Email accessibility in 2026 is broken in ways that are measurable and documented. Sidebar's technical audit maps the senders, platforms, and email clients that define the modern inbox, and the picture is not flattering.

The value is in the methodology. Audits like this one expose specific failure points across rendering engines, client behavior, and sender-side negligence. The gap between what gets sent and what gets received remains wide, and this report names names.

If you work in email infrastructure, deliverability, or front-end rendering, the full audit is the artifact worth reading. The summary will not be enough.

[READ ORIGINAL →]