Inbox Kit
InboxKit is your all-in-one platform for building, managing, and scaling cold-email infrastructure. It automates everything from domain provisioning and DNS setup to mailbox creation, warm-up, and sequencer integrations, so you can...
What is Inbox Kit?
InboxKit is your all-in-one platform for building, managing, and scaling cold-email infrastructure. It automates everything from domain provisioning and DNS setup to mailbox creation, warm-up, and sequencer integrations, so you can focus on running high-performing outbound campaigns — not managing the tech stack behind them.
Key Features
Infrastructure That Just Works
Every domain, mailbox, and DNS record is automatically configured on our backend. No more dealing with SPF/DKIM records, MX routing, or propagation delays manually — the system handles it all for you.
Deliverability, Not Guesswork
InboxKit continuously optimizes warm-up schedules and mailbox reputation to keep your outreach out of spam and in the inbox. It’s designed for agencies, founders, and outbound teams that care about consistency and scale.
Seamless Integrations
Native support for Smartlead, Instantly, and more ensures your sending infrastructure connects smoothly with your favourite sequencers. Export mailboxes in bulk, track statuses, and manage campaigns without leaving the dashboard.
Transparent Credits & Plans
No hidden fees — every domain, mailbox, and add-on is powered by a simple credit-based system or monthly plan. Credits never expire, and plans like Professional, Agency, and Enterprise are designed to match your team’s sending volume and growth stage.
Tool Information
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