Great Circle Associates Majordomo-Users
(September 1996)
 

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Subject: Re: Merging 2 liststs
From: Kevin Kelleher <kevink @ concorde . com>
Date: Tue, 17 Sep 1996 17:36:23 -0400 (EDT)
To: majordomo-users @ greatcircle . com
In-reply-to: <x7afuo7tme.fsf@unilab.dfci.harvard.edu>



> >>>>> "PGDoEH" == Peter GU Dept of Education HKU <H9290037@hkucc.hku.hk>
> >>>>> writes:
> 
> PGDoEH> We're currently planning to merge a Majordomo list and a
> PGDoEH> LISTSERV list that share a similar focus. I would appreciate it
> PGDoEH> if you could offer us some advice as to how best we can do this.
> 

Here is an idea:

1. Subscribe to both lists.

2. Install procmail where you have your mail account.

3. Make a procmail recipe that will do this:

   if the mail is for either list
      if the mail doesn't have an X-Loop header
          add X-Loop header
          send to the other list
      end if
   end if


So, if you get a post from the majordomo list, you tack on the extra
header and send it off to the listserv list.  When it comes back to you,
it gets discarded because of the X-Loop header, and you don't even see it.

When mail arrives from the listserv list, the same thing happens.

Nobody will notice the extra header, and you don't have to pay extra
postage for it, either.

All this is invisible to you; you can set it up so that you actually
only receive mail from one list, although procmail is shuffling both
in the background.

Kevin Kelleher <kevink@concorde.com>



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