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Premium Inboxes provides official Google Workspace and Microsoft 365 Business inbox infrastructure for cold email outreach. Built for lead generation agencies, outbound sales teams, and GTM operators, the service handles inbox provisioning, domain authentication, and sending-platform setup without requiring customers to configure everything manually.

Customers provide their domains and onboarding details, while Premium Inboxes handles the technical setup, including SPF, DKIM, and DMARC configuration, and uploads the inboxes directly to supported sending platforms such as Salesforge, Instantly, and Smartlead. Standard delivery is within 6 hours once all onboarding requirements are complete.

Inboxes are freshly provisioned rather than pre-warmed, with warm-up initiated after deployment where applicable. Unlimited inbox replacements are included, making Premium Inboxes suitable for agencies and teams managing multiple outbound campaigns.

Key Features

  • Official Google Workspace & Microsoft 365 Business Inboxes: Freshly provisioned, officially licensed business accounts. No grey-market, shared, recycled, or previously used accounts.
  • Managed Domain Authentication: Human-verified SPF, DKIM, and DMARC configuration, along with the necessary DNS setup.
  • Supported Sending-Platform Setup: Direct inbox upload to supported platforms, including Salesforge, Instantly, Smartlead, and others.
  • Unlimited Inbox Replacements: Replacement inboxes included with all standard plans.
  • 6-Hour Delivery: Inbox provisioning and setup completed within 6 hours once all onboarding requirements are provided.
  • Warm-Up Initiation: Warm-up initiated after deployment where applicable. Inboxes are not sold as pre-warmed.
  • Scalable Infrastructure: Support for agencies and outbound teams managing multiple domains, campaigns, and client accounts, with a maximum of three inboxes per domain.

Pricing

  • Start Up: $3.50 per inbox every 4 weeks (1 to 249 inboxes).
  • Growth: $3.00 per inbox every 4 weeks (250 to 1,249 inboxes).
  • Enterprise: $2.80 per inbox every 4 weeks (1,250+ inboxes).

The same pricing applies to Google Workspace and Microsoft 365 Business inboxes. Domain costs are separate for standard plans.

Pros

  • Fast, done-for-you inbox provisioning and technical setup.
  • Official Google Workspace and Microsoft 365 Business infrastructure with no grey-market, shared, or previously used accounts.
  • Direct upload to supported sending platforms.
  • Unlimited inbox replacements on all standard plans.
  • Volume-based pricing for agencies and high-volume outbound teams.

Cons

  • Domains must be purchased and provided separately for standard plans.
  • Inboxes are freshly provisioned and require warm-up before cold outreach.

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