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[xsl] Echoed messages to the list

2014-05-07 16:27:29
Subscribers — 

Some of you have reported that the recent changes to the configuration
of the list have resulted in your getting duplicates of your own 
postings to the list. (Note that others are not getting two copies of
your postings, only the person who sent the message is seeing the 
duplicate.)

After a little investigation I now think I know what is causing
these duplicate messages. 

The “echo” happens when people have their email set up to send 
then a copy of every message sent. So, when you send a message to 
the list you receive a copy from your email. 

Since you are subscribed to the list, a copy is sent to you from 
Biglist (the service that manages lists for Mulberry). In the past,
a filter on your end identified a mis-match between your email 
address and the source of the message and threw away the second 
copy of the message. However, now that the headers on messages 
processed through the list are consistent, you are receiving the 
copy of your message that is going to all subscribers to the list. 

You can tell the difference: messages that have been received by 
the list and re-sent to all list subscribers will: 

 - have a lists.mulberrytech.com message id
 - have the unsubscribe footer
 - be DKIM-signed
 - have several List-* headers 

The list does not have the option not to send postings to the person
who sent them. If this is really troubling to you I suggest setting
up a filter to detect your postings to the list and delete one (but 
probably not both) of them. 

— Tommie

====================================================================== 
B. Tommie Usdin                        
mailto:btusdin(_at_)mulberrytech(_dot_)com
Mulberry Technologies, Inc.                http://www.mulberrytech.com    
17 West Jefferson Street                           Phone: 301/315-9631 
Suite 207                                    Direct Line: 301/315-9634 
Rockville, MD  20850                                 Fax: 301/315-8285 
----------------------------------------------------------------------
Mulberry Technologies: A Consultancy Specializing in XML and SGML               
======================================================================
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