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32

answers:

1

When I get an email, there is a header From: in the actual MIME message that specifies who the sender of the email is.

I notice that the format of that particular header is sometimes:

From: [email protected]

or

From: Human Readable Name <[email protected]>

Are these the only ways that standard clients format the From: header? Or are there others I should be aware of?

+2  A: 

They are documented in RFC 2821 and RFC 2822.

And you may also be interested in RFC 2047.

Roland Illig
Could you turn those into links, please? :)
George Edison
It's no big deal. Just thought it would make it a little neater. Thanks!
George Edison