The longer-form sibling of the transactional email — a masthead, stacked story blocks and a footer, on the same table scaffolding.
Open standalone
examples/raw/newsletter.html
That the system reads at length in a medium with no cascade. Every colour is on-palette and inlined; the rhythm comes from table cell padding rather than margins, because margin collapsing is not reliable across clients.
Colour literals are forced and correct. The type sizes are hand numbers that happen to look right, and nothing currently checks them against the ramp.