InboxKit Review (2026): Budget Google/Microsoft Inboxes
InboxKit provides US-IP Google Workspace, Microsoft 365, and Azure mailboxes starting at $2.50/inbox. Self-service with automated DNS. See also: best inbox providers for cold email.
Quick Facts
Pricing
Contact for pricing
Best For
Teams who want managed infrastructure with deliverability focus
Category
inbox provider
What is InboxKit?
InboxKit provides Google Workspace, Microsoft 365, and Azure mailbox accounts on US IPs. Self-service platform with automated SPF, DKIM, DMARC configuration.
Competitively priced at $2.50-3.10/inbox depending on volume, with optional warmup add-on at $3/inbox.
Key Features
US-IP Accounts Google Workspace, Microsoft 365, and Azure options all on US IPs.
Automated DNS SPF, DKIM, DMARC auto-configured.
Optional Warmup $3/inbox/month add-on for email warmup.
InfraGuard Blacklist monitoring, DNS watchdog, bounce tracking (first month free).
15+ Integrations Works with major sequencers and platforms.
Pricing
InboxKit pricing by plan (monthly):
- Professional: $31/month for 10 mailboxes ($3.10/inbox)
- Agency: $81/month for 30 mailboxes ($2.70/inbox)
- Enterprise: $250/month for 100 mailboxes ($2.50/inbox)
Add-ons: Warmup $3/inbox, Azure tenants $30 each. Annual billing saves ~20%.
Who Should Use InboxKit?
Good fit:
- Teams wanting Google/Microsoft on US IPs at competitive pricing
- Those who want automated DNS without manual config
- Teams who want optional warmup and monitoring add-ons
Not ideal for:
- Teams needing dedicated IPs (look at Infraforge)
- Very high volume where $2.50/inbox adds up
- Teams who already have infrastructure expertise
Pros & Cons
Pros
- Focus on deliverability
- Managed setup reduces complexity
- Good for teams new to cold email infrastructure
Cons
- Less well-known than competitors
- Pricing not publicly available
Our Verdict
InboxKit offers competitive pricing for US-IP Google/Microsoft accounts with good automation. Solid middle-ground option.
Good value for teams wanting Google/Microsoft on US IPs without premium pricing.
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Last updated: 2026-03-05