Re: Disable generation of "Sender: " by default.

[Stainless Steel Rat <ratinox@peorth.gweep.net>]

* Per Abrahamsen <abraham@dina.kvl.dk>  on Fri, 15 Dec 2000
| Yep.  But as far as I can see, I don't get a "Sender: " in my mail,
| and I don't understand why.  'message-syntax-checks' is nil, and I'm
| posting from another machine than my mail address.

For mail, a Sender header is manually created by the agent that submits the
message to the network when he is not the person who originated the
message.  Ie, if I write a message and you send it for me, my mailbox goes
in the From header and your mailbox goes in the Sender header.  Gnus does
the right thing by not automatically generating a Sender header for mail.
Lookout! does the wrong thing by using Sender for anything.

News is different.  For news, the Sender header is generated when your From
address does not match your local posting address.  RFC 1036 assumes that
if you are posting from a particular host then you can receive mail at that
host.  The assumption is invalid, but it is in the standard.
-- 
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