On 11/30/2011 13:32, Georgi Meyer wrote: > Hi, > > I have a question concerning two lists that I have and I have about 20 people > subscribed to both lists. When a mail is sent to one list at a time the > subscribers get the mail as expected. When a mail is sent to both lists the 20 > subscribers only receive one list. Now to my understanding Listserv doesn’t > filter out addresses unless it is setup in the tree structure that allows > filtering. We currently don’t have a tree structure setup in our listserv. How > would the listserv filter the addresses from the two lists? In the log file I > see that the mail was sent to the 20 people from both lists but they did not > receive the mail twice. > > Is my assumption correct? > The most likely explanation is that the second copy of the single message is being filtered as a duplicate, based on the message-id, by the recipients' email service provider(s) and/or email clients. Gmail does this. There may be other providers who do this, as well. -- Paul Russell, Senior Systems Administrator OIT Messaging Services Team University of Notre Dame ############################ To unsubscribe from the LSTSRV-L list: write to: mailto:[log in to unmask] or click the following link: http://peach.ease.lsoft.com/scripts/wa.exe?SUBED1=LSTSRV-L&A=1