Is Maildoso or ScaledMail cheaper?

Maildoso starts at $75 per month for thirty mailboxes, about $2.50 each (free trial). ScaledMail starts at About $99 per month, with Google mailboxes around $3.50 each.

Maildoso vs ScaledMail

An independent, review-free comparison compiled by the SaaSTracker editorial team. Both products are profiled in full, and neither can pay for placement here.

The short answer

Editorial assessment

ScaledMail compared with Maildoso

Opposite ends of the same category. Maildoso is self-serve private SMTP from forty-nine cents a mailbox with an API, an MCP server, and automated placement tests, and it expects you to run the estate. ScaledMail is many times the price and runs the estate for you across three providers. The decision is not about deliverability quality, it is about whether operating infrastructure is work you want.

Choose Maildoso if

High-volume outbound teams and agencies that have already chosen a sending platform and want the lowest possible cost per authenticated mailbox, accept lower per-mailbox daily sending in exchange, and value automated placement testing, IP rotation, and an API over the prestige of real Workspace accounts.

Choose ScaledMail if

Teams and agencies that would rather buy infrastructure as a managed service than operate it, want Google, Microsoft, and SMTP mailboxes under one vendor, and value direct access to deliverability specialists in a shared Slack channel over self-serve speed and API control.

Side by side

13 attributes

Attribute	Maildoso	ScaledMail
Category	Infrastructure	Infrastructure
Starting price	$75 per month for thirty mailboxes, about $2.50 each (free trial)	About $99 per month, with Google mailboxes around $3.50 each
Pricing model	Monthly mailbox packages with steeply falling unit cost by volume, plus separate domain registration at a flat annual rate; legacy quarterly bundles that include domains remain listed.	Managed packages sized by monthly sending volume, with Google mailboxes priced per mailbox, Microsoft priced per domain, and an SMTP option priced per domain. Reporting is an add-on and there are no setup fees.
Free plan	No	No
Free trial	None, but a thirty-day money-back guarantee applies to new users on monthly SMTP packages	No
Best for	High-volume outbound teams and agencies that have already chosen a sending platform and want the lowest possible cost per authenticated mailbox, accept lower per-mailbox daily sending in exchange, and value automated placement testing, IP rotation, and an API over the prestige of real Workspace accounts.	Teams and agencies that would rather buy infrastructure as a managed service than operate it, want Google, Microsoft, and SMTP mailboxes under one vendor, and value direct access to deliverability specialists in a shared Slack channel over self-serve speed and API control.
Setup time	Under ten minutes for configuration: about five minutes to register a mailbox, up to fifteen for a new domain, and up to twenty-four hours for an existing domain. Real volume still waits on warm-up and ramping, so plan days to weeks rather than minutes before scaling.	Two to four business days from package agreement to usable mailboxes. Pre-warmed domains remove the aging wait; without them, plan two to three weeks of warmup before full sending volume.
Learning curve	Low for the tool, moderate for the operating discipline. The console and API are simple. What takes judgement is holding to about eight mailboxes per domain and fifteen sends a day each even though the platform will permit far more, and acting on the placement tests rather than filing them.	The lowest in the category, because the learning is largely done for you. What remains is the operating discipline of ramping slowly and staying near the published daily send guidance, which the Slack channel exists to reinforce.
Platforms	Web app, Bulk domain and mailbox provisioning console, REST API, MCP server	Managed service with a customer dashboard, Google Workspace, Microsoft 365, Private SMTP
Compliance	SPF, DKIM, and DMARC configured automatically on every provisioned domain, CAN-SPAM and GDPR sender obligations remain entirely yours, since Maildoso supplies infrastructure and never touches campaign content, Published daily sending guidance of about fifteen cold emails per mailbox, which is itself a compliance-relevant control	SPF, DKIM, and DMARC configured on every domain as part of the managed setup, CAN-SPAM and GDPR sender obligations remain entirely the customer's, since ScaledMail supplies infrastructure and never touches campaign content, Published per-mailbox daily sending guidance is itself a compliance-relevant control, and it is more conservative than most of the category
Founded	2023	2022
Headquarters	California, United States	St. Petersburg, Florida, United States
Ownership	Privately held, operated by BacklinkSwappers, Inc.	Privately held

Strengths and limitations

Maildoso

Strengths

The lowest published per-mailbox cost in this category by a wide margin, down to forty-nine cents at a thousand mailboxes.
Operational tooling competitors mostly lack: self-healing mailboxes, IP rotation, per-mailbox reputation measurement, and automated placement tests every three days.
Full API access plus an MCP server, included rather than gated to a top tier, which makes provisioning scriptable and assistant-driven.
A thirty-day money-back guarantee, which is the only real evaluation safety net in a market where nobody offers free trials.

Limitations

Not a sending platform, so it is always a second bill alongside a sequencer.
About fifteen cold emails a day per mailbox is roughly half what real Workspace accounts sustain, so you buy far more mailboxes and the sticker-price advantage narrows at low volume.
These are SMTP mailboxes on the vendor's own infrastructure, not genuine Google Workspace or Microsoft 365 accounts, and some recipient environments treat that difference as meaningful.
The vendor describes a shared IP pool with rotation, so your sending reputation is influenced by other customers' behavior in a way that dedicated provider accounts avoid.

ScaledMail

Strengths

Genuinely managed: domains, DNS, provisioning, and monitoring are handled by the vendor rather than by a console you operate.
The widest provider coverage in the category, with Google, Microsoft, and SMTP mailboxes available under one vendor and one bill.
A private Slack channel with deliverability specialists included from day one rather than reserved for enterprise buyers.
Conservative, published daily sending guidance that is closer to what actually survives filtering than most competitors' advertised ceilings.

Limitations

No public API, so provisioning cannot be scripted into an onboarding flow, which rules the product out for automation-led agencies.
Two to four business days to deliver an estate, against a couple of hours from self-serve competitors.
More expensive per mailbox than automated provisioning, with the gap widening as the estate grows.
Pricing is packaged rather than fully self-serve, so comparison shopping requires a quote.

Pricing compared

Maildoso

Monthly mailbox packages with steeply falling unit cost by volume, plus separate domain registration at a flat annual rate; legacy quarterly bundles that include domains remain listed.

Thirty mailboxes$75
Three hundred mailboxes$225
One thousand mailboxes$499
Domain registration$12
Legacy quarterly bundlesFrom $299

Maildoso wins on unit cost and loses on throughput, so model both. At 10,000 emails a month, fifteen sends a day per mailbox implies roughly twenty-two to twenty-five mailboxes, which fits the $75 thirty-mailbox package plus a few domains: cheaper than provider-account infrastructure but not dramatically so, because you are buying nearly twice the mailbox count. At 100,000 a month you need on the order of 220 to 250 mailboxes, which fits comfortably inside the $225 three-hundred package, against roughly $330 to $675 a month for the same volume from Mailforge, Primeforge, or Zapmail. That is the honest shape of it: broadly comparable at low volume, decisively cheaper at high volume, with the open question being whether SMTP mailboxes place as well as real Workspace accounts for your specific recipient base.

ScaledMail

Managed packages sized by monthly sending volume, with Google mailboxes priced per mailbox, Microsoft priced per domain, and an SMTP option priced per domain. Reporting is an add-on and there are no setup fees.

Google WorkspaceAbout $3.50
Microsoft OutlookAbout $50
SMTPAbout $3.75
Managed packageFrom about $99

ScaledMail is not competing on price and should not be judged on it. Google mailboxes at about $3.50 sit above InboxKit at about $2.50 and Mailforge at about $2, and the Microsoft per-domain option is cheap only if you actually run close to twenty-five mailboxes under it. What the premium buys is that nobody on your side configures DNS, monitors reputation, or negotiates a delisting, plus a Slack channel with people who do this professionally. For a team without an internal deliverability owner, that is straightforwardly cheaper than the alternative, which is a half-attentive employee and a quarterly incident. For a technical team that would rather script provisioning, it is money spent on labor you were happy to do.

Editorial verdict on each

Maildoso

Best Value

Maildoso is the volume play in cold email infrastructure, and it is honest about the trade it is making. You get SMTP mailboxes on the vendor's own infrastructure rather than real Workspace accounts, with about fifteen cold sends a day each instead of thirty, and in exchange the unit cost falls to a level nobody else approaches. At a hundred thousand emails a month that difference is hundreds of dollars, and the operational tooling that comes with it, self-healing mailboxes, IP rotation, reputation measurement, three-day placement tests, a full API, and an MCP server, is better than what most competitors ship at four times the price. Two things should govern the decision. It is not a sequencer and never will be, so budget for two products. And the mailboxes are not provider accounts, so if your prospect base sits in enterprise Gmail and Outlook tenants where that provenance affects placement, test carefully during the thirty-day money-back window before committing at scale.

Read the full Maildoso profile

ScaledMail

ScaledMail is the strongest managed option in cold email infrastructure, and it is honest about what it is. You pay more per mailbox and wait days rather than hours, and in exchange the domains, the DNS, the monitoring, and the replacements stop being anyone's job on your side, with deliverability specialists reachable in a Slack channel from the first day rather than at an enterprise threshold. The provider coverage is the widest here, and running Google, Microsoft, and SMTP side by side is a real defence against platform risk rather than a feature-list item. Two things decide the purchase. There is no API, so any team that wants to script provisioning should look at InboxKit or Infraforge instead. And the published sending guidance is deliberately conservative, so size the estate from those numbers rather than from a competitor's more flattering ceiling, or the package you buy will be smaller than the program you planned.

Read the full ScaledMail profile

Maildoso profile last reviewed 2026-08-22; ScaledMail last reviewed 2026-09-01. Pricing is compiled from public sources and can change without notice. See our methodology.