Great Circle Associates Majordomo-Users
(July 1994)
 

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Subject: Update on duplication bug
From: "Robert A. Hayden" <hayden @ vorlon . mankato . msus . edu>
Date: Mon, 18 Jul 1994 19:46:55 +0100
To: Majordomo Users <majordomo-users @ greatcircle . com>

I tried to CC: this from comp.mail.sendmail, but it didn't appear to 
work. 

---------------------------------------------------------------------------

Last week I posted describing a problem I was having with some messages 
mailed to my majordomo lists being suddenly duplicated and send out twice 
with identical headers and only one entry in the sendmail log.  

This is a quick update.

-----------------

I got to wondering if the queueing mechanism might be causing the problem 
(I was running sendmail as "/usr/lib/sendmail -bd -q10m").  I thought 
perhaps that when the queue clearning invoked, the 10-minutes-previous 
incarnation was still running, screwing up locks or somethng and 
duplicating any mail that poured in (ie, sending it to both processes).  
Or perhaps somethign else in there.

So I reset sendmail to run as "/usr/lib/sendmail -bd -q45m".

Now, I am still getting duplicates, but importantly, I am getting fewer 
of them and they are spaced farther apart.

This leads me to believe that something might be incorrect with regards 
to the mechanisms that exist to clear out the queue that causes any mail 
passing through to be duplicated.  

->	UPDATE SINCE ORIGNAL POSTING
->	I tested by sending a message to a mailing list, and then
->	invoking "/usr/lib/sendmail -q", this immediately caused a 
->	second message to get delivered.

I am definately having this problem with majordomo.  I am having 
inconsistent problems with other mail, and I cannot be sure if the 
problem is this bug or simply improper addressing on the part of the 
sender. 

Can anyone thing of what might be causing this problem?  

The system, once again, is Linux 1.1.13 using sendmail 8.6.9

--
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Follow-Ups:
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From: snyderra@dunx1.ocs.drexel.edu (Bob Snyder)
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