Switching from Smartlead
The best SmartSenders alternative
Google mailboxes for $3 that export to Smartlead in one click.
- Unlimited team members and workspaces
- Domain rotation and migration built in
- 24/7 support on Slack, chat and email
4.7 on G2 · 120 reviewsAt a glance
- Where they work
- Any of 24+ sequencers
- Inside Smartlead only
- API access
- Every account
- From Pro, $94
- Mailbox billing
- Monthly or annual
- Monthly
Competitor details from public pages, checked 28 Oct 2026.
1,000 Google mailboxes, monthly
- Inboxkit
- $3,000at today’s rate
- Smartlead
- $4,500
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 | Smartlead |
|---|---|---|---|
| 100mailboxesGoogle mailboxes | Inboxkit, monthly$300 | Inboxkit, annual$250 | Smartlead$450 |
| 500mailboxesGoogle mailboxes | Inboxkit, monthly$1,500 | Inboxkit, annual$1,250 | Smartlead$2,250 |
| 1,000mailboxesGoogle mailboxes | Inboxkit, monthly$3,000 | Inboxkit, annual$2,500 | Smartlead$4,500 |
Every Smartlead plan includes warmup, and SmartSenders sets it up for you. Ours is a $3 add-on.
Mailboxes only. SmartSenders adds $13 a domain a year for Google. Sending from Smartlead needs a Smartlead plan with either option.
Head to head
Inboxkit vs Smartlead, line by line
Taken from public pages. Where Smartlead publishes nothing, the cell says so.
| Feature | Inboxkit | Smartlead |
|---|---|---|
| Mailboxes | Official, paid Google Workspace and Microsoft 365, plus Azure | Google, Outlook and SMTP from third-party vendors |
| Claude Code / Codex (MCP) | Remote MCP server, connects to Claude Code and Codex | Smartlead offers an MCP server |
| Google price | $3 a mailbox, or $2.50 on annual billing | $4.50 a mailbox, plus $13 a domain a year |
| Microsoft price | $3 a mailbox; Azure $30 a tenant for up to 100 | Outlook $4.50 or $5 a mailbox, plus $13 or $16 a domain a year |
| Where they work | One-click export to 24+ sequencers, Smartlead included | Cannot be transferred or used outside Smartlead |
| Billing | Pay only for the mailboxes you add | Mailboxes monthly; domains yearly on a fixed 12-month term |
| API | Full REST API with webhooks on every account, 119 endpoints | API and webhooks from Pro at $94 a month |
| Warmup (add-on) | 14 days on an isolated network, $3 a mailbox | Included in Smartlead plans; SmartSenders sets it up |
| Placement tests (add-on) | Unlimited with InfraGuard, which checks every six hours with auto-pause | SmartDelivery add-on, from $49 a month |
Competitor details from public pages, checked 28 Oct 2026. Sources: Smartlead SmartSenders (smartlead.ai); Smartlead pricing (smartlead.ai); Smartlead pricing (text version) (smartlead.ai); SmartSenders FAQs (helpcenter.smartlead.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 Smartlead today.
Official, paid Google and Microsoft seats
Every Google Workspace and Microsoft 365 mailbox is a paid seat, at $3 for either.
Works with Smartlead
Export in one click to Smartlead, Instantly or any of 24+ sequencers, now or later.
Azure for Microsoft volume
Up to 100 mailboxes on one Azure tenant for $30 a month.
Orders ready in 30 to 120 minutes
Orders complete automatically. SPF, DKIM and DMARC are configured for you.
Claude Code and Codex over MCP
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
No gap in sending
Move your sending mailboxes to Inboxkit
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
Keep Smartlead running while the new mailboxes warm up.
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.
Do Inboxkit mailboxes work with Smartlead?
Yes. Export them to Smartlead in one click. The same mailboxes also export to any of 24+ sequencers.
How do the prices compare?
Google mailboxes are $3 here and $4.50 on SmartSenders, before domains. 1,000 cost $3,000 against $4,500 a month.
Can SmartSenders mailboxes leave Smartlead?
Smartlead’s help center says they cannot be transferred or used outside Smartlead. Ours export to any of 24+ sequencers.
Do I still need a Smartlead plan?
To send from Smartlead, yes, with either option. SmartSenders needs a Smartlead plan, from $39 a month.
Does Smartlead include warmup?
Yes, every Smartlead plan includes warmup. Ours is an add-on: $3 a mailbox for 14 days on an isolated network.
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.