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Re: Duplicate messages on this list

On Tue, Dec 09, 1997 at 01:05:19PM +1100, Tyson Dowd wrote:
cm >> Kai> If you can't get your mailer to reply to From: when you want to,
cm >> Kai> complain to it's programmer - it's broken.

cm >> 	I thought that is the author sets reply-to, then that should
cm >>  be used for replies, and not from. I can reply to from: unless there
cm >>  is a reply-to, when that takes precedence. If people munge reply-to,
cm >>  I'll never knoe, will I?

the rfc says that reply-to will be the address chosen automatically if the
mua decides where to reply to.  However, the rfc is very clear in stating
that you should be able to send mail to any address in the header at
your discretion (that you can choose to send replies to From or Sender
instead.   Errors go to Sender anyway, ignoring reply-to) 
sec 4.4.4

cm >	From: foo@bar
cm >	Reply-To: me@reply.to.address
cm >
cm >Becomes:
cm >
cm >	From: me@reply.to.address
cm >	Reply-To: debian-devel@lists.debian.org
cm >

Assuming no Sender line, or Sender = From,  I beleive that the following 
mapping is compliant with the standard:

>From -> Sender  (Sender is omitted if 
		it is the same as From, 
                but it's not, anymore)
Reply-To -> From (So From, as the rfc wants, shows the
                 which machine the message came from)
Reply-To: debian-foo@...

In other words, 

( reply-to == "debain-foo..." ? noop : 
    (From == Sender || Sender == "") ? 
      Sender = from, from = reply-to, 
      reply-to = debain-foo :
        x-old-sender = sender, sender = from, 
        from = reply-to, reply-to = debain-foo )

Now, the questions are,  Can we do this? and Do we want to do this?

Carl Mummert

One must imagine Sysiphus happy.

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