pm
Hygiene visit included — book by 30 September
★★★★★
“Painless. Quick. The reminder came exactly when I needed it.” — Sarah M., patient since 2019
Northgate Dental · 14 High Street, Leeds · Unsubscribe · Preferences
hello@brightpath-mail.com · Your first month is on us
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Brightpath FitnessServices · Book · Contact
Thirty days. Zero excuses.

Unlimited classes, no joining fee, cancel whenever. Starts the day you walk in.

120+ classes
Every week, every level
No joining fee
Ever
Cancel anytime
From your phone
“I came for the free month. I stayed for the 6am crew.”
Daniel O., member
Claim my free month →
Free month for new members — ends Sunday
Brightpath Fitness · Unit 4, Riverside Park · Unsubscribe · Preferences
hello@fairview-homes.com · Just listed: 14 Harbour View
View in browser
Fairview RealtyServices · Book · Contact
14 Harbour View. Just listed.

Four bedrooms, water views from every level, and a kitchen that will make you cancel your restaurant plans.

Book a private viewing →
4 bed · 3 bath
Double garage
Water views
From every level
Open Saturday
11am to 12pm
★★★★★
“Fairview sold our last place in nine days. Nine.” — The Chens, Harbourside
Private viewings this weekend — 6 slots left
Fairview Realty · 22 Marine Parade · Unsubscribe · Preferences
hello@osteria-lume.com · The autumn menu is here. Your table is waiting.
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Osteria LumeServices · Book · Contact
A new season. A new menu. Your usual table.

Twelve new dishes from the woodfire, and the wine list has grown up a little too.

Reserve a table →
12 new dishes
From the woodfire
Sunday lunch
Three courses, one price
Private dining
For 8 to 24
★★★★★
“Still the best cacio e pepe outside of Rome.” — Priya R., regular
Regulars’ preview: Thursday 2nd, a glass on us
Osteria Lume · 9 Lantern Lane · Unsubscribe · Preferences
Speed to production

Build a campaign this afternoon. Show it to a client tonight.

There is no implementation project, no DNS ticket and no waiting for a domain to warm before you can put something real in front of a client.

Minutes

Brand your portal

Logo, colours, your domain. From now on every screen, every report and every email the platform sends carries your name.

Seconds

Create a client

A name and a brand preset. The platform seeds a sample workspace, registers brand-matched sending domains and starts warming them.

While it loads

Import their list

The importer maps their spreadsheet, reuses your fields and verifies every address at the mailbox before it can hurt a domain.

This afternoon

Send the first campaign

Brand preset, campaign preset, generate. The platform designs the email and the page, reviews the campaign, and you launch.

Every send is made unique. That is the whole secret.

Receivers throttle senders who look the same every day. So the platform makes sure yours never do. Every campaign is produced in several creative variants and spread across several brand-matched domains, each paced in its own lane per receiver, each warmed on its own history and capped per day. The odds of any receiver seeing the same email, from the same domain, on the same day, become vanishingly small — and every domain and variant you add makes them smaller.

Landing pages are served on the same domains, so the click agrees with the send. Every address was verified with its receiving server before it was ever mailed. It is the sending system a deliverability engineer would build if they had the time, running for every client, on every campaign, without anyone touching it.

  • Creative variants × sending domains × receiver lanes
  • Warmed and capped per domain, per receiver, per day
  • Pages on the sending domain; addresses verified first
Spring reminder · 3 creative variants × 4 sending domains · paced per receiver
Every recipient gets one combination
Rarity: very high
Anorthgate-mail
Anorthgatenews
Ahello-northgate
Anorthgate-updates
Bnorthgate-mail
Bnorthgatenews
Bhello-northgate
Bnorthgate-updates
Cnorthgate-mail
Cnorthgatenews
Chello-northgate
Cnorthgate-updates
12 distinct sends in this campaign. Add a domain or a variant and the odds of any receiver seeing the same email from the same domain on the same day fall again.
Per-receiver lanes, per domain
Gmail1,180/hr · capped
Microsoft640/hr · capped
Yahoo410/hr · capped
Others920/hr · capped
Each lane is warmed on its own history and capped per day, so no domain ever reaches a receiver’s tripwire.
Inside the platform

Everything your clients will use. Everything you will bill for.

One login for your team. One branded portal for every client. Click through.

https://portal.harbourfinch.com/dashboard
Harbour & Finch
Dashboard
Clients
Campaigns
Domains
Reports
Billing
Team
Good morning, Claire
Tuesday 10 September · 26 active clients
+ New client
Monthly revenue
$18,400
▲ 12% vs last month
Active clients
26
+3 this month
Delivered
99.7%
platform-wide
Campaigns sent
84
this month
Revenue from clientsLast 12 months
Domain health
northgate-mail.comEstablished
fairview-homes.comEstablished
brightpath-mail.comWarming
osteria-lume.comWarming
ClientYour priceCampaignsDeliveredStatus
NNorthgate Dental$600/mo699.8%Active
FFairview Realty$900/mo1199.7%Active
BBrightpath Fitness$600/mo499.6%Active
LOsteria Lume$450/mo399.9%Active
MMaison Ferro$750/mo899.7%Active
https://portal.harbourfinch.com/clients/northgate/campaigns/new
DesignLanding pageAudienceDeliveryScheduleReview
N
Northgate Dental
Brand preset · teal & amber, warm voice
Applied
Campaign preset
Offer
Six-month check-up, hygiene visit included
Audience
Patients last seen 5–7 months ago
Message
Six months already? Keep that smile on track
Call to action
Book my check-up
Proof
4.9 stars, 1,200+ reviews
Tone
Warm, brief, no jargon
Design this campaign
Designed · 3 creative variants
AYour six-month check-up is due, Sarah
BSix months already? Let’s keep that smile on track
CHygiene visit included — if you book by the 30th
View in browser
Northgate DentalServices · Book · Contact
Six months already? Let’s keep that smile on track.
Hygiene visit included — book by 30 September
Northgate Dental · 14 High Street, Leeds · Unsubscribe · Preferences
https://fairview-homes.com/harbour-view
Fairview RealtyServices · About · Reviews · Book
14 Harbour View. Just listed.

Four bedrooms, water views from every level, and a kitchen that will make you cancel your restaurant plans.

★★★★★ 4.9 from 1,200+ reviews
Book a private viewing
Your name
Email or mobile
Preferred day
Book a private viewing
4 bed · 3 bathDouble garage
Water viewsFrom every level
Open Saturday11am to 12pm
“Fairview sold our last place in nine days. Nine.” — The Chens, Harbourside
Private viewings this weekend — 6 slots leftBook a private viewing
https://portal.harbourfinch.com/reports/2318 · share link on
Spring service reminder
Northgate Dental · sent 3 Sep · 48,212 recipients
Delivered 99.7%
Delivered
48,067
Human opens
31.4%
Clicks
6.8%
Bookings
412
Opens over 14 days · humans only
● Human opens 31.4%
● Automated 12.1%
Scanners never count as customers.
VariationSubject lineHuman opensClicks
A · winnerYour six-month check-up is due, {first name}33.2%7.4%
BSix months already? Let’s keep that smile on track29.6%6.2%
https://portal.harbourfinch.com/clients/northgate/domains
Sending domains · Northgate Dental
All authenticated
northgate-mail.com
Registered Mar 2026 · SPF, DKIM, DMARC aligned · tracking + pages hosted
Established
northgatenews.com
Registered Mar 2026 · SPF, DKIM, DMARC aligned · tracking + pages hosted
Established
hello-northgate.com
Registered Jul 2026 · SPF, DKIM, DMARC aligned · tracking + pages hosted
Warming · day 19
northgate-updates.com
Registered Aug 2026 · SPF, DKIM, DMARC aligned · tracking + pages hosted
Warming · day 6
Nobody at Northgate has logged into a registrar or touched a DNS record. They never will.
The business model

A handful of retainer clients covers the platform. Everything after that is margin.

Run it as pure software, as managed campaigns, or as both. Your clients are billed through the platform in your brand, you are paid out every month, and past a certain point the platform fee comes out of your profit before you ever see an invoice.

The SaaS play

Clients sign up at your portal, onboard themselves with the sample workspace and walkthroughs, and pay you monthly. You oversee. The platform runs.

The managed play

Your team runs every campaign — designed by the AI, finished by your people — and the client pays for the platform and the service together.

The hybrid

Strategy and the big campaigns from you; the routine sends from the client, on your platform. The most common shape, and the most profitable.

https://portal.harbourfinch.com/login
Harbour & Finch
Your campaigns. Your results. One login.

Build, send and read the report — all in the platform Harbour & Finch built for you.

Welcome back
you@northgatedental.co.uk
••••••••••
Log in
Forgot password? · Need an account?

Your clients log in to your platform. They will never hear of ours.

The portal runs on your domain. Your logo is on the login screen, the dashboard, the campaign builder, the reports and every email the platform sends on your behalf — welcome, password reset, the lot. Billing runs in your name.

That is the difference between reselling somebody’s tool and owning the platform. When a client recommends “our email platform” to a friend, it is your name they say.

  • Your domain, your logo, your welcome email
  • Team roles across every client, view-as access for support
  • Billing in your name, at prices you set
Partners

Agencies that stopped renting email and started owning it.

26 clientson the platform in 90 days

We moved fourteen client accounts across in two weeks. The reports changed the conversation — clients stopped asking whether email works and started asking what we should send next.

Claire WhitfieldFounder, Harbour & Finch
½ dayper campaign, from a full day

The designs are good enough that our creative team finishes instead of starts. A campaign that took a designer and a copywriter a day takes an account manager an afternoon.

Priya RamanCreative Director, Fieldnote Digital
Monthlyrecurring revenue, under his brand

Deliverability used to be something I explained. Now it is something I deliver — and I am paid every month for the result instead of once for the report.

Daniel OkaforPrincipal, Meridian Deliverability
The investment

Less than a junior hire. Worth more than a senior one.

Hire a junior marketerBuild your own platformSendTo
What it costsA salary, on-costs and a deskEngineers, eighteen months and a deliverability hire$3,200 a month, live today
Clients it can serveTwo or three, by handAs many as your engineers can keep up withUnlimited — no per-client fee
DeliverabilityWhatever the public tool allowsYour on-call rotaEngineered in: domains, warmup, variants, pacing, verification
Design and copyOne person’s taste and calendarAnother team to hireDesigned emails and landing pages from the brief
Whose brandThe tool’s, on every screenYours, eventuallyYours, from the first login
What you own at the endA leaver and a loginA codebase to maintainA platform with paying subscribers, in your name

Do the arithmetic on your own client list. Most partners find the platform is covered by the first few, and that what is left over is the best margin in the agency.

Questions

What agency owners ask before they launch.

How fast can I be earning from this?

This week. Partners brand the portal on day one, create their first client the same day and send that client’s first campaign within the week. Bill from the first month — the client gets designed campaigns, a landing page on their own domain and a report they can read, immediately.

Do my clients ever see the SendTo name?

No. Your portal runs on your domain with your logo. Login, dashboard, builder, reports, welcome emails, password resets and billing all carry your brand.

What happens to my clients if I ever fall behind on the platform?

Nothing happens to them. A client’s account is never deleted and never locked out because of the partner’s bill — even if the partner leaves — and mail already in flight is never interrupted. Their campaigns, lists, domains and reports stay exactly where they are. Clients keep their own subscription and usage current in the normal way.

Who handles billing?

The platform does, under your brand. Every client is billed through it, you are paid out, and you choose whether the platform fee is paid by card or taken from your balance. Past a certain point, the fee is covered before you see it.

What about DNS, domains and warmup?

Handled. The platform registers brand-matched sending domains for every client, sets up authentication, hosts the tracking links and landing pages, and warms the domains automatically. Nobody touches a DNS record.

Can I try it before I pay?

Yes. Create your account and explore everything — your portal, the builder, the Landing Page Studio, the reports — with a sample workspace already loaded. Sending switches on when you activate. No card needed to look around.

Your clients are already paying for email. Make sure it is you they pay.

Launch your platform this afternoon. Onboard your first client tonight. Send them a report by Friday.

No contract · Cancel any time · Explore everything before you pay