I would still call it 'the spec' though because the RFC doesn't mean shit when incumbent mail providers are refusing to modernise email. The spec is just the mo

I would still call it 'the spec' though because the RFC doesn't mean shit when incumbent mail providers are refusing to modernise email. The spec is just the most compatible way to send an HTML email. All that's required is a static subset of CSS that omits stuff like dynamic imports, the use of `url` in any attribute, animations and transitions, but allows for better layout options than tables and inline style tags.