Hi KP, The problem was solved, since send and recipient are all within Exchange. I will explain to the sender that recipient DID receive two copies (sender complained about why ListServ only sent one copy, and ask if there was an option). Shinn On 9/16/2014 9:59 AM, k p wrote: > Hi Shinn, > > It's unclear from your message what you are trying to achieve, or what > you may be complaining about. > > From the information you provided, what would be expected is the > original sender's mail system delivers a copy of the message to the > email service for 'user A' and a copy to the LISTSERV host. Then > LISTSERV will deliver a copy to the email service for 'user A' also - > it does not try to figure out of the user is in a CC or BCC field of > the message too. > > What happens next depends entirely upon the 'user A' email service. > Some services will place both copies in the mailbox for the recipient > to see. Some will recognize the identical message-ID and discard (or > place in the trash folder) one copy of the message (probably the one > arriving later, which is likely to be the one going through LISTSERV). > > So if 'user A' got two copies of the message, that is the normal > behavior. > > If they got only one copy, most likely they are using an email service > that checks for duplicates - this is not a LISTSERV issue. > > > > On 9/16/2014 11:35 AM, Shinn Wu wrote: >> Hi Mark, >> >> But it was ListServ sent unique message-ID to single recipient as I saw >> from gateway (Barracuda) before it reached Exchange (which would >> certainly remove the duplication). I also reviewed the ListServ log and >> maillog, and it only sent single copy even though sender cc: to >> recipient (who belonged to the list). >> >> Shinn >> >> On 9/15/2014 3:39 PM, Mark R. Williamson wrote: >>> That’s almost always something the recipient’s mail system is doing, >>> not LISTSERV. >>> >>> On Sep 15, 2014, at 3:07 PM, Shinn Wu <[log in to unmask]> wrote: >>>> Hello, >>>> >>>> Is there any ListServ option that would allow identical message-ID to >>>> same recipient twice, e.g. could user A get two copies of if I send a >>>> post to list (user A in that list), and cc: to user A? >>>> >>>> I know ListServ would strip out a copy, and only sent one by default. >>>> >>>> Thank. >>>> >>>> Shinn > > ############################ > > 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-PEACH.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-PEACH.exe?SUBED1=LSTSRV-L&A=1