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The From request header contains an Internet email address for a human user who controls the requesting user agent.
If you are running a robotic user agent (e.g. a crawler), the From header should be sent, so you can be contacted if problems occur on servers, such as if the robot is sending excessive, unwanted, or invalid requests.
You shouldn't use the From header for access control or authentication.
| Header type | Request header |
|---|---|
| Forbidden header name | no |
Syntax
From: <email>
Directives
- <email>
- A machine-usable email address.
Examples
From: [email protected]
Specifications
| Specification | Title |
|---|---|
| RFC 7231, section 5.5.1: From | Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content |
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
{{ Compat }}