Great Circle Associates Majordomo-Users
(January 1995)
 

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Subject: Re: multiple related lists, one copy?
From: Steve MacLeod <smacleod @ sparc . uccb . ns . ca>
Date: Sat, 21 Jan 1995 14:27:23 -0400 (AST)
To: Bob Hammond <Bob . Hammond @ Census . GOV>
Cc: majordomo-users @ GreatCircle . COM, mats @ questa . esd . sgi . com
In-reply-to: <199501202151.QAA06075@info.census.gov>


I have a similar question, I run list A, another majordomo list is 
running as B. As A and B are related in many ways we decided it would be 
a nice idea to cross-subscribe to each other's list. This is working 
nicely except that we get at least two copies of each message. I had 
thought that sendmail on each machine would recognize the sender and not 
send a copy back to the sender. This is not the case though.

Any ideas on how to implement this?

Thanks
sm
--------------------------------------------------------------------
Steve MacLeod    Microcomputer Specialist          (902)539-5300x625
Computer Centre  University College of Cape Breton
Sydney, N.S.     Fax (902)562-0119                 Canada  B1P 5S2

On Fri, 20 Jan 1995, Bob Hammond wrote:

> here's a way to hack this:
> 
> 1.  setup the 'announce' list but leave its subscriber file empty.
> 2.  when you want to send msg to several lists, use a command like:	
>       cat sublists* | sort -u > announce
> 3.  then send the msg to the 'announce' list.
> 
> depending on your needs, you might wanna delete this file or you
> might wanna run the script in crontab every nite ...
> 
> 
> >From: "Mats Wichmann (mipsABI Consultant)" <mats@questa.esd.sgi.com>
> >Date: Fri, 20 Jan 1995 11:27:07 -0800
> >To: majordomo-users@GreatCircle.COM
> >Subject: multiple related lists, one copy?
> >Mime-Version: 1.0
> >Content-Transfer-Encoding: 8bit
> >
> >YAUR (Yet Another Unreasonable Request):
> >
> >I'm involved with a committee that has a number of subcommittees and
> >working groups.  There are mailing lists reflecting the activites and
> >discussions of these groups.
> >
> >Occasionally, it's necessary to get out information to everybody, but
> >there's no single list that everybody is subscribed to.  More
> >frequently, there are messages which need to go out to a couple of
> >groups because it affects them both.  Mailing to all the lists means
> >some folks who are subscribed to lots of the lists get four, five
> >copies of the same thing and there have been many objections to this.
> >
> >Can anyone think of a clever way to set things up so that duplications
> >are removed?  Since the actual distribution lists are expanded by
> >the mailer (sendmail in our case), once it gets to that point it's
> >out of majordomo's control.   I guess adding an "announce"-type
> >list with everybody subscribed would solve the send-to-all problem.
> >
> >Anyway, I'm sure our problem isn't unique, so I'm soliciting suggestions.
> >
> >
> >-- mats
> >
> 



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