SaaS Welcome Email Deliverability: Custom Domain Checklist for Media Contact Routing in Go
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Route each media contact submission by a versioned policy, and record the evidence for that decision before attempting a welcome email or SMS. Compliance evidence is the deciding constraint: a transport acceptance response cannot explain which consent text a visitor saw, why a suppression rule applied, which support queue received the case, or which domain authenticated the message. TL;DR: treat routing, consent, and channel eligibility as one deterministic decision whose inputs and policy vers