Actually, its one copy per server containing a mailbox in the distribution. That's important to remember when dealing with multiple servers.
-------------------------------------------------------------- Roger D. Seielstad - MTS MCSE MS-MVP Sr. Systems Administrator Inovis Inc. > -----Original Message----- > From: Robert Moir [mailto:[EMAIL PROTECTED] > Sent: Monday, December 15, 2003 5:33 AM > To: Exchange Discussions > Subject: RE: Impact of sending attachment to many recipients? > > > As Tony says, search under Single Instance Storage (aka SIS) for the > techie explanation. > > In the case your friend cites, he's wrong. What will happen > is that your > mail gets sent to 1000 people, and there is one copy of it. Now if one > of them opens that mail and annotates it with their thoughts > on what you > said, and then saves it, then the server will hold one copy of his > altered mail for him and 1 other copy for the other 999 people. > > > -- > Robert Moir > Microsoft MVP > Senior IT Systems Engineer > Luton Sixth Form College > RM Eunt Domus > > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > > Sent: 14 December 2003 10:55 > > To: Exchange Discussions > > Subject: Impact of sending attachment to many recipients? > > > > > > Hi, > > > > Let's say a user sends a 1Mb attachment by email to 1000 > > people, does it add 1000Mb to the Exchange Database? > > > > I put out a post like this before & the replies were negative. > > > > But now a friend pointed out that a recipient who has a > > mailbox on the Exchange Server could for example open this > > email & change it. > > > > Then save it (i.e. the email was changed). > > > > So he's saying that this shows that each person gets their > > personal copy of the email. > > > > Therefore, the 1Mb attachment in the email to 1000 people > > DOES increase the Exchange Database size by 1000Mb. > > > > Pls. can you shed some light on this discussion for us? > > > > I'd appreciate some official article from Microsoft (e.g. > > Technet) to prove my point. > > > > Help!!!!! > > > > Thanks in advance. > > > > Pls. Cc all replies to me on: [EMAIL PROTECTED] > > > > _________________________________________________________________ > > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > > Web Interface: > > http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&t > ext_mode=&lang=english > To unsubscribe: mailto:[EMAIL PROTECTED] > Exchange List admin: [EMAIL PROTECTED] > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Web Interface: > http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&t ext_mode=&lang=english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang=english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]