Cold Email Infrastructure Cost Calculator

Calculate your total monthly cost for domains, inboxes, and Smartlead.

MonthlyAnnual

Emails per month

100500,000

Domain cost (per year)

Inbox cost (per month)

Infrastructure Required

Domains

Inboxes

5,400

Email capacity/mo

3 inboxes per domain · 10 emails per inbox per day · 30 days/month

Domains (6 × $10.00/yr)

$5.00/mo

Inboxes (18 × $3.50/mo)

$63.00/mo

Smartlead Basic Plan

Smartlead · Up to 6,000 emails/mo

$39.00/mo

Smartlead Lead Finder

$59.00/mo

Total Monthly Cost

$166.00

Total Annual Cost

$1,992.00/yr

Prices based on Smartlead.ai, Namecheap, and Premium Inboxes as of Feb 2026.