Infrastructure Maths

Volume & Inbox Calculator

Calculate required inboxes, domains, and daily send limits to hit your monthly pipeline targets.

Target Goals & Conversion Benchmarks

Industry B2B benchmark: 1.0% to 2.5% for targeted, personalized campaigns.
Typically 1 out of 2 positive leads books a demo/discovery call.

Deliverability Safeguards & Inbox Limits

Safe recommendation: 30 cold emails/day to avoid Google/Microsoft spam filters.
Standard practice: 2 inboxes per secondary domain protects domain longevity.

Recommended Outbound Infrastructure Blueprint

Mathematically optimized for 99%+ deliverability and zero domain burn.

Monthly Send Volume
2,000
Total verified contacts
Daily Send Target
96
Emails across all inboxes
Inboxes Required
4
Google / M365 accounts
Secondary Domains
2
2 inboxes per domain

Outbound Math Conversion Funnel

Est. Tooling & Mailbox Cost: ~$66 / mo
1
Total Outbound Sends
100% Top of Funnel
2,000 prospects
2
Estimated Opens
~55% benchmark open rate
1,100 opens
3
Total Replies
~5% overall response rate
100 replies
4
Positive Interested Leads
1.5% positive reply rate
30 leads
5
Qualified Meetings Booked
Your Monthly Target
15 meetings
6
Projected Closed Won Deals
Based on 20% win rate & $10k ACV
2 Deals (~$20,000)

How It Works in 3 Simple Steps

01

Target Meetings

Enter desired monthly qualified meetings.

02

Benchmark Rates

Input your expected reply rate and meeting booking conversion.

03

Infrastructure Blueprint

See required inboxes, domains, and safe daily send thresholds.

Pro Tips for Maximum Performance
  • Distribute volume across 2 to 3 secondary domains with 2 inboxes each.

Frequently Asked Questions

Never exceed 30 to 40 cold emails per inbox per day to maintain pristine deliverability.

Related Free Outbound Tools

Domain Health Checker

Score your sending domain in one click: MX, SPF, DKIM, DMARC, BIMI, and MTA-STS, with copy-paste DNS fixes for anything that fails.

ICP Generator

Turn your offer into a focused ideal customer profile: who to target, why now and who to skip.

Value Proposition Generator

Turn a vague offer into six sharp reasons to care, ready for your site and your outreach.

Want Guaranteed Pipeline Without Running Tools Manually?

Koravio builds, verifies, and runs end-to-end autonomous outbound infrastructure that books 15–30 qualified B2B meetings per month on 100% pay-on-performance.

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