InboxKit
Agent90Agent Readiness: 90/100. Top 25%. Measured by StartupHub.ai. Median 41.Trust95Data Trust: 95/100. Top 25%. Measured by StartupHub.ai. Median 61.InboxKit provides email infrastructure for sales teams and agencies, offering Google Workspace, Microsoft 365, and Azure mailboxes with automated DNS, warmup, and monitoring.
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About
InboxKit is an email infrastructure company that provisions and manages Google Workspace, Microsoft 365, and Azure mailboxes on customer domains. It automates DNS setup (SPF, DKIM, DMARC), warms up mailboxes on isolated networks, and monitors deliverability to ensure outreach emails reach the inbox. The service is designed for sales teams and agencies to scale their cold email campaigns without needing in-house deliverability expertise.
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Key facts
- Website
- inboxkit.com
- Headquarters
- Dubai, United Arab Emirates
- Founded
- 2023
- Employees
- 51
- Business model
- B2B
Tech stack
Detected on inboxkit.com, last scanned 3 Nov 2026. Run your own scan
- Frontend
- Next.js, Tailwind CSS
- Analytics
- PostHog
- CDN
- Vercel
- Email provider
- Google Workspace
- Email marketing
- Customer.io
- Affiliate program
- Self-hosted affiliate
- Visitor tracking
- Vector
- Integration capability
- Slack, Google Workspace, Zendesk, Linear
InboxKit scores 37. Does yours?
That is its Ahrefs DR: the backlink strength of a domain, on the Ahrefs 0 to 100 scale. Paste your website and you get yours in about a minute.
4 reviews from Reddit gathered in one place
Im running cold email for my SaaS on google workspace mailboxes I set up myself a while back. It;s been fine but managing it is a pain, every new domain is me back in dns records doing spf/dkim/dmarc by hand and then warmup before i can sen…
Zapmail vs InboxKit. Hey everyone, Setting up cold email infrastructure using a 70/30 split between Google Workspace and Microsoft Outlook. I will be handling all warm-ups and monitoring manually inside Instantly. I'm deciding between Zapma…
Spent around 1000$+ on mailboxes and they keep getting burned. (Updated) Hello, as the title says, I keep buying new domains and mailboxes just for them to get burned 3weeks to a month in. I use inboxkit to buy the mailboxes and smartlead f…
How does services like InboxKit work?. How does services like InboxKit work? They are able to create workspace accounts for so much cheaper than I am able to. Anyone know how they do it, and if it's something that can be done inhouse to sav…
Each quote is copied word for word and links to where it was posted. Promotion and off-topic posts are filtered out.
Frequently asked
Is InboxKit trustworthy and reputable?
StartupHub's Data Trust & Reputation score for InboxKit is 95 out of 100, a trusted rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How many employees does InboxKit have?
InboxKit has approximately 51 people on record.
Does InboxKit have an affiliate program?
Yes, InboxKit has an affiliate program. The program runs on Self-hosted affiliate. Register here: inboxkit.com/affiliates
B2B Marketing Agencies
Allbound OS is an AI-driven outbound systems agency that designs and operates fully-engineered pipeline infrastructures for B2B companies.
Sales Teams & Agencies
Cymate is a B2B lead generation and outbound marketing agency that helps B2B SaaS companies and tech startups scale their sales pipeline through cold email and AI-powered outreach.
Agencies & Sales Teams
Outbound Sales Teams
Confirmed customers of InboxKit.
Public record
SEC filings, insider activity, nonprofit links and pay benchmarks for InboxKit
