Official Google & Microsoft 365
Infrastructure for Cold Email
Get Official Google & Microsoft accounts, fully set up and ready to send. Join 2,000+ agencies scaling with our premium US infrastructure.
4.9/5 from 240+ reviews
Trusted by 1000+ top performing teams





How Many Cold Email
Inboxes Do You Actually Need?
Tell us your daily volume, we'll tell you exactly what you need - and the cost.
Based on 500 emails/day with both
That's just $3.50/inbox - including domains, DNS, SPF / DKIM / DMARC, and sequencer upload.
Designed for Cold Delivery.
Skip the technical headache. We build and maintain your official Google and Microsoft email infrastructure, so you can focus on booking meetings.
Official Infrastructure
Genuine Google Workspace and Microsoft 365 accounts, not low-quality SMTP servers.
Global Domain Management
Automatic DNS, SPF, DKIM, and DMARC setups for every single inbox.
Real-Time Dashboard
Track inbox health, deliverability rates, and manage replacements in seconds.
Transparent Pricing
Official Google Workspace and Microsoft 365 accounts at unbeatable rates. No hidden fees.
All plans include automated DNS, SPF, DKIM, and DMARC setup.
Loved by Industry Leaders
Join 1000+ teams who have automated their infrastructure.
“Premium Inboxes transformed our agency's deliverability. We previously spent hours manually setting up DNS; now it's a few clicks.”
Alex Rivera
Founder at Outreachly
“The unlimited replacement policy is a game changer. We don't worry about being burned anymore. High volume is finally predictable.”
Sarah Chen
Head of Sales at GrowthFlow
“Official Google Workspace accounts have 10x the warm-up durability of regular SMTP. Premium Inboxes is the only provider we trust.”
James Wilson
CEO at ScaleFast
“We've tried every reseller; Premium Inboxes has by far the most reliable setup and fastest support for real B2B infrastructure.”
Emily Davis
Marketing Director at InboxBoost
“The real-time dashboard makes management effortless. We track 500+ inboxes and never miss a beat. Perfect for scale.”
Aiden O'Connor
Sales Manager at B2BLeads
“Simply the best service for cold email pros. They understand the technical nuances and provide high-quality infrastructure.”
Jessica Lee
Digital Strategist at LeadGenPro
“Premium Inboxes transformed our agency's deliverability. We previously spent hours manually setting up DNS; now it's a few clicks.”
Alex Rivera
Founder at Outreachly
“The unlimited replacement policy is a game changer. We don't worry about being burned anymore. High volume is finally predictable.”
Sarah Chen
Head of Sales at GrowthFlow
“Official Google Workspace accounts have 10x the warm-up durability of regular SMTP. Premium Inboxes is the only provider we trust.”
James Wilson
CEO at ScaleFast
“We've tried every reseller; Premium Inboxes has by far the most reliable setup and fastest support for real B2B infrastructure.”
Emily Davis
Marketing Director at InboxBoost
“The real-time dashboard makes management effortless. We track 500+ inboxes and never miss a beat. Perfect for scale.”
Aiden O'Connor
Sales Manager at B2BLeads
“Simply the best service for cold email pros. They understand the technical nuances and provide high-quality infrastructure.”
Jessica Lee
Digital Strategist at LeadGenPro
Frequently Asked Questions
Everything you need to know about our premium infrastructure and how we help you scale your outreach.