Switching from CheapInboxes
The best CheapInboxes alternative
Run your Microsoft volume on Azure, up to 100 mailboxes on one tenant.
- Unlimited team members and workspaces
- Domain rotation and migration built in
- $2.50 a mailbox on annual billing
4.7 on G2 · 120 reviewsAt a glance
- Azure
- $30 per 100
- Not listed
- Annual billing
- $2.50 a mailbox
- Not listed
- Setup time
- 30 to 120 minutes
- 10 min to 48 hours
Competitor details from public pages, checked 19 Oct 2026.
One price, no plan
$3a mailbox a month
Same price for Google Workspace and Microsoft 365. No plans, no minimums.
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 | CheapInboxes |
|---|---|---|---|
| 100mailboxes | Inboxkit, monthly$300 | Inboxkit, annual$250 | CheapInboxes$325 |
| 1,000mailboxesGoogle or Microsoft 365 seats. Our annual rate: $2,500 | Inboxkit, monthly$3,000 | Inboxkit, annual$2,500 | CheapInboxes$2,800 |
| 1,000mailboxesMicrosoft: ten Azure tenants against Microsoft 365 seats | Inboxkit, monthly$300 | Inboxkit, annual$300 | CheapInboxes$2,800 |
At 1,000 Google or Microsoft 365 seats, CheapInboxes is cheaper on monthly billing. Every CheapInboxes plan includes pre-warmed mailboxes. On annual billing, ours is $2.50.
CheapInboxes tiers: $3.50 under 100, $3.25 to 249, $3 to 999, $2.80 at 1,000 or more.
Head to head
Inboxkit vs CheapInboxes, line by line
Taken from public pages. Where CheapInboxes publishes nothing, the cell says so.
| Feature | Inboxkit | CheapInboxes |
|---|---|---|
| Mailboxes | Official, paid Google Workspace and Microsoft 365, plus Azure | Google Workspace and Microsoft 365 |
| Claude Code / Codex (MCP) | Remote MCP server, connects to Claude Code and Codex | MCP server, plus 70+ REST endpoints and webhooks |
| Price | $3 a mailbox, or $2.50 annual | $3.50 to $2.80 by volume, billed monthly |
| Azure | $30 a tenant for up to 100 mailboxes | Not listed |
| Setup time | Orders completed in 30 to 120 minutes, automatically | Same day or 10 minutes on its homepage; about 48 hours in its fulfilment policy |
| Domains | Buy domains or connect your own | Sold separately from $2.50 a year; your own are free |
| Billing | Monthly or annual | Monthly, card charged 5 days before renewal |
| Support | 24/7 on Slack, in-app chat and email | 24/7 |
| Warmup | Pre-warmed mailboxes, or 14-day warmup as a $3 add-on | Pre-warmed mailboxes on every plan |
| Monitoring (add-on) | InfraGuard every six hours: blacklists, DNS, bounces, placement, auto-pause | Not listed |
Competitor details from public pages, checked 19 Oct 2026. Sources: CheapInboxes homepage and pricing (cheapinboxes.com); CheapInboxes developers (cheapinboxes.com); CheapInboxes fulfilment policy (cheapinboxes.com); CheapInboxes terms (cheapinboxes.com); 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 CheapInboxes today.
Azure for Microsoft volume
Up to 100 Microsoft mailboxes on one Azure tenant for $30 a month. 1,000 run on ten tenants for $300. CheapInboxes lists no Azure.
$2.50 on annual billing
At 1,000 mailboxes that is $2,500 a month. CheapInboxes is $2.80 a mailbox at that volume, billed monthly.
$3 from the first mailbox
No volume tier to reach. CheapInboxes charges $3.50 under 100 mailboxes.
Built to rotate
Domain rotation, domain warmup and email migration are built in.
InfraGuard every six hours
Blacklists, DNS, bounces and placement, with alerts and auto-pause. An add-on, first month free.
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 CheapInboxes 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 CheapInboxes 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.
Is Inboxkit cheaper than CheapInboxes at agency volume?
On seats at 1,000+, not monthly: CheapInboxes is $2.80, we are $3. On annual billing ours is $2.50. For Microsoft volume, Azure is $30 for up to 100.
What does Azure change for Microsoft volume?
One Azure tenant holds up to 100 Microsoft mailboxes for $30 a month. 1,000 cost $300 here, against $2,800 as CheapInboxes Microsoft 365 seats.
CheapInboxes includes pre-warmed mailboxes. Do you?
Pre-warmed mailboxes here go live in hours. Or warm new ones for 14 days on an isolated network, a $3 add-on. CheapInboxes includes pre-warmed mailboxes on every plan.
Do you have an API and MCP server?
Yes. Connect Claude Code or Codex to our remote MCP server, next to a REST API with 119 endpoints. CheapInboxes has an API and MCP too.
Can I keep my sequencer?
Yes. Mailboxes export in one click to 24+ sequencers, including Smartlead and Instantly.
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.