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ScaledMail dashboard listing domains and inbox counts for Outlook, Google and SMTP with status and order buttons

Inboxes and domains in the dashboard

Managed Google, Microsoft and SMTP inboxes for cold email, with domains and DNS set up for you

from$3.50a month per inbox

Prices in US dollars as ScaledMail's pricing page showed them on 11 October 2026.

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  • Web
  • API

What ScaledMail does

This is ScaledMail, a US-based service that sets up and manages Google, Microsoft 365 and SMTP inboxes for cold email teams. You get domains, DNS and mailboxes configured for you, with a dedicated Slack channel for support.

  • Done-for-you inbox set-up

    ScaledMail registers or connects domains, creates the inboxes and configures SPF, DKIM and DMARC records, with packages ready within 24 to 72 hours.

  • Google, Microsoft and SMTP inboxes

    Packages can mix Google Workspace, Microsoft 365 and SMTP inboxes in any split, which ScaledMail says spreads sending across providers with different reputation signals.

  • Package builder

    Pick a daily or monthly sending volume and providers, and the builder works out the domains and inboxes needed and the monthly price, with optional reporting add-ons.

  • Pre-warmed domains

    Pre-aged, pre-warmed domains let teams send from the first day instead of waiting about two weeks for warm-up, or replace domains that have been burned.

  • Conservative sending limits

    Each inbox is capped at 25 cold emails a day on Google and 10 on Microsoft or SMTP, with customers on isolated tenants rather than shared infrastructure.

  • Slack support and API

    Every customer gets a dedicated Slack channel with ScaledMail's cold email team, and an API is documented for managing infrastructure programmatically.

Works with

  • Smartlead
  • Instantly
  • EmailBison
  • PlusVibe
  • Apollo
  • ListKit
  • lemlist
  • Saleshandy
  • Mailreach
  • Salesforge
  • Supersend
  • Clay
  • Google Workspace
  • Microsoft 365

How much ScaledMail costs

Google Workspace

$3.50a month per inbox

2 to 3 inboxes per domain, up to 25 emails a day each

  • SPF, DKIM and DMARC configured
  • Domain registration or connection
  • Ongoing deliverability monitoring
  • Dedicated Slack support channel
  • Reporting add-on $2 per inbox a month

Microsoft Outlook

$50a month per domain

25 inboxes per domain, up to 10 emails a day each

  • Isolated tenant for each customer
  • SPF, DKIM and DMARC configured
  • Ongoing deliverability monitoring
  • Dedicated Slack support channel
  • Reporting add-on $5 per domain a month

SMTP Server

$3.75a month per domain

4 inboxes per domain, up to 10 emails a day each

  • SPF, DKIM and DMARC configured
  • Domain registration or connection
  • Dedicated Slack support channel
  • Reporting add-on $2 per inbox a month

Prices shown with a $ sign (US dollars). Billed monthly with no long-term contract. Packages mix providers to a target daily volume; ScaledMail's example for 2,000 emails a day is $397.75 a month before reporting. No VAT information. Prices in US dollars, from ScaledMail's pricing page on 11 October 2026. ScaledMail may charge VAT on top, and prices can change.

ScaledMail pros and cons

Pros

  • Google inboxes from $3.50 each a month, Microsoft at $50 for 25 inboxes
  • Domains, DNS and inbox set-up done for you within 24 to 72 hours
  • Dedicated Slack channel for support, praised in Trustpilot reviews
  • Works with Smartlead, Instantly, EmailBison, Apollo, lemlist and others
  • Monthly billing with no long-term contract
  • Trustpilot score of 4.8 from 46 reviews

Cons

  • Prices only in US dollars, with no VAT information
  • Warm-up and sending need a separate paid sequencer
  • Low daily caps per inbox mean many domains for real volume
  • Reporting costs extra on top of the base price
  • Few independent reviews outside Trustpilot

Good for

  • B2B sales teams running cold outreach through a sequencer
  • Lead generation agencies managing inboxes for many clients
  • Teams that want DNS and inbox set-up handled for them
  • Senders who need to start quickly on pre-warmed domains

Look elsewhere if

  • Newsletters or shop marketing to subscribers who opted in
  • Anyone wanting one tool that also writes and sends campaigns
  • Senders targeting UK consumers or sole traders without consent

What reviewers say about ScaledMail

“One of the best, if not the best, providers out there.”

★★★★★ · Trustpilot reviewer, US, Trustpilot, 4 October 2026

“It saves so much time and money to be able to use this service to purchase inboxes for cold email”

★★★★★ · Trustpilot reviewer, US, Trustpilot, 1 August 2026

“Very great support. They're always there to fix problems.”

★★★★ · Trustpilot reviewer, Portugal, Trustpilot, 31 July 2026

What reviewers like

  • Fast, hands-on support through a shared Slack channel
  • Saves the time of setting up domains and DNS
  • Reliable inboxes for cold email at volume
  • Problems fixed within about a day

What reviewers complain about

  • Few critical reviews to judge weaknesses by
  • Cost adds up once reporting and many domains are included
  • Still needs a separate sequencer for warm-up and sending

What members think

Rating ScaledMail

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ScaledMail: what to know before you pay

The product

ScaledMail is infrastructure for outbound email. Instead of buying mailboxes and wrestling with DNS yourself, you tell it how much you want to send and it builds the domains and inboxes for you. It offers Google, Microsoft and SMTP inboxes, and says it manages a very large number of them.

The setup

You choose a sending volume and your providers, then register domains elsewhere or buy them through ScaledMail. Its team configures the domains, authentication records and inboxes for you, and says setup takes a few business days. Pre-warmed, pre-aged domains are available if you want to send without the usual warm-up period.

Support

Every customer gets a dedicated Slack channel with cold email specialists. ScaledMail positions this as the difference from generic support teams, because the people answering can look at your setup and say what is wrong with it.

Pricing

Packages are built around sending volume and the providers you pick, and a package builder on its pricing page shows the cost before you commit. Google, Microsoft and SMTP inboxes are priced differently, and reporting is an optional extra. The terms say fees are non-refundable, and you can cancel through your account settings, taking effect at the end of the billing period.

Who it suits

It suits sales teams, agencies and founders who send cold email at volume and would rather spend their time on copy and targeting than on DNS and deliverability. The inboxes work with the main sequencing tools, including Smartlead, Instantly, EmailBison, PlusVibe and Lemlist. You can create a free account without a card to look around. Larger teams can book a demo or a call with its cold email specialists first, which helps if you are not sure what volume you need yet.

  • Discount

    beehiiv

    Newsletter platform with a website, podcast hosting, an ad network and paid subscriptions, free up to 2,500 subscribers

    Free plan · from $49 a month 4.0 on Trustpilot (409)20% off your first three months of beehiiv
  • Discount

    Privy

    Email, SMS and sign-up pop-ups for Shopify, BigCommerce and Wix shops, priced by mailable contacts

    15-day free trial · from $24 a month 3.4 on Trustpilot (5)15% off your first 12 months of Privy

Questions about ScaledMail

Are there any ScaledMail discount codes?

We don't currently list a confirmed discount code. That doesn't mean the store has no promotions; check its website for current prices.

What does ScaledMail do?

It sets up and manages email inboxes and domains for cold outreach. It configures Google, Microsoft 365 and SMTP accounts, including authentication records, so you can plug them into your sequencer.

Do I need to warm up ScaledMail inboxes?

Warm-up runs in your sequencing tool, and ScaledMail recommends allowing a couple of weeks before scaling volume. It also sells pre-warmed domains that can send from day one.

Does ScaledMail work with Instantly and Smartlead?

Yes. It says its inboxes are compatible with all major sequencing platforms, including Smartlead, Instantly, EmailBison and PlusVibe.

Can I buy my own domains for ScaledMail?

Yes. You can use domains from any registrar, or search for and buy domains inside the ScaledMail app.

Can I get a refund from ScaledMail?

Its terms say fees paid are non-refundable. You can cancel through your account settings, and cancellation takes effect at the end of the current billing period.

Got a question about ScaledMail?