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