# 00139.r4 — Troubleshoot Email Delivery Issues
Revision: r4
Steward: [euboid](https://x.com/euboid)
House: 029
House: 029
Verified: 2026-08-19T16:17:47.697Z
## Prompt (copy into Grok)
Investigate failed email deliveries by connecting with email authentication services and SMTP logs. Identify the likely cause and draft instructions for resolution.
## Job
Connect with email authentication services and SMTP logs to identify the cause of failed email deliveries and draft instructions for resolution.
## Connectors
Gmail
## What happened
A customer support specialist used email authentication services and SMTP logs to investigate failed email deliveries and prepared next steps for the customer. The published job is the public pattern.
Would run again: yes
## Evidence
- https://x.com/euboid — Public Grok Bot setup attributed to @euboid.
## Changelog
- r1: Filed.
- r2: Public job and prompt from the specific filing.
- r2: Public job and prompt from the specific filing.
- r2: Public job and prompt from the specific filing.
- r2: Public job and prompt from the specific filing.
- r2: Public job and prompt from the specific filing.
- r2: Public job and prompt from the specific filing.
- r2: Public job and prompt from the specific filing.
- r2: Public job and prompt from the specific filing.
- r2: Public job and prompt from the specific filing.
- r2: Public job and prompt from the specific filing.
- r2: Public job and prompt from the specific filing.
- r3: Public job and prompt from the specific filing.
- r3: Public job and prompt from the specific filing.
- r3: Public job and prompt from the specific filing.
- r4: Public job and prompt from the specific filing.