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Switching from Primeforge

The best Primeforge alternative

Same Google and Microsoft 365 mailboxes, $3 each from the first one.

  • Unlimited team members and workspaces
  • Domain rotation and migration built in
  • 24/7 support on Slack, chat and email
G2 High Performer, Email Deliverability, Spring 2026G2 High Performer, Small Business, Email Deliverability, Spring 20264.7 on G2 · 120 reviews
Free account. Pay per mailbox.

At a glance

InboxkitPrimeforge
Minimum order
None
10 slots
Annual price
$2.50 a mailbox
$3.75 to about $2.92
Azure
$30 per 100
Not listed

Competitor details from public pages, checked 19 Oct 2026.

1,000 Google or Microsoft 365 mailboxes, monthly

Inboxkit
$3,000at today’s rate
Primeforge
$3,609

Ready in 30 to 120 minutes

SPF, DKIM and DMARC configured automatically.

Teams sending on Inboxkit

  • Vectify logo
  • HeyReach logo
  • C17 Labs logo
  • Anevo Marketing logo
  • Understory logo
  • NoBroker logo
  • Zendesk logo
  • Gorgias logo
  • Expandi logo
  • LeadMagic logo

Pricing

What it costs at common volumes

Common volumes, side by side, at published prices.

Monthly price at common volumes, Inboxkit and Primeforge
100mailboxesInboxkit, monthly$300Inboxkit, annual$250Primeforge$450
500mailboxesPrimeforge volume rate of $4.10 on 490 add-on slotsInboxkit, monthly$1,500Inboxkit, annual$1,250Primeforge$2,054
1,000mailboxesPrimeforge volume rate of $3.60 on 990 add-on slotsInboxkit, monthly$3,000Inboxkit, annual$2,500Primeforge$3,609

Both on monthly billing. On annual billing Primeforge is $3.75 at list, about $2.92 above 1,000 add-on slots. Ours is $2.50.

Head to head

Inboxkit vs Primeforge, line by line

Taken from public pages. Where Primeforge publishes nothing, the cell says so.

Inboxkit compared with Primeforge
InboxkitPrimeforge
MailboxesOfficial, paid Google Workspace and Microsoft 365, plus AzureGoogle Workspace and Microsoft 365, one tenant per domain
Claude Code / Codex (MCP)Remote MCP server, connects to Claude Code and CodexMCP server, CLI and API listed
Monthly price$3 a mailbox$4.50 a mailbox, falling with volume to $3.50
Annual price$2.50 a mailbox a month$3.75 at list, about $2.92 above 1,000 add-on slots
MinimumNone10 slots, charged whether or not mailboxes are created
Azure$30 a tenant for up to 100 mailboxesNot listed
DomainsBuy or connect your own.com $14 a year; connecting your own has a fee
Support24/7 on Slack, in-app chat and emailLive chat 24 hours a day, 5 days a week
Warmup (add-on)14-day warmup on an isolated network, $3 a mailboxSold separately through Warmforge, $6 to $12 a slot
Monitoring (add-on)InfraGuard every six hours: blacklists, DNS, bounces, placement, auto-pauseIn Warmforge: DNS, MX and blacklist health checks
Inbox placement tests (add-on)Unlimited with InfraGuard1 free a month; paid plans $39 or $169 a month

Competitor details from public pages, checked 19 Oct 2026. Sources: Primeforge pricing (primeforge.ai); Primeforge homepage (domains, Microsoft tenants) (primeforge.ai); Primeforge terms (primeforge.ai); Warmforge pricing (warmforge.ai); Inboxkit pricing.

Competitor offers can change after that date. Trademarks belong to their owners.

Why teams switch

What you get on Inboxkit

The differences that matter if you buy from Primeforge today.

  • $3 from mailbox one

    No 10-slot minimum. Add one mailbox for $3 a month. Primeforge lists $4.50 and reaches $3.50 past 1,000 add-on slots.

  • $2.50 on annual billing

    At 1,000 mailboxes that is $2,500 a month. Primeforge’s annual rates come to $3,007.50 a month.

  • Azure for Microsoft volume

    Run up to 100 Microsoft mailboxes on one Azure tenant for $30 a month. Primeforge lists no Azure.

  • Support on weekends too

    24/7 on Slack, in-app chat and email. Primeforge’s live chat runs 24 hours a day, 5 days a week.

  • Warmup in the same account

    14 days on an isolated network, a $3 add-on. Primeforge sells warmup through Warmforge.

  • Claude Code and Codex

    Connect Claude Code or Codex to Inboxkit’s remote MCP server, alongside a REST API with 119 endpoints.

Renewals

Card declined at renewal? Your mailboxes wait for you

If we can’t charge your card at renewal, we don’t delete your mailboxes. You get 10 to 14 days to pay and recover them at your usual price, with no recovery fee.

  • Kept for 10 to 14 days
  • Your usual price
  • No recovery fee

With many providers, a failed renewal means deleted mailboxes, or a fee to get them back.

No gap in sending

Switch from Primeforge in four steps

  1. Create a free account

    Pay only for the mailboxes you add. No plan to pick first.

  2. Buy or connect domains

    Then add Google Workspace, Microsoft 365 or Azure mailboxes on them.

  3. Export to your sequencer

    One click to 24+ sequencers, including Smartlead and Instantly.

  4. Run both side by side

    Warm up here while Primeforge keeps sending. Move campaigns before your plan renews.

Customers

From teams sending on Inboxkit

  • G2 High Performer, Email Deliverability, Spring 2026
  • G2 High Performer, Small Business, Email Deliverability, Spring 2026
  • G2 High Performer, Asia Pacific, Email Deliverability, Spring 2026
  • G2 High Performer, India, Email Deliverability, Spring 2026

G2 High Performer, Spring 2026, rated 4.7 out of 5 from 120 reviews

  • “Burned through 9 domains in 6 weeks with our old setup. Same domains have been running fine on Inboxkit since March.”
    Photo of LukaLukaManyreach
  • “Our agency manages 40 client accounts now. Would have been impossible before this.”
    Photo of Walter WinnWalter WinnAnevo Marketing
  • “Our ops guy used to manually configure DNS for every mailbox. Now he's actually doing ops work instead.”
    Photo of Atishay JainAtishay JainEagle Info Services
  • “Finally stopped waking up to suspended Google accounts. It's been 6 months now and everything is still clean.”
    Photo of Jesse OuletteJesse OuletteLeadmagic
  • “Consolidated our entire email stack into one dashboard. Saved us 6 hours a week just in context switching.”
    Photo of Abbas SomjiAbbas SomjiThe Playbook Agency
  • “I used to spend every Monday morning setting up new domains because the old ones kept dying. Haven't done that in months.”
    Photo of NaufalNaufalUnderstory

FAQ

Questions before you switch

Short answers, from the published prices and pages listed under the table.

  • Primeforge gets cheaper at volume. Is Inboxkit still cheaper at 1,000?

    Yes. On monthly billing, 1,000 mailboxes cost $3,000 here and $3,609 on Primeforge. On annual billing, $2,500 against $3,007.50 a month.

  • Is there a minimum order?

    No. Start with one mailbox. Primeforge sells at least 10 slots, charged whether or not you use them.

  • Can I run Microsoft volume on Azure?

    Yes. One Azure tenant holds up to 100 Microsoft mailboxes for $30 a month. Primeforge lists no Azure.

  • I run Primeforge from Claude Code. Can I do that here?

    Yes. Connect Claude Code or Codex to our remote MCP server, next to a REST API with 119 endpoints. Primeforge lists an MCP server and CLI too.

  • How do I switch without a gap in sending?

    Set up mailboxes here while Primeforge keeps sending. Export them in one click to 24+ sequencers, including Smartlead and Instantly. Move campaigns before your term renews.

  • What inbox placement can I expect?

    Our public figure is 90%+ inbox placement. InfraGuard, an add-on, checks every domain every six hours.

Open a free account. Pay only for the mailboxes you add.

$3 a mailbox a month, or $2.50 on annual billing. No plans, no minimums.