Primeforge review: Google and Microsoft mailboxes in the Forge stack, with Super Admin access

Primeforge is the Forge product for Google Workspace and Microsoft 365 mailboxes: $4.50 a month at small volume, $3.50 above 1,000 slots, $2.92 on yearly billing at the top tier. Google mailboxes come with Super Admin access. Warm-up and sending are other Forge subscriptions, and no Forge product refunds.

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  • Warm-up and sending included
  • $2.50 a mailbox, 12 minimum
  • Month-to-month billing

Primeforge at a glance

Price per mailbox
from $2.92 (yearly, 1,000+ slots); $4.50 monthly on small orders
Smallest order
10 mailbox slots, $45 a month, plus domains
Mailbox types
Google, Microsoft
Warm-up
Warmforge, a separate Forge product, or the pre-warmed add-on
MCP server
The shared Forge MCP server covers Primeforge, pre-warmed mailboxes included
Trustpilot
3.3 / 5 from 11 reviews

Who Primeforge fits

Pick Primeforge if

  • You want Google or Microsoft mailboxes with Super Admin access
  • You send through the Gmail API from your own code
  • You already use Salesforge or Warmforge
  • You want pre-warmed Google or Microsoft mailboxes

Look elsewhere if

  • You want warm-up included in the mailbox
  • You need fewer than 10 mailboxes
  • You may need a refund
  • You want to move an existing company domain

What Primeforge is

Primeforge provisions Google Workspace and Microsoft 365 mailboxes on US IPs, sets DNS and connects them to your sequencer by OAuth. Each domain gets its own Microsoft tenant. It joined the Forge products in May 2025, next to Mailforge (shared SMTP), Infraforge (dedicated SMTP), Warmforge and Salesforge.

Google mailboxes include Super Admin and domain-wide delegation. That lets a developer send through the Gmail API directly, with no sequencer in between and no Primeforge throttling on top of Google's own limits.

Exports go natively to Salesforge, Smartlead, Instantly, Lemlist, EmailBison, Reply.io, Snov.io and Woodpecker.

Google Workspace and Microsoft 365 mailboxes for cold email on US IPs, with automatic DNS and a pre-warmed option; no sequencer source (opens the vendor's page in a new tab) Part of the Forge products of Salesforge since May 2025 source (opens the vendor's page in a new tab)

Primeforge pricing

Primeforge plans and prices
PlanPriceMailboxesPer mailboxBillingIncludes
Mailbox slots, 1–100 add-on$4.50 a mailbox a month10 base + up to 100$4.50monthlyGoogle or Microsoft, automatic DNS, API source (opens the vendor's page in a new tab)
Mailbox slots, volume tiers$4.40 down to $3.50 a mailbox101+ add-on slots, $0.10 less per 100$3.50–$4.40monthlyThe 10 base slots stay at $4.50 source (opens the vendor's page in a new tab)
Mailbox slots, yearly$45 down to $35 a mailbox a year10+$2.92–$3.75yearlyTwo months free on mailboxes source (opens the vendor's page in a new tab)
Pre-warmed mailbox$9 a month ($90 a year)at least 4 domains × 3 mailboxes$9.00monthly or yearlyWarmed for 3+ months; pre-warmed .com $18 a year source (opens the vendor's page in a new tab)
.com domain$14 a yearn/ayearlyRegistration source (opens the vendor's page in a new tab)

List prices from Primeforge's pricing page, checked . Taxes and card fees excluded.

The structure matches Mailforge at a higher level. The first 10 slots cost $4.50; add-on slots drop by $0.10 per hundred to $3.50 above 1,000. Yearly billing runs $45 down to $35 a mailbox a year. Google and Microsoft slots cost the same. Primeforge's calculator puts 25 mailboxes at $113 a month, $94 on yearly billing.

Pre-warmed mailboxes, warmed for three months or more, cost $9 a month: the $4.50 slot plus a $4.50 pre-warm charge. The minimum is 4 domains with 3 mailboxes each, and pre-warmed .com domains are $18 a year.

Slots are billed whether a mailbox sits in them or not, and deleting one is scheduled rather than immediate.

Primeforge limits, setup and terms

Each line links to the vendor's page it comes from.

Other Primeforge features

Super Admin
Google mailboxes come with Super Admin and domain-wide delegation, so you can send through the Gmail API source (opens the vendor's page in a new tab)
Profiles
Bulk profile pictures and GIFs for mailboxes source (opens the vendor's page in a new tab)

In detail

Connecting your own domain

You can bring a domain by switching its nameservers to Primeforge. Existing DNS records and mailboxes on that domain stop working, so never point a domain that carries your company email.

Whether connecting costs anything is unclear: the home page FAQ mentions a connection fee and the help article says it is free. No amount is published.

API, MCP and terms

The Primeforge API comes with the subscription and covers mailboxes, analytics, sign-in codes, exports and pre-warmed stock, with no rate limit enforced today. The shared Forge MCP server covers Primeforge as well.

As with every Forge product: no refunds, and cancelling needs a live-chat request at least seven days before the term ends.

Primeforge ratings

G2 did not load for us, so we show no G2 score.

Primeforge or Outreach2day

We sell cold email mailboxes too. Where our product fits this buyer and where it does not.

Outreach2day fits if

  • You run 1,000+ mailboxes: we quote a volume price below every vendor list price in our comparisons, warm-up and sending included
  • SMTP mailboxes place well enough on your list and you want to pay $2.50 with warm-up and sending
  • You want month-to-month billing without a cancellation notice window
  • You want fewer subscriptions than Primeforge plus Warmforge plus Salesforge

Stay with Primeforge if

  • You need Google Workspace or Microsoft 365 accounts
  • You send through the Gmail API
  • You need mailboxes that are already warm

Primeforge review: questions

How much does Primeforge cost?

$4.50 a mailbox a month for up to 110 slots, down to $3.50 above 1,000. Yearly billing is $45 down to $35 a mailbox a year. Minimum 10 slots.

Does Primeforge sell Google or Microsoft mailboxes?

Both, at the same price, on US IPs, with one Microsoft tenant per domain.

How much are Primeforge pre-warmed mailboxes?

$9 a mailbox a month ($90 a year), with at least 4 domains of 3 mailboxes each and pre-warmed .com domains at $18 a year.

Does Primeforge include warm-up?

No. Warm-up is Warmforge, a separate Forge subscription, unless you buy pre-warmed mailboxes.

Does Primeforge offer refunds?

No. No Forge product gives refunds.

What is Primeforge's Trustpilot rating?

3.3 out of 5 from 11 reviews when we checked.

Deliverability call

Talk to our deliverability team

Book a call with the people who run our mailbox infrastructure. We look at your current setup and tell you what to change. Running 1,000+ mailboxes? We also quote a volume price below every vendor list price in our comparisons, warm-up and sending included.

  • Review your domains, DNS records and current inbox placement
  • Size the setup: domains, mailboxes per domain and daily volume per mailbox
  • Plan warm-up and the move from your current provider or sequencer
  • 1,000+ mailboxes: a volume price per mailbox for your setup

Free call

See open times in your time zone and book on this page.

Or open the booking page

More on Primeforge

Sources

Each vendor's own pages. Vendors change prices and plans; if something here is out of date, write to support@outreach2day.com and we will fix it.

Primeforge

First cold emails on day 14, full volume on day 21

Add domains, create mailboxes and turn on warm-up. You see every mailbox's warm-up numbers from day one.

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