Puzzle Inbox
Infrastructure That Powers Your Cold Email Campaigns.
Puzzle Inbox launched on March 22, 2026 with 5 votes, #1,928 of 23,380 launches that month and more than 75% of that year's launches.
What it does
Pre-warmed Google Workspace & Outlook inboxes for cold email. DNS-ready, delivered in 24-72 hours. Starting at $0.35/inbox. Trusted by 1200+ clients with 70,800+ active inboxes.
Pre-warmed Google Workspace & Outlook inboxes for cold email. DNS-ready, delivered in 24-72h. From $0.35/inbox. Trusted by 1200+ clients.
Pre-warmed Google Workspace and Outlook inboxes for cold email outreach. DNS-ready, delivered in 24-72 hours. Starting at $0.35/inbox. Trusted by 1200+ clients with 70,800+ active inboxes. Our latest editorial research analyses delivery, deliverability, and reply rate distributions across the 70,800+ Google Workspace and Microsoft 365 mailboxes we have provisioned since 2023. Read the full Cold Email Statistics 2026 Report — methodology, citation block, and press contactfrom puzzleinbox.com
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