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Date:      Sat, 21 Dec 1996 15:32:32 -0800 (PST)
From:      "Jonathan M. Bresler" <jmb>
To:        garycorc@mail.idt.net
Cc:        hackers@freebsd.org
Subject:   Re: Posting to multiple lists
Message-ID:  <199612212332.PAA07849@freefall.freebsd.org>
In-Reply-To: <32BC6919.9EA@mail.idt.net> from "Gary Corcoran" at Dec 21, 96 05:47:53 pm

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Gary Corcoran wrote:
> 
> Jordan K. Hubbard wrote:
> > 
> > > I fully second your reply. However, if it is really possible to do
> > > what the poster says (configure majordomo not to send duplicate
> > > emails for different mail lists) that is something that would be
> > > useful anyways.
> > 
> > I'm not sure how it could, unless it always just chose the first
> > mailing list as the "target" and then somehow registered this fact
> > so that a reject would occur for any other mailing lists the user
> > tried to post it to.
> > 
> 
> I don't know if it's _practical_ to do this, but sure, send it to
> the first mailing list a recipient is on.  Then, when traversing
> through the next mail list, if a particular recipient has already
> been "tagged", don't send another copy of the email.
> This *would* be a useful feature, both for the poster of the mail
> (who isn't sure which list should get the mail, or who thinks it
>  may legitimately cover several lists), and obviously for the
> subscribers, who won't get the emailboxes clogged with duplicates...
> [sorry, I don't know Perl, which I believe majordomo is written in?]

	sendmail expands the mail aliases, such as freebsd-hackers and 
	freebsd-questions, not majordomo.  by the time the "message" 
	reaches majordomo (actually the resend perl program of majordomo)
	it is already 2 or more separate, distinct messages.

	one might do this by having resend note the Message-id: header
	in a random access data structure stored on disk.  entries
	would be purged after 24 hours, for example.  or one could 
	configure a Message-id: server process that each invokation
	of resend could query.  the resultwould determine whether or
	not the message was killed.

	the correct solution is not a technical one but rather a
	human one.  trim the cc: list.  the original sender may well
	be in the dark as to which list to send his question to.
	the responders should be better informed and trim the cc:
	list accordingly.  (this is my opinion, for what it is worth)

jmb
--
Jonathan M. Bresler           FreeBSD Postmaster             jmb@FreeBSD.ORG
FreeBSD--4.4BSD Unix for PC clones, source included. http://www.freebsd.org/
PGP 2.6.2 Fingerprint:      31 57 41 56 06 C1 40 13  C5 1C E3 E5 DC 62 0E FB



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