Hi, So this could be only mail server side. I'll look there. Thanks, Georgi On 11/30/11 11:40 AM, "Pete Weiss" <[log in to unmask]> wrote: > Assuming that the one message is sent to both lists in the same MUA at the > same time > > to: list-a, list-b > > > The sender's message has a (generated) quasi unique message id. E.g., your > message to this list: > > Message-ID: <[log in to unmask]> > > Some receiver mail systems will only display (or perhaps catalog) ONE message > when there are > duplicated messagei-ids. > > /Pete > > ############################ > > 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 ############################ 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