{"tool":"cold-email-capacity","input":{"leadsPerMonth":25,"replyRatePct":3,"positiveReplyPct":25,"emailsPerMailboxPerDay":15,"mailboxesPerDomain":3},"result":{"contactsPerMonth":3334,"emailsPerMonth":14003,"sendingMailboxes":43,"sendingDomains":15,"rotationMailboxes":9,"totalMailboxes":52,"totalDomains":18,"scaling":[{"leadsPerMonth":10,"totalMailboxes":21,"totalDomains":7},{"leadsPerMonth":25,"totalMailboxes":52,"totalDomains":18},{"leadsPerMonth":50,"totalMailboxes":102,"totalDomains":34},{"leadsPerMonth":75,"totalMailboxes":154,"totalDomains":52},{"leadsPerMonth":100,"totalMailboxes":204,"totalDomains":68},{"leadsPerMonth":150,"totalMailboxes":306,"totalDomains":102},{"leadsPerMonth":200,"totalMailboxes":408,"totalDomains":136}]},"summary":"For 25 leads a month at a 3% reply rate with 25% positive replies, contact 3,334 new people and send 14,003 emails a month including follow-ups. At 15 cold emails per mailbox per day that takes 43 sending mailboxes on 15 domains, plus 9 pre-warmed mailboxes in rotation: 52 mailboxes on 18 domains in total."}