ScaledMail vs Mailscale: Which Email Infrastructure Is The Right Choice?

I have set up cold email infrastructure for agencies that send tens of thousands of emails a month, and the provider you pick decides whether those emails land. ScaledMail and Mailscale both promise to take the setup work off your plate. ScaledMail is a managed service from Beanstalk Consulting that builds and runs Google Workspace, Microsoft 365 and SMTP mailboxes for you. Mailscale is a self-hosted SMTP provider that owns its own servers and sells inboxes in tiered plans.

I will compare both against Infraforge, the private dedicated-IP infrastructure that Woodpecker scaled to 2,500+ mailboxes. If you are weighing cheap inboxes or planning a bigger infrastructure build, this breaks down what each one actually gives you.

Cold Email Infrastructure at a Glance: ScaledMail vs Mailscale

Here is the short version before the detail. Every cell is a fact you can check on each vendor's live site.

What ScaledMail Is and Who It Fits

ScaledMail is a fully managed cold email infrastructure service built by Beanstalk Consulting. Instead of provisioning mailboxes yourself, you tell their team your sending volume and they build and run the inboxes for you. The site says it manages 230,000+ inboxes and serves 2,000+ agencies.

Core things ScaledMail does:

• Provisions Google Workspace, Microsoft 365 and SMTP mailboxes, mixed in one package
• Configures full DNS authentication (SPF, DKIM, DMARC) on every domain
• Runs managed IP rotation across the inboxes it provisions
• Offers pre-warmed mailboxes so you can start sending sooner
• Gives every customer a dedicated Slack support channel
• Works with sequencers like Smartlead, Instantly, Apollo and Lemlist

Pricing is built per provider through a package builder: Google Workspace at $3.50 per mailbox per month, Microsoft Outlook at $50 per domain (25 mailboxes), and SMTP at $3.75 per domain (4 mailboxes). Reporting is a paid add-on at $2 per mailbox per month for Google and SMTP. Their own example for 2,000 emails a day comes to 218 mailboxes at $397.75 a month base, plus $256 a month for reporting. Billing is month-to-month.

ScaledMail fits teams that want a hands-off, white-glove setup and like having Google and Microsoft mailboxes in the mix. A few honest limitations to weigh: there is no built-in sequencer, so you still need a sending tool on top, and one Reddit user running a 50,000-email test reported a DMARC misconfiguration that slipped through. Reporting costs extra rather than being included, setup runs 24 to 72 hours, and there is no free trial of the infrastructure itself.

What Mailscale Is and Who It Fits

Mailscale is a self-hosted SMTP infrastructure provider founded by Yassin Baum. It owns its own SMTP servers and IP pools rather than reselling Google or Microsoft, and it sells inboxes in capped tiers. The site reports 3,000+ customers and leans hard on speed and a deliverability guarantee.

Core things Mailscale does:

• Generates SMTP inboxes in about 60 seconds, ready to export by CSV
• Automates DNS records (SPF, DKIM, DMARC) on the domains you use
• Runs automated monitoring for blacklisting, reputation, spam and bounces
• Backs a 95-100% deliverability guarantee with a 30-day domain recovery promise
• Includes a full cold email course on the Business plan and up
• Plugs into Instantly, Smartlead, Apollo, Reply.io, Lemlist and Mailshake

Plans run $79 a month for 15 inboxes (Solopreneur), $119 a month for 50 inboxes (Business), and $249 a month for 200 inboxes (Enterprise, with extra inboxes at $1.50 each). The $1,000+ a month Unlimited plan is the only tier that adds dedicated IPs, a self-healing IP rotation mechanism and a dedicated deliverability specialist. Domains cost $10-15 a year inside Mailscale, or you can bring your own at $2 each, though Mailscale states it cannot guarantee deliverability on domains you bring.

Mailscale fits solo operators and small teams that want inboxes fast and like the money-back guarantee. The honest caveats are real, and reviewers raise them. Mailscale shares its SMTP IP pools on every plan below the $1,000 Unlimited tier, so your sender reputation sits next to other customers' sending.

One verified Trustpilot reviewer reported deliverability falling below 50% in week two and a 3-to-5-day support wait. Others flagged a 48-to-72-hour domain transfer and warm-up health-score problems. There are no pre-warmed mailboxes, no public API, and the comparison with other SMTP providers is worth reading before you commit.

What Infraforge Is and Why It Scales

Infraforge is private cold email infrastructure with dedicated IPs, built specifically for cold outreach by the team behind the Forge Stack. Every mailbox runs on dedicated servers with its own dedicated IP, so your sender reputation is never pooled with thousands of other senders. It is the infrastructure layer of a connected stack, not a standalone tool you have to wire up by hand.

What I get with Infraforge:

• A dedicated IP on every mailbox, with built-in sender rotation and smart sending limits
• Free automated DNS setup (DMARC, SPF, DKIM and custom tracking) on each domain
• Pre-warmed domains and mailboxes so I can start sequences from day one
• Bulk DNS updates across every domain from one dashboard
• Masterbox, a single view of all emails across every account in a workspace
• Multi-IP provisioning plus SSL and domain masking as add-ons
• An Infraforge API, MCP server and CLI for programmatic scale
• Real-time deliverability monitoring and alerts, included
• SOC 2 compliance and full domain ownership and control

Infraforge is the infrastructure piece of the Forge Stack. I can warm mailboxes with the included premium Warmforge warm-up, send through Salesforge, and reach for Primeforge when a campaign needs real Google or Microsoft mailboxes instead. It all syncs without extra connectors.

Pricing is transparent through a calculator: mailboxes are $4 each per month, billed yearly with two months free (about $3.33 each in practice), with a 10-slot minimum and domains at $14 a year. At 200 mailboxes that lands around $651 a month, against roughly $1,680 for the same count on Google Workspace. Additional dedicated IPs are $99 each per month, and you can verify the live price on the Infraforge pricing page.

Infraforge fits B2B teams and agencies that send at volume and want full control over deliverability and security. It is the kind of dedicated setup that scales without sharing reputation, which is exactly why Woodpecker ran 2,500+ mailboxes on it. A few honest limitations: there is no free trial, since you buy domains and mailboxes to use it, and it rewards senders who follow deliverability best practices. By Infraforge's own guidance, if you expect a high volume of spam complaints, shared infrastructure like Mailforge may suit you better.

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Head-to-Head Feature Comparison: ScaledMail vs Mailscale

All three are email infrastructure, so I compared them on the things that decide deliverability and scale. None of the three runs LinkedIn outreach; that is a sending-layer job handled by Salesforge inside the Forge Stack, not by the infrastructure itself.

Infrastructure ownership and dedicated IPs

This is the clearest split between the three. Infraforge puts every mailbox on a dedicated IP on private servers, so no other customer's sending touches your reputation. ScaledMail runs managed IP rotation across the Google, Microsoft and SMTP inboxes it provisions, on what it calls isolated tenants. Mailscale shares its SMTP IP pools on every plan except the $1,000+ Unlimited tier, where dedicated IPs and a self-healing rotation finally appear. One verified Mailscale reviewer tied a deliverability collapse directly to its shared IP setup, which is the risk dedicated IPs are built to remove.

Email deliverability and warm-up

Infraforge offers pre-warmed domains and mailboxes, and the Forge Stack adds free premium Warmforge warm-up, with a recommended 30 emails per mailbox per day across 2-3 mailboxes per domain. ScaledMail runs managed warm-up and also offers pre-warmed mailboxes. Mailscale has no pre-warmed option and advises a 1-2 week warm-up, but it does back a 95-100% deliverability guarantee with free domain replacement if health drops below 80% inbox placement. Before any launch I run a free inbox placement test to see exactly where mail is landing. If you are deciding how to warm, the difference between pre-warmed and manual warming and the best warm-up tools are both worth a read.

Setup speed and control

Mailscale is the fastest to stand up at about 60 seconds, with inboxes exported as a CSV. Infraforge is ready in about 5 minutes, with automated DNS, full domain ownership, bulk DNS updates and the freedom to cancel anytime. ScaledMail is hands-off but slower, with provisioning quoted at 24 to 72 hours because a human team builds it. Speed and control pull in different directions here, and Infraforge sits in the middle while keeping you in charge of your own domains.

Pricing and how it scales

Infraforge charges $4 per mailbox per month with monitoring included, so the price you see is close to the price you pay. ScaledMail prices per provider and then adds reporting as a separate $2-per-mailbox line, so a 218-mailbox build runs $397.75 base plus $256 for reporting. Mailscale caps inboxes by tier, and a jump from 50 to 200 inboxes means moving from the $119 plan to the $249 plan. I dig into the numbers in the next section, and you can size your build with this guide on how many mailboxes you need.

Monitoring, integrations and the wider stack

Infraforge includes real-time monitoring and alerts, a Masterbox unified inbox view, multi-IP provisioning, and an API, MCP server and CLI for automation, plus SOC 2 compliance. ScaledMail offers monitoring as a paid reporting add-on, a Slack support channel and no public API. Mailscale runs automated monitoring with inbox placement tests on the Unlimited plan and no API. AI personalization and an AI SDR are sending-layer features, not infrastructure, so none of the three handles them; in the Forge Stack, that work sits with Salesforge and Agent Frank while Infraforge keeps the mailboxes healthy.

Pricing Comparison for Cold Email Infrastructure

Headline prices hide as much as they show, so here is each vendor's structure side by side. Plan names are prefixed with the vendor because the tiers do not line up.

Say I needed roughly 200 mailboxes for steady outbound. On Infraforge that is about $651 a month with a dedicated IP on every mailbox and monitoring included. On ScaledMail, the 218-mailbox example reaches $397.75 base, but reporting pushes it to about $653.75 once you want visibility into how each inbox performs. On Mailscale, the Enterprise plan covers 200 inboxes at $249 a month, but those inboxes share IP pools unless you move up to the $1,000+ Unlimited tier.

So the cheapest sticker belongs to Mailscale Enterprise, the managed Google and Microsoft mix belongs to ScaledMail, and the dedicated IP on every mailbox at predictable cost belongs to Infraforge. What you are really buying at 200 mailboxes is whether each one gets its own IP, and only one of the three gives you that without a four-figure plan.

Who Should Use Which Cold Email Infrastructure

Here is how I would steer the decision based on what each tool actually is.

One honest steer: if your motion needs real Google or Microsoft mailboxes specifically, Primeforge is the Forge answer rather than Infraforge, and if you expect a high volume of spam complaints, shared infrastructure may serve you better. Infraforge itself says so.

Final Verdict: Which Cold Email Infrastructure to Choose

ScaledMail and Mailscale are both solid at one job each. ScaledMail is a managed Google, Microsoft and SMTP service that builds inboxes for you but charges extra for reporting and takes up to 72 hours. Mailscale is a fast self-hosted SMTP provider with a deliverability guarantee, but its inboxes share IP pools below the $1,000 Unlimited plan, and reviewers have felt that.

For dedicated-IP cold email infrastructure that scales without sharing reputation, Infraforge is the stronger choice. Every mailbox gets its own dedicated IP, monitoring and alerts are included, setup takes about 5 minutes, and at 200 mailboxes it runs roughly $651 a month against about $1,680 on Google Workspace.

One falsifiable benchmark: Woodpecker scaled to 2,500+ mailboxes on Infraforge, and ChannelCrawler hit an 85.71% positive reply rate on Salesforge, Infraforge and Warmforge. Both case studies are public.

That is the kind of dedicated-IP setup operators keep coming back to.

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