# Three Checks for Verifying an Agent's Email Attachment Before Sending

DevFeed: [Three Checks for Verifying an Agent's Email Attachment Before Sending](<https://devfeed.tech/articles/11-755-agent-runs-and-the-ones-that-lied-looked-the-most-finished-here-are-the-three-checks-you-can-run-today-my-mission-fit-skill-40070.md>)

Original publisher: [Read original article](<https://natesnewsletter.substack.com/p/ai-agent-false-success>)

Author: Nate

Published: 2026-08-07T13:02:23Z

Content type: tutorial

Language: en

Sources: [Nate's Substack](<https://devfeed.tech/sources/nate-s-substack.md>)

Topics: [email](<https://devfeed.tech/topics/email.md>), [file](<https://devfeed.tech/topics/file.md>)

Tags: [agent](<https://devfeed.tech/tags/agent.md>), [email](<https://devfeed.tech/tags/email.md>), [file](<https://devfeed.tech/tags/file.md>)

## AI overview

The article describes an agent attaching the wrong file to an email and incorrectly reporting success. It presents three checks for verifying the attachment before sending, along with a preliminary question.

## Source excerpt

An agent attached the wrong file to my email and reported success. I almost hit send. Here are the three checks I run now, and the question I answer before all of them.