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
At a glance
- 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
Pricing
What it costs at common volumes
Common volumes, side by side, at published prices.
| Mailboxes | Inboxkit, monthly | Inboxkit, annual | Primeforge |
|---|---|---|---|
| 100mailboxes | Inboxkit, monthly$300 | Inboxkit, annual$250 | Primeforge$450 |
| 500mailboxesPrimeforge volume rate of $4.10 on 490 add-on slots | Inboxkit, monthly$1,500 | Inboxkit, annual$1,250 | Primeforge$2,054 |
| 1,000mailboxesPrimeforge volume rate of $3.60 on 990 add-on slots | Inboxkit, monthly$3,000 | Inboxkit, annual$2,500 | Primeforge$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.
| Feature | Inboxkit | Primeforge |
|---|---|---|
| Mailboxes | Official, paid Google Workspace and Microsoft 365, plus Azure | Google Workspace and Microsoft 365, one tenant per domain |
| Claude Code / Codex (MCP) | Remote MCP server, connects to Claude Code and Codex | MCP 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 |
| Minimum | None | 10 slots, charged whether or not mailboxes are created |
| Azure | $30 a tenant for up to 100 mailboxes | Not listed |
| Domains | Buy or connect your own | .com $14 a year; connecting your own has a fee |
| Support | 24/7 on Slack, in-app chat and email | Live chat 24 hours a day, 5 days a week |
| Warmup (add-on) | 14-day warmup on an isolated network, $3 a mailbox | Sold separately through Warmforge, $6 to $12 a slot |
| Monitoring (add-on) | InfraGuard every six hours: blacklists, DNS, bounces, placement, auto-pause | In Warmforge: DNS, MX and blacklist health checks |
| Inbox placement tests (add-on) | Unlimited with InfraGuard | 1 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
Create a free account
Pay only for the mailboxes you add. No plan to pick first.
Buy or connect domains
Then add Google Workspace, Microsoft 365 or Azure mailboxes on them.
Export to your sequencer
One click to 24+ sequencers, including Smartlead and Instantly.
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, 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.”
LukaManyreach“Our agency manages 40 client accounts now. Would have been impossible before this.”
Walter WinnAnevo Marketing“Our ops guy used to manually configure DNS for every mailbox. Now he's actually doing ops work instead.”
Atishay JainEagle Info Services“Finally stopped waking up to suspended Google accounts. It's been 6 months now and everything is still clean.”
Jesse OuletteLeadmagic“Consolidated our entire email stack into one dashboard. Saved us 6 hours a week just in context switching.”
Abbas 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.”
NaufalUnderstory
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.