# What this PR does
This PR adds some more depth to the documentation regarding the setup of
the "Inbound Email" integration.
In particular it references the setup requirement in the integration
documentation and also outlines the requirements for the secret syntax
and usage in the process.
## Which issue(s) this PR fixes
https://github.com/grafana/oncall/issues/3015
## Checklist
- [x] Unit, integration, and e2e (if applicable) tests updated
- [ ] Documentation added (or `pr:no public docs` PR label added if not
required)
- [ ] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required)
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