# Page Not Found

The URL `technical-support-center/senders-authorization/how-to-authorize-senders-in-messageflow` does not exist.

You might be looking for one of these pages:
- [How to Authorize Senders in MessageFlow?](https://docs.messageflow.com/email/sender-security/senders-authorization/how-to-authorize-senders-in-messageflow.md)
- [Domains Authorization](https://docs.messageflow.com/email/sender-security/senders-authorization/how-to-authorize-senders-in-messageflow/domains-authorization.md)
- [SPF Record Configuration](https://docs.messageflow.com/email/sender-security/senders-authorization/how-to-authorize-senders-in-messageflow/spf-record-configuration.md)
- [Authorizing domains with web hosts](https://docs.messageflow.com/email/sender-security/senders-authorization/how-to-authorize-senders-in-messageflow/authorizing-domains-with-web-hosts.md)
- [API documentation](https://docs.messageflow.com/technical-support-center/api-documentation.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.messageflow.com/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.messageflow.com/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/email/sender-security/senders-authorization/how-to-authorize-senders-in-messageflow.md`)
- Use `Accept: text/markdown` header for content negotiation