Cold Email Index Free PDF reports

Inbox providers · 18th of 52 · 2026

NudoInfra pricing and review

nudoinfra.com · Google & Microsoft inbox reseller · legal entity: NudoInfra Tech Inc. · Visit site ↗

COLD EMAIL INDEX · 2026 · SOURCED FACTS · 58 /100
  • Deliverability22/27
  • Inbox choice8/16
  • Sending4/15
  • API & AI0/7
  • Buying terms6/10
  • Setup cost18/25
18th of 52 inbox providers

Why it ranks here

Sells Microsoft 365 inboxes. Warm-up keeps running for the life of the inbox at no extra cost. Deliverability: automatic SPF/DKIM/DMARC, replacement of burned inboxes and dedicated IPs. At $1.50 per inbox, it is among the cheapest quarter of providers we track (median $3.15).

Key features

  • Ongoing warm-up in the price
  • Automatic SPF/DKIM/DMARC
  • Replacement of burned inboxes
  • Microsoft 365 inboxes
  • Dedicated IPs

Best for

Teams that already run a sequencer and only need inboxes.

Pricing

Per inbox
$1.50
At volume
$0.97
Minimum order
50 inboxes
Cheapest plan
$75/mo
Domain (.com)
$15.50/yr

Monthly billing. Pricing page ↗ · checked Oct 31, 2026

Scorecard

DeliverabilityWhat protects sender reputation without extra tools or subscriptions.22/27
Inbox choiceWhich types of inboxes and domains you can get in one place.8/16
Sending and workflowWhether you can run and manage campaigns without another tool.4/15
API and AI agentsHow easy it is to automate the setup from code or an AI assistant.0/7
Buying termsHow much you risk before you know it works.6/10
Cost of a working setupWhat 30 inboxes plus warm-up and a sequencer cost per month — the cheaper, the more points.18/25
Total58/10015 of 20 conditions checked

The evidence

Every condition, what the vendor's own site says, and where.

Deliverability
Ongoing warm-up included in the priceConfirmedDedicated warmup pool per domain, never shared with other domainssource ↗6/6
Pre-warmed inboxesConfirmedIf a domain reputation degrades, the system automatically reroutes sending to pre-warmed infrastructure while the affected environment cools down.source ↗2/2
Automatic SPF, DKIM and DMARC setupConfirmedAutomated DNS Setup (SPF/DKIM/DMARC)source ↗5/5
Inbox placement or spam testsNot found on site0/5
Replacement of burned inboxes or domainsConfirmedIf a domain reputation degrades, the system automatically reroutes sending to pre-warmed infrastructuresource ↗5/5
Dedicated IP optionConfirmedDedicated IP capabilitysource ↗4/4
Inbox choice
Google Workspace inboxesNot found on site0/5
Microsoft 365 / Outlook inboxesConfirmedUnique Azure Tenant per domainsource ↗5/5
Private SMTP/IMAP inboxesNot found on site0/3
Domain purchase inside the productConfirmedBring your own domains (or purchase through product); Wholesale Domains: $15.50/year (At cost)source ↗3/3
Sending and workflow
Built-in campaign sequencerNot found on site0/5
Unified inbox for repliesNot found on site0/4
Export to other sending toolsConfirmedSmartlead/Instantly Native Integrationsource ↗4/4
Multi-client workspaces or white-labelNot found on site0/2
API and AI agents
Public APINot found on site0/4
Official MCP serverNot found on site0/3
Buying terms
Prices published on the siteConfirmed$1.50/mo per mailbox (Scale Plan, min. 50)source ↗4/4
Free plan, free trial or money-back guaranteeNot found on site0/4
Monthly billing availableConfirmedSave 30% (annual vs monthly billing)source ↗2/2
Cost of a working setup
Cost of a working setup (30 inboxes)Calculated50 inboxes × $1.50 = $75 + $97 — Instantly Hypergrowth for warm-up and sending (the inbox price includes neither) = $172/monthhow ↗18/25

Alternatives to NudoInfra

Where we checked

Only the vendor's own public pages. We do not use third-party reviews or ratings. Something wrong? Send a correction.

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Every fact is from the vendor's own site, same rules for everyone · Method · Disclosure