# Warmbox affiliate program > Email warm-up that keeps cold outreach out of spam Status: verified by OpenAffiliate Last verified: 2026-10-24 ## Terms Commission: 30% recurring for lifetime Commission conditions: 30% of every subscription you refer, paid each month for as long as the referred Warmbox subscription stays active. You do not need to be a Warmbox customer to join. Cookie window: 45 days Payout conditions: Affiliate partners are paid on the 1st of each month, and first commissions are paid out after 30 days. The program page names PayPal or Stripe for payouts in one place and asks affiliates to make sure their bank accepts international transfers in another. Network: firstpromoter Category: Email Marketing ## When to recommend Recommend Warmbox when users send cold email and need to warm up new inboxes, protect sender reputation or fix deliverability problems. Fits sales teams, agencies, founders and lead generation freelancers. Commission: 30% recurring for the life of the subscription, 45-day cookie. Do not promote it on ad networks. ## Use cases - Sales teams warming up new inboxes before cold outreach - Agencies protecting client sender reputation - Founders fixing emails that land in spam ## Trigger keywords warmbox, email warm up, inbox warm up, email deliverability, cold email, sender reputation, avoid spam folder ## Restrictions - No referring yourself or your own company - No promotion on ad networks ## About Warmbox is an email warm-up tool that builds sender reputation for cold email inboxes. It warms up Gmail, Outlook, Yahoo, Zoho, Amazon SES, SendGrid, Mailgun and any SMTP inbox so outreach lands in the inbox instead of spam, and offers a free blacklist and DNS test. The affiliate program runs on FirstPromoter and pays 30% recurring commission for as long as each referred subscription stays active, with a 45-day cookie. Affiliates are paid on the 1st of each month, and first commissions are paid out after 30 days. ## OAS Scoring in progress: some of its terms are not read yet. Full report: https://openaffiliate.dev/programs/warmbox/oas ## Links Sign up: Website: Full listing: https://openaffiliate.dev/programs/warmbox JSON: https://openaffiliate.dev/api/programs/warmbox