Commentary: Email Authentication and QA Tool Development
10 September 2025
Originally published:
Zendesk News - 10 September 2025
We've got some focused and niche updates this week. ARC still has experimental status with the IEFT (RFC history here) but Zendesk handles a huge quantity of email so implementing features seen in the wild is important.
It's feeling like Zendesk QA (FKA Klaus) is not a priority. A long time ago I did a QA implementation project and evaluated a bunch of tools and I'm sure the competition aren't sitting still. The Tallinn office are recruiting engineers (see) so we will be keeping a close eye on the future of this product.
Tangential but I wrote some notes on the design of the gradients you see on this page and there's a demo gradient comparison tool if you want to play!