Email-rendering

Published on
February 10, 2026
Email Is Not a Web Page: When the Rendering Engine Is Out of Your Control, Which Layer Should the Visual Contract Live In
.NET Email-Rendering SkiaSharp Outlook Mechanism-Analysis
Starting from the first-principles fact that Outlook lays out HTML with the Word engine, deriving the rendering contract "every visible visual is server-side rasterized into a CID PNG," and dissecting the traps where HiDPI, font fallback, and a silent DB constraint intersect.

Email Is Not a Web Page: When the Rendering Engine Is Out of Your Control, Which Layer Should the Visual Contract Live In