Email InfrastructureThat Scales
SMTP relay and licensed M365 infrastructure for agencies that can't afford downtime. 3 isolated inboxes per domain, full DNS authentication, and 15-20 sends per inbox daily. Scale to 20-30 after warmup.
"I'd 100% recommend it to agency owners that don't want all their eggs in one basket with black box tenant providers. We have control and we're protected."
Trusted by 10,000+ businesses worldwide
Most Cold Email Infrastructure
is Built on Borrowed Time
PROVIDER: Azure License Reseller
ISSUE: Shared License Abuse Detected
> Analysis: 1 Microsoft license split across 99 mailboxes
> Impact: Sending capacity throttled to 1-2 emails/day
> Scale requirement: 25,000 inboxes needed for 35K+ emails/day
PROVIDER: Shared Tenant Infrastructure
ISSUE: Cross-Contamination Detected
> Analysis: All your domains on a single tenant
> Impact: Reputation collapse affects all users simultaneously
> Blast radius: 1 burned domain takes down all your domains in the tenant
> Recovery: Requires complete infrastructure rebuild
PROVIDER: Mailr Infrastructure
ISSUE: Platform Termination Event
> Event: Microsoft audit triggered mass shutdown
> Date: December 15th, 2024 - operations ceased without warning
> Recovery time: 2-4 weeks to rebuild from scratch
> Customer loss: 100% infrastructure unavailable
System Status:ALL SYSTEMS OPERATIONAL
Threat Level:NONE- Microsoft ToS Compliant
Infrastructure Health:99.8%Uptime
✓Dedicated tenant isolation - your reputation is yours alone
✓10x sending capacity - 15-20 emails/day vs 1-2/day
✓Zero shutdown risk - Microsoft ToS compliant
✓Stable OAuth authentication - no random disconnects
✓Infrastructure you can build a business on
#INFRASTRUCTURE
Licensed Infrastructure
That Actually Works
150,000+ EMAILS SENT DAILY
across 10,000+ isolated M365 inboxes for 50+ agencies
Full DNS Authentication
SPF, DKIM, DMARC configured correctly. Custom tracking domains. Zero technical setup required.
Isolated Infrastructure
Dedicated servers. No shared IPs across customers. Your sender reputation is completely isolated.
Universal Sequencer Integration
Instantly, Smartlead, Apollo, Lemlist, and every major platform. Pre-configured and ready to launch.
High-Volume Capacity
Built for scale. Handle thousands of emails daily per domain with enterprise-grade infrastructure.
Rapid Deployment
From payment to live in your sequencer. 24-48 hours. No waiting, no complex setup processes.
Dedicated Support
Dedicated Slack channels with 24/7 access. Ping us whenever—real infrastructure experts, not generic support tickets.
Everything included. No hidden fees. No surprises.
#DEPLOYMENT
From Zero to Sending
in 48 Hours
1. PROVISION
Hour 0
Tenant Creation
- •Isolated Microsoft tenant provisioned
- •3 M365 mailboxes created per domain
- •Admin credentials generated
- •Full panel access granted
2. CONFIGURE
Hours 1-6
DNS Setup
- •SPF records added
- •DKIM keys configured
- •DMARC policy set
- •Sequencer connected
3. WARM
Days 1-14
Reputation Building
- •Automated warmup initiated
- •Gradual volume increase
- •Sender reputation established
- •10-15 emails/day capacity reached
4. LAUNCH
Day 14+
Full Production
- •Sending 1,500 emails/day per domain
- •Scale to 2,000+ after 45 days
- •Complete operational control
- •99.8% uptime guaranteed
Technical support available 24/7 throughout deployment
#PRICING
Transparent Pricing
Built to Scale
No hidden fees. No surprises. Just premium email infrastructure.
Shared SMTP Infrastructure
Cost-effective relay infrastructure for high-volume outreach
Enterprise
1,000 inbox minimum
- Everything in Agency
- SLA guarantees
- Custom integrations
Custom
2,000+ inboxes
- Everything in Enterprise
- Volume discounts
- Dedicated infrastructure
#FAQ
Frequently Asked Questions
Got specific questions? We've got answers.
It depends on your infrastructure type: • SMTP (Shared & Dedicated): High-volume relay capacity with no per-inbox throttling. These are designed for scale. • Licensed M365: 10-15 emails per inbox per day initially. After 45 days of the mailbox being created, you can scale to 20 emails per inbox per day. With M365, you get 3 inboxes per domain, so that's 30-45 emails per domain initially, scaling to 60 emails per domain after 45 days.
Still have questions?
Our team is available 24/7 to answer technical questions about infrastructure, deployment, or which option is right for your use case.
Talk to Infrastructure Experts