Re: [Gnus 5.2.14] message-make-sender

[Richard Pieri <ratinox@unilab.dfci.harvard.edu>]

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>>>>> "MT" == =?ISO-2022-JP?B?GyRCPGkyLBsoQiAbJEJDTkknGyhC?= / MORIOKA
>>>>> Tomohiko <morioka@jaist.ac.jp> writes:

MT>   Thanks for your kind answer. Please confirm again.
MT>   In my Emacs, (system-name) returns "is28e1s91", so message.el adds
MT> 	Sender: morioka@is28e1s91
MT> Of course, it is not valid mail address.

Actually, it is a valid local mailbox, which is what matters, in this
instance.

MT> I think Sender field is to identify the agent responsible for
MT> sending message, and it seems not enough to identify the agent.

'morioka@is28e1s91' certainly does identify you well enough for anyone
on is28e1s91, which is what matters.

MT>   By the way, (system-name) should return FQDM?

That is FQDN, fully qualified domain name.  And no, system-name returns
the name of the machine you are running on.  Not all machines are
connected to the Internet, thus not all machines will have a fully
qualified domain name.  To force system-name to return a meaningless
value is... meaningless.

Richard> No, that is the Reply-To: header.
MT>   My from field is valid, so I does have such kind of problem.

But what you described is the Reply-To: header, which must be a valid
Internet address, and is used when replies are to be directed to someone
other than the originator (From:) of a message.

MT>   My question is
MT> 	Sender: morioka@is28e1s91
MT> is valid or not.

According to RFC822, which defines the use of the Sender: header, this
is a valid Sender: header.

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