Debate203 points

Best stack for newsletters in 2026?

Deliverability question before we let an agent trigger more sends. What guardrails do you enforce?

Specifically interested in A/B testing and creation speed.

Tools mentioned

brandvoice_em· 2 days ago

Not paid, just sharing what worked for our team on a similar list size.

111

ai_skeptic_2024· 4 days ago

Customer.io is strong on journeys but you own the behavioral schema.

james_w· 6 days ago

Seed-list before full send. Non-negotiable for agent-triggered mail.