Mailmark is an email tool for SaaS, business, and email-focused audiences that need campaign or deliverability-related workflows under a subscription model. It fits creators, bloggers, and agencies with audiences interested in email, SaaS, or business tools. Approved affiliates earn 30% recurring commission on every customer payment for as long as the account stays subscribed. Its affiliate program offers plan-level earning examples, a 90-day cookie, monthly payouts on the 15th, PayPal or bank transfer payments, a $50 minimum payout, and restrictions around bidding on branded paid search terms.