Why Top Agencies Choose
WarmedInboxes
Cold outreach in 2025 and 2026 demands flawless technical infrastructure. Here is why the fastest-growing email marketing automation agencies run on WarmedInboxes.
Authorized Google & Microsoft Mailboxes
Real enterprise mailboxes configured with verified SPF, DKIM, and DMARC alignment. No shared, untrusted spam IPs.
Dedicated US & UK IP Sockets
We operate server clusters in Ashburn (Virginia), Chicago (Illinois), and London (UK). Low-latency local relay ensures top inboxing.
15% Bounce Protection Auto-Cap
Our real-time delivery telemetry automatically pauses inboxes if recipient errors spike, protecting your sender reputation.
Full Domain Ownership & Export
You maintain 100% control over your domains and mailboxes. Easily migrate or export credentials via universal SMTP/IMAP.
Zero Tenant Ban Exposure
By isolating secondary outreach domains across independent server sockets, your primary company domain remains 100% safe.
Best-in-Class $4.00/mo Unit Pricing
Direct Google Workspace costs $7.20/mo + warmup fees. We bundle pre-warming and infrastructure for just $4.00/mo.
Proven Deliverability at Global Scale
98.7%
Average Primary Inbox Rate
620k+
Mailboxes Prepared to Date
<0.5%
Average Bounce Rate
100%
Replacement Guarantee