About Puzzle Inbox

Puzzle Inbox is cold email infrastructure for operators who actually send. We sell pre-warmed Google Workspace and Outlook 365 inboxes built specifically for cold outreach.

What we do

Pre-warmed cold email inboxes provisioned on real Google Workspace and Microsoft 365 tenants, warmed for 14 days against a live seed list before delivery, with SPF/DKIM/DMARC pre-configured. Integrates with Smartlead, Instantly, Lemlist, Saleshandy, and Woodpecker on day one.

Pricing

• Google Workspace Standard — $3.00/inbox/month
• Google Workspace Pre-Warmed — $4.50/inbox/month
• Outlook 365 Standard — $0.35/inbox/month
• Outlook 365 Pre-Warmed — $0.50/inbox/month

Recurring monthly billing in USD. No setup fees. Bulk pricing automatic above 100 inboxes.

Who we work with

Cold email agencies running infrastructure for 25+ clients, SDR teams at growth-stage B2B SaaS, solo founders launching outbound, and recruiters running high-volume candidate outreach.

Editorial standards

Reviews are written by the Puzzle Inbox team based on hands-on testing. We do not accept payment for inclusion in comparison content. Affiliate revenue is disclosed inline. Tool websites linked from reviews use rel="nofollow".

Contact

For bulk pricing, agency programs, white-label arrangements, or press inquiries, reach out via WhatsApp. Response within one business day.

Legal

Puzzle Inbox is operated by Puzzle Group FZC LLC. See Privacy Policy, Terms of Service, and Refund Policy.