Scale Your Cold Email Campaigns with Office 365 Mailboxes at $1

Access premium Microsoft Office 365 inboxes for high- volume cold email campaigns. Perfect for agencies, sales teams, and marketers who need reliable deliverability at scale.
Uptime
0 %
Emails Sent
0 K+

Office 365 Dashboard

Real-time campaign monitoring

Active Inboxes

12,400

Daily Send Limit

50,000

Deliverability Rate

98.7%

Trusted by Leading Companies

Join thousands of businesses using our infrastructure

Powerful Features for Cold Email Success

Everything you need to run successful cold email campaigns with real Microsoft Office 365 inboxes

Office 365 Inboxes

Authentic Microsoft Office 365 email accounts with full functionality and enterprise-grade security.

DNS Setup

Comprehensive DNS Setup to optimize your cold email campaigns and improve deliverability.

Automated Setup

Get your inboxes ready in hours with our automated setup process and intelligent configuration.

Advanced Email Warming & Reputation Management

Our intelligent warming system gradually builds your inbox reputation to ensure maximum deliverability from day one.

Smart Warming Algorithm

Automated warming process that mimics natural email patterns

Reputation Monitoring

Continuous monitoring of sender reputation and deliverability metrics

AI-Powered Optimization

Machine learning algorithms optimize send patterns for best results

Warming Progress Dashboard

Inbox Reputation
94%
Domain Authority
87%
Warming Progress
76%
Days Warming
0
Emails Sent
0

Transparent Pricing for Every Scale

Choose the perfect plan for your cold email needs. All plans include real Office 365 inboxes with full Microsoft integration.

Starter

Perfect for small teams

$100

per month

Professional

For growing businesses

$200

per month

Enterprise

For Enterprise

$400

per month

Agency

For marketing agencies

Custom

per month
No setup fees • Cancel anytime

Why Choose Our Cold Email Infrastructure?

Discover the competitive advantages that make our platform the preferred choice for agencies and high-volume senders

Superior Deliverability

Achieve 95%+ inbox placement rates with our Microsoft- authenticated infrastructure and advanced reputation management.

Cost-Effective Scaling

Save up to 70% compared to traditional email service providers while maintaining premium quality and features.

Lightning Fast Setup

Get your inboxes operational in under 10 minutes with our automated provisioning and configuration system.

Performance Comparison

Inbox Placement Rate
98.7%
vs Industry Average: 85%
Setup Time
12 Hours
vs Industry Average: 3-5 days
Cost Savings
73%
vs Traditional ESP

Perfect for Agencies

Manage multiple client campaigns with dedicated inboxes, white-label reporting, and seamless client onboarding.

High-Volume Ready

Scale to millions of emails per month with our enterprise-grade infrastructure and intelligent load balancing.

Enterprise Security

Bank-level security with Microsoft's enterprise authentication, encryption, and compliance standards.

Seamless Integrations

Connect with your favorite tools and platforms to create a unified cold email workflow

Connect Your Entire Sales Stack

Our platform integrates seamlessly with 100+ popular sales and marketing tools, ensuring your cold email campaigns fit perfectly into your existing workflow.

Smartleads

Automatically connect mailboxes to Smartleads

Instantly

Integrate mailboxes to Instantly

CSV Export of Mailboxes

Import mailboxes in any sending tool

Zapier
Slack
Analytics
LinkedIn
Webhooks
Office 365
API
100+

Need a Custom Integration?

Our development team can create custom integrations for your specific workflow requirements.

What Our Customers Say

Join thousands of satisfied customers who’ve transformed their cold email campaigns with our platform
5.0
“ColdMail Pro completely transformed our agency’s email deliverability. We went from 60% inbox placement to 98% in just two weeks. The Office 365 integration is seamless and the warming process is incredibly effective.”

Sarah Chen

CEO, Growth Marketing Agency

5.0
“The cost savings are incredible. We’re sending 10x more emails at half the cost of our previous provider. The analytics dashboard gives us insights we never had before. Highly recommended for any serious cold email operation.”

Marcus Rodriguez

VP Sales, TechStart Inc.

5.0
“Setup was incredibly fast – we had 50 inboxes running in under 15 minutes. The support team is responsive and knowledgeable. This platform has become essential to our lead generation strategy.”

Emily Watson

Marketing Director, Scale Solutions

4.9/5

Average Rating

300+

Happy Customers

98.7%

Satisfaction Rate

Frequently Asked Questions

Get answers to common questions about our cold email infrastructure and Office 365 inboxes
Yes, all our inboxes are genuine Microsoft Office 365 accounts with full functionality, enterprise security, and Microsoft’s reputation backing. Each inbox comes with complete Outlook integration and can be used for cold outreach.
Our automated setup process typically takes 5-10 minutes. However, we recommend a 7-14 day warming period for optimal deliverability. During this time, the system gradually increases send volume to build your reputation.
Our customers typically achieve 95-99% inbox placement rates. This is significantly higher than industry averages due to our Microsoft infrastructure, proper warming protocols, and advanced reputation management systems.
Absolutely! We support custom domain configuration for Professional plans and above. Our team will help you set up proper DNS records, SPF, DKIM, and DMARC authentication to ensure maximum deliverability with your branded domains.
We integrate with popular tools including Smartleads, Instantly, Email Bison, CSV and more. We also provide a comprehensive export for custom integration. Our development team can create custom integrations for enterprise clients.
Yes, we offer a 30-day money-back guarantee on all plans. If you’re not satisfied with our service for any reason, we’ll provide a full refund. We also offer a 14-day free trial so you can test our platform risk-free.
We provide built-in compliance tools for CAN-SPAM, GDPR, and other regulations. This includes automatic unsubscribe handling, consent tracking, and compliance reporting. Our platform also includes content scanning to help you avoid spam triggers.

Ready to Scale Your Cold Email Campaigns?

Get started with your free trial today and experience the power of real Office 365 inboxes

Start Your Free Trial

No credit card required • 14-day free trial • Cancel anytime

Quick Setup

Get your first campaign running in under 10 minutes with our automated onboarding process.

Expert Support

Our team of cold email experts will help optimize your campaigns for maximum deliverability.

Instant Results

See immediate improvements in your inbox placement rates and campaign performance.

Need Enterprise Solutions?

Contact our sales team for custom pricing and enterprise features.
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