Brad Knowles wrote: > On 8/7/07, DAve wrote: > >> The client is asking for the ability to manage list messages in a new >> way. We are unable to do so using our current software, ezmlm. Here is >> the scoop. The client has twenty mail lists, and subscribers can sign up >> for any number of lists. The client wants to be able to send a common >> message to some lists without sending duplicate messages if a subscriber >> is on more then one list. > > Mailman is able to eliminate some duplicate messages, depending on the > exact nature of the situation. In particular, if the headers show that > a certain address is a named recipient in the "To:" or "Cc:" headers but > is also a subscriber to the list, then the additional list copy can be > avoided. > > However, one list has no idea what the other lists are doing, or what > traffic may have already been sent through there. So, if the same > message is posted to multiple lists and the same person is subscribed to > multiple lists, then they'd still get multiple copies. I don't see any > obvious way around that problem.
Agreed > >> As we understand it you can have topics, and subscribers will only >> receive messages directed at the topics they subscribe to. This means a >> subscriber could subscribe to [members], [stores], and [retailers], if >> we send a message to [stores] they will receive it. If we send a message >> to all topics, subscribers will receive only one message. This is what >> we want. > > As far as it goes, that sounds correct. > >> However, if we send a message only to [stores] and to [members], >> subscribers will receive two copies. This is not what we want. > > If there's just one list, with multiple topics, then a recipient on that > list should only get one copy of the message, even if they're subscribed > to multiple topics. > > At least, that's the way I understand it. So in the idea of an announcement only list, we should be able to have the list owner post a message to multiple topics, correct? I did not see where cross posting a message to multiple topics within a single list was possible. Do you know if it is? > >> It is not clear to us from the docs or from any information we have been >> able to find. Thanks, > > If I haven't been able to clarify this issue for you, please let me know. > Thank you very much. DAve -- Three years now I've asked Google why they don't have a logo change for Memorial Day. Why do they choose to do logos for other non-international holidays, but nothing for Veterans? Maybe they forgot who made that choice possible. ------------------------------------------------------ Mailman-Users mailing list Mailman-Users@python.org http://mail.python.org/mailman/listinfo/mailman-users Mailman FAQ: http://www.python.org/cgi-bin/faqw-mm.py Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/ Unsubscribe: http://mail.python.org/mailman/options/mailman-users/archive%40jab.org Security Policy: http://www.python.org/cgi-bin/faqw-mm.py?req=show&file=faq01.027.htp