Cold email infrastructure calculator
Estimate how many domains and email accounts you need to hit your daily send targets, plus a ballpark cost for running cold outreach safely.
Your Targets
300 / day
Assumptions
- • 25–30 emails per inbox per day (safe limit; we use 28)
- • 3 inboxes per domain
- • $7/mo per inbox (Google Workspace)
- • $15/yr per domain
- • $30/mo warmup tool
- • Sending tool from $50/mo
Infrastructure & Cost Estimate
11
Email Accounts
4
Domains Needed
6,600
Monthly Volume
$162
Est. Monthly Cost
Inbox costs (monthly)$77
Domain costs (monthly)$5
Warmup tool (monthly)$30
Sending tool (from, monthly)$50
One-time setup$600
Estimated first-year total
$2,544
Excludes Tachyonwave management fees and data tools. Sending tool cost is a starting estimate and can rise with volume.
Ready to fill your B2B pipeline?
Book a free consultation with Tachyonwave. We'll audit your outreach potential and map a lead generation plan tailored to your ICP.