BrassfernStart a project
Tag

#product-engineering

1 piece filed under “product-engineering”.

Engineering · 5 Nov 2025 · 11 min

Transactional email is a product surface: engineer it like one

SPF, DKIM and DMARC without tears, email HTML that survives Outlook, suppression lists, and why templates belong in CI — email as a product surface.

emaildeliverabilitybackend