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
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|
- A machine-usable email address.
|RFC 7231, section 5.5.1: From||Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content|
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