[Mailman-Users] Duplicates and list-in-list

Mark Sapiro msapiro at value.net
Sat Nov 13 03:30:50 CET 2004

Allen Watson wrote:

>Suppose I have two mailing lists, ListA and ListB. Some individuals are on
>both lists, but most of the addresses are unique to one or the other list.
>Now, suppose I set up a third list, ListC, that consists of two members:
>    listA at mydomain.com
>    listB at mydomain.com
>What happens to addresses that are on both lists? Do the recipients get two
>copies of everything sent to ListC? Or are duplicates filtered out
>automatically, so each recipient receives just one copy?

Duplicates are not filtered. Those who are members of both listA and
listB will receive two copies of each post to listC.

See FAQ article 3.5 for one way to work around this.

>Mailman FAQ: http://www.python.org/cgi-bin/faqw-mm.py

Mark Sapiro <msapiro at value.net>       The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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