Cold Email Infrastructure Built for Scale

Stop Landing in Spam. Start Landing Meetings.

Done-for-you email infrastructure with 95%+ inbox placement. Ready to send in 48 hours.

Customer Darrel Jacobsen Robert Parnigoni Jan Kiewiet Besart Peci
Trusted by 50+ sales teams sending 2M+ emails/month

95%+

Inbox placement guaranteed

48 hrs

Setup to sending

60%

Cheaper than Google Workspace

0

Technical work for you

50+
Active Domains
250+
Warmed Inboxes
95%+
Inbox Placement
2M+
Emails Sent Monthly
100%
Dedicated IPs

Integrates With Your Stack

Results That Speak

Teams that made the switch

See how sales teams improved their deliverability and booked more meetings

📈 42% → 94% inbox placement

"We were stuck at 42% inbox placement with our old setup. Within 3 weeks of switching to imisofts, we hit 94%. Our reply rates doubled and we're booking 3x more demos."

JM
James Mitchell
Head of Sales, TechScale Agency
💰 $47K pipeline in first month

"Setup was incredibly fast. Had 20 inboxes ready and warmed within a week. The dedicated IPs made all the difference — our emails actually land in primary now. Generated $47K in pipeline first month."

SR
Sarah Rodriguez
Founder, OutboundPro
⚡ 60% cheaper than Google Workspace

"We were paying $6/inbox with Google Workspace and still landing in spam. Switched to imisofts — now paying less, getting better deliverability, and the team handles everything. No brainer."

AK
Alex Kim
SDR Manager, CloudStack Solutions
Why We Exist

Google and Outlook weren't built for cold outreach

Shared sending pools destroy your reputation. One bad actor on your server gets blacklisted, and suddenly your emails go to spam too.

We deploy dedicated servers with warmed domains and rotating IPs, so every email hits the primary inbox. You own the domains. You own the inboxes. You keep the reputation.

What we handle for you:

Domain procurement & setup
SPF, DKIM, DMARC configuration
Mailbox creation & warming
Instantly / Smartlead / Apollo integration
Ongoing deliverability monitoring
The Cold Email Infrastructure Problem

Why 60% of Your Cold Emails Never Get Seen

You're paying for Instantly or Smartlead. You've got great copy. But your emails keep landing in spam. Here's why:

Shared IP Pools Tank Your Reputation

One spammer on your shared server gets blacklisted, and suddenly YOUR emails go to spam too. You're paying for someone else's mistakes.

Google Workspace Costs Add Up Fast

$7/mailbox/month sounds cheap until you need 50 inboxes. That's $4,200/year for infrastructure that isn't even built for outbound.

12+ Hours of Tedious Setup

Buying domains, configuring SPF/DKIM/DMARC, setting up mailboxes, warming IPs. Most teams give up or mess it up, burning domains before sending a single email.

No Control Over Your Deliverability

When things break, you're stuck waiting on support tickets. No monitoring, no alerts, no way to fix issues before they tank your campaigns.

The Result? Burned Domains, Wasted Budget, Zero Pipeline.

Your Instantly subscription is only as good as the infrastructure behind it. Bad inboxes = bad results. Period.

How It Works

From Zero to Sending in 48 Hours

We handle the technical heavy lifting. You focus on closing deals.

1

Tell Us Your Goals

How many emails per day? Which platform? We design infrastructure to match your outreach volume.

2

We Build Everything

Domains purchased, DNS configured, mailboxes created, SPF/DKIM/DMARC aligned. Zero work for you.

3

14-Day Warm-Up

Automated warming builds sender reputation before you send a single cold email. No burned domains.

4

Connect & Send

Plug your inboxes into Instantly, Smartlead, or Apollo. Start campaigns with 95%+ inbox placement.

1

Tell Us Your Goals

How many emails per day? Which platform? We design infrastructure to match your outreach volume.

2

We Build Everything

Domains purchased, DNS configured, mailboxes created, SPF/DKIM/DMARC aligned. Zero work for you.

3

14-Day Warm-Up

Automated warming builds sender reputation before you send a single cold email. No burned domains.

4

Connect & Send

Plug your inboxes into Instantly, Smartlead, or Apollo. Start campaigns with 95%+ inbox placement.

Why imisofts

Built Different. Delivers Better.

While others resell shared infrastructure, we engineer dedicated systems that protect your reputation and maximize every send.

48-Hour Launch

From contract to sending in two days. Your competitors are still configuring DNS while you're booking meetings.

10x faster than DIY

Dedicated Servers

Your own private infrastructure. No shared IPs, no reputation risk from other senders. You own it all.

100% private IPs

95%+ Inbox Rate

No shared pools. No mystery blacklists. Just consistent primary inbox delivery on every campaign.

95%+ guaranteed

Zero Technical Work

DNS, SPF, DKIM, DMARC, warm-up—we handle it all. Focus on closing deals, not email auth.

0 tasks for you

Automated Warming

14-day warming protocol builds sender reputation gradually. Your domains are protected from day one.

14 day protocol

24/7 Monitoring

Automated alerts catch deliverability issues before they become problems. Proactive remediation included.

24/7 monitoring

One-Click Integration

Connects to Instantly, Smartlead, Apollo, Saleshandy, or any SMTP-compatible outreach tool.

20+ integrations

Priority Support

Direct Slack access to deliverability experts. No tickets, no wait times. Real humans, real-time.

<2h response time
Simple, Transparent Pricing

Infrastructure That Pays for Itself

One meeting booked from cold email pays for months of infrastructure. No hidden fees. No long-term contracts.

Only accepting 3 new clients in January 2026

Starter

$489 /year

Reliable infrastructure for early-stage campaigns.

Includes 10 domains & 50 professional inboxes

What you get:

  • 10 sending domains with 50 warmed inboxes
  • DNS authentication (SPF, DKIM, DMARC) handled
  • IP rotation & reputation safeguards
  • 14-day automated warm-up protocol
  • Instantly/Smartlead integration and QA
  • Monthly deliverability health snapshot

Best for: Agencies testing cold email with healthy sender reputation

Get Started
BEST VALUE

Professional

$1,225 /year

Scaled infrastructure with redundancy & monitoring.

Includes 25 domains & 125 professional inboxes

What you get:

  • 25 sending domains with geo & risk segmentation
  • Dedicated tracking & bounce handling infrastructure
  • Multi-provider routing (Google, Microsoft, custom)
  • Automated warm-up with blacklist monitoring
  • Monthly deliverability review with analyst
  • Priority Slack support during business hours

Best for: Agencies & SaaS teams scaling outbound volume responsibly

Get Started
ENTERPRISE

Enterprise

$2,450+ /year

Custom infrastructure for large-scale, multi-brand outbound.

Includes 50+ domains & 250+ professional inboxes

What you get:

  • 50+ domains with automated scaling playbooks
  • Dedicated server cluster & custom routing rules
  • Advanced warming schedules & IP warming
  • Deliverability command center & dashboards
  • 24/7 priority escalation & remediation
  • Quarterly strategy workshops & training

Best for: Enterprise sales teams needing bulletproof deliverability at volume

Get Started

Email Infrastructure Calculator

Calculate exactly how many domains and inboxes you need to hit your daily outreach goals safely.

30
emails/inbox/day
100
emails/domain/day

These are safe sending limits. Exceeding them hurts deliverability and sender reputation.

Your Infrastructure Needs:

12
Inboxes Needed
3
Domains Needed
Foundation
Recommended Package

Calculated using 30 emails/inbox and 100 emails/domain safe limits

Packages

Compare Our Service Packages

See exactly how each tier stacks up across infrastructure, campaign orchestration, reporting, and support.

Infrastructure Features Starter Professional Enterprise
Domains & Inboxes
Sending Domains 10 domains 25 domains 50+ domains
Professional Inboxes 50 inboxes 125 inboxes 250+ inboxes
Authentication (SPF/DKIM/DMARC)
Routing & Reputation
IP Rotation Shared pool Priority pool Dedicated cluster
Warm-up Automation 14-day protocol Custom sequences Custom + IP warming
Platform Integrations Instantly/Smartlead Multi-provider routing Full multi-brand orchestration
Monitoring & Support
Health Reporting Monthly summary Weekly dashboards Real-time command center
Deliverability Analyst Monthly review Dedicated analyst
Support Channel Email Slack 24/7 Priority
Strategy Workshops Quarterly advisory Quarterly workshops
Common Questions

Everything You Need to Know Before Getting Started

No sales fluff. Just straight answers about how our infrastructure works and what results to expect.

From Our Blog

Cold Email Resources

Free guides and comparisons to level up your outreach.

GUIDE

Cold Email Sending Limits 2025

How many emails can you safely send per day? The complete breakdown.

COMPARISON

Instantly vs Smartlead 2025

Which cold email platform is right for your outreach needs?

TEMPLATES

Cold Email Templates That Generated $5M

Proven templates you can steal for your next campaign.

View All Articles

Complete Your Outreach Stack

Pair cold email infrastructure with these services for maximum results.

B2B Lead Generation

Get 40-100+ qualified appointments per month. We handle prospecting, outreach, and booking.

Learn More →

AI Automation

Automate follow-ups, lead scoring, and CRM updates with AI agents and n8n workflows.

Learn More →
Free Infrastructure Audit

Find Out Why Your Emails Are Landing in Spam

Get a detailed analysis of your current setup, deliverability scores, and a custom roadmap to 95%+ inbox placement.

DNS & authentication audit (SPF, DKIM, DMARC)
Inbox placement test across Gmail, Outlook, Yahoo
Domain reputation & blacklist check
Custom improvement roadmap
500+
Audits delivered
24hr
Turnaround
100%
Free, no strings

Get Your Free Audit

Takes 30 seconds. No credit card required.

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