🚀 The New Way to Do Cold Email

What Cold Email Infra is Best?Stop Guessing. Try Everything.

While others juggle a few unreliable email providers or servers, we instantly route your emails across 100+ infrastructure partners adapting to spam filter changes hourly. Improve deliverability by average of 15 to 30% with setup in just 5 minutes.

☝️ DON'T BELIEVE US? Put your email above and see if we can land in your PRIMARY inbox (not spam!)

Works with:

Instantly logoInstantly
Smartlead logoSmartlead
Clay logoClay
Apollo logoApollo
ReplyIO logoReplyIO
and many more...

Low to No Reply Rate? It's Not You - It's Your Cold Email Stack

Top agencies get high inbox rates by hiring Cold Email Infrastructure experts - specialists who manage diversified email infrastructure, multiple providers, constant optimization, and professional setup. We bring you the same top agency grade diversified approach for less than what you'd pay Google or Outlook.

Why Your Emails Hit Spam

Most cold email infrastructure relies on just 2-3 providers shared with thousands of other cold emailers. This shared reputation means you get lumped in with spammers, tanking your deliverability and reply rates.

Technical Nightmare

DKIM, DMARC, SPF, domain warming, IP reputation management, etc - the rules keep changing overwhelming most teams. Confusion over outdated advice or folklore.

Specialized Engineer Required

You need a $120K+/year specialist who understands SMTP protocols, bare metal servers, DNS management, and email infrastructure. Most companies can't afford this level of expertise.

How NOS Email Solves This

Send from your favorite tools like normal. Our AI instantly routes each email through the best infrastructure for maximum deliverability at minimum cost.

1. Send Like Normal

Instantly
1,000 emails ready
Smartlead
Campaign active
Any Tool
SMTP/API ready

2. AI Smart Routing

NOS AI Router
Analyzing recipient MX...
Checking 100+ providers...
Selecting optimal route...

3. Best Infrastructure

Gmail95% rate
Outlook93% rate
SMTP Pro97% rate
💰 Cheapest option selected

Why This Works Better

100+ Infrastructure Partners

Google Workspace, Outlook, SMTP providers, dedicated servers - we use them all to find the perfect match

Real-Time Optimization

AI analyzes deliverability every hour and adapts routing instantly - not outdated monthly reports

Works With Any Tool

Instantly, Smartlead, Apollo, or custom SMTP - just point to our endpoints and we handle the rest

Improved Deliverability

Achieve 15-30% better deliverability that beats single-provider setups consistently

NOS Email vs Google or Outlook

Metric
NOS Email
Google or Outlook
Setup Time
5 minutes
10+ hours
Made for Cold Email
YES
NO
Monthly Cost
Starting at $10
$720+ per month
Mailboxes
Unlimited
Pay per mailbox
🎯 Save money with better results

Simple, Transparent Pricing

No hidden fees. No setup costs. Just results that scale with your business.

Starter

$10/mo

Perfect for getting started

1,000 emails/month
Unlimited mailboxes
AI-powered routing
Real-time analytics
Most Popular

Growth

$100/mo

For growing businesses

10,000 emails/month
Unlimited mailboxes
AI-powered routing
Priority support
Advanced analytics

Scale

$500/mo

For scaling teams

50,000 emails/month
Unlimited mailboxes
AI-powered routing
Priority support
Advanced analytics

Enterprise

$1000/mo

For large organizations

100,000 emails/month
Unlimited mailboxes
AI-powered routing
Dedicated support
Custom integrations

Ready to Boost your Deliverability?

Join the modern sales teams improving deliverability by 15-30% with NOS Email