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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: webmaster@example.org

Specifications

Specification Title
RFC 7231, section 5.5.1: From Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support Yes Yes Yes Yes Yes Yes
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support Yes Yes Yes Yes Yes Yes Yes

See also

Étiquettes et contributeurs liés au document

Étiquettes : 
Contributeurs à cette page : fscholz, Jeremie
Dernière mise à jour par : fscholz,