Trusted by cold email professionals

Deploy M365 Inboxes at Scale

Stop spending hours on manual setup. InboxRig automates Microsoft 365 provisioning, DNS configuration, and credential management. From domains to sending in minutes.

10x
Faster Setup
100%
Automated DNS
Parallel Domains
Batch Provisioning
3 domains • 147 mailboxes
acme-corp.com
Complete
startup-io.net
Complete
sales-team.org
Complete
DNS Configured
CSV Ready

Everything You Need to Scale

Built for cold email professionals who need reliable infrastructure without the technical headaches.

Parallel Processing

Provision multiple domains simultaneously. Configure concurrency to match your workflow. No more waiting.

Automatic DNS

Cloudflare integration handles MX, SPF, DKIM, and DMARC records automatically. Zero manual configuration.

Bulk User Creation

Generate 49+ email permutations per name. Upload CSV or enter names manually. Smart duplicate prevention.

Instant CSV Export

Download credentials the moment provisioning completes. Admin and mailbox logins ready for your sequencer.

App Pre-Authorization

Automatically grant admin consent for third-party apps. Skip the OAuth prompts for Instantly, Smartlead, and more.

Team Workspaces

Organizations with member management, role-based access, audit logs, and webhook notifications.

How It Works

From domains to sending in four simple steps. No technical expertise required.

1

Add Domains

Bring your domains and point them to Cloudflare. We handle the M365 infrastructure.

2

Configure Inboxes

Enter names, choose permutations per inbox. We generate professional email variations.

3

Click Deploy

We handle DNS records, user creation, licenses, and mailbox provisioning in parallel.

4

Download & Send

Get your CSV with all credentials. Import directly to your cold email platform.

Simple Per-Domain Pricing

No hidden fees. No per-inbox charges. Price drops automatically as you scale.

Starter
For individuals and small teams
$30 /domain/month
  • Up to 50 domains
  • 25 mailboxes per domain
  • Automatic DNS configuration
  • Instantly & Smartlead upload
  • Standard support
Get Started
Scale
For high-volume operations
$20 /domain/month
  • Unlimited domains
  • Up to 99 mailboxes per domain
  • Custom email counts
  • Unlimited team members
  • Bulk domain setup & CSV import
  • Dedicated support
Get Started

Minimum 5 domains ($150/mo on Starter). Start with a free 3-domain, 7-day trial.

Frequently Asked Questions

Everything you need to know about InboxRig

Just your domains on Cloudflare. We provide the M365 infrastructure—tenants, licenses, and admin accounts are all managed by InboxRig. You bring domains, we handle everything else: DNS records, user creation, license assignment, and mailbox provisioning.

Most domains complete in 5-15 minutes depending on the number of mailboxes. With parallel processing, multiple domains are provisioned simultaneously. DNS propagation is usually instant with Cloudflare.

InboxRig exports standard CSV files that work with any platform—Instantly, Smartlead, Saleshandy, Lemlist, Apollo, and more. We can also pre-authorize OAuth for supported apps so there's no manual consent flow.

InboxRig uses simple per-domain pricing. Each domain includes M365 licenses, DNS setup, and mailbox provisioning. Volume discounts apply automatically as you scale—starting at $30/domain for Starter, $25 for Growth, and $20 for Scale plans. Minimum 5 domains to get started, and we offer a free 3-domain trial so you can test the platform first.

Yes. All credentials are encrypted at rest with AES-256-GCM. We handle M365 tenant infrastructure so you never need to manage admin accounts. CSV files are generated on-demand and stored securely. We also offer team workspaces with role-based access control and full audit logging.

Currently, InboxRig is optimized for Microsoft 365. Google Workspace support is on our roadmap. Join our waitlist to be notified when it's available.

Ready to Scale Your Outreach?

Stop wasting hours on manual setup. Deploy M365 inboxes in minutes, not days.

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