Category
Email Deliverability
Key features
Automated mailbox creation
SPF, DKIM and DMARC setup
Bulk domain onboarding
01 — Overview
What is
Inboxing
Inboxing provides mailboxes for cold email at scale and automates the setup, from mailbox creation to SPF, DKIM and DMARC records. Teams submit a domain through the dashboard, API or AI, update nameservers, and the mailboxes are typically ready within hours to be added to their sending platform. It is built for teams that need many domains and inboxes without the manual DNS work.
02 — Who it’s for
Ideal Customer Profile
Built for cold email agencies, outbound teams and power senders that run many domains and mailboxes, from teams starting out to high volume operations.
03 — Capabilities
Key Features
Automated mailbox creation
SPF, DKIM and DMARC setup
Bulk domain onboarding
Domain swapping
API access
1-on-1 support
05 — Similar tools
Alternatives
06 — FAQ
Frequently Asked Questions
What is Inboxing used for?
Inboxing is used to set up and run large numbers of cold email mailboxes with correct DNS configuration, ready to plug into an outreach tool.
Who is Inboxing for?
It is aimed at agencies, growing outbound teams and power users who send cold email across many domains.
How does setup work?
You submit a domain setup job with sender details, update nameservers, and Inboxing provisions mailboxes, DNS and compliance checks, usually within one to two hours.
Does Inboxing have an API?
Yes. All packages include full API access, and mailboxes can be added to your sending platform automatically.