# MachineMail Blog

> Notes from the team building MachineMail: email for AI agents, and the trust layer that keeps the inbox from hijacking them.

Source: https://machinemail.dev/blog/
Feed: https://machinemail.dev/blog/rss.xml

- 2026-10-19: [A 1px font hid a whole password reset](https://machinemail.dev/blog/one-pixel-font.md) by MachineMail Team. An agent asked X for a reset code. The email passed every check, and our trust layer showed the agent an empty message. Here is why, and what we changed.