That is correct. Depending on which encoding is used, it could add that much. John Tolmachoff MCSE CSSA Engineer/Consultant eServices For You www.eservicesforyou.com > -----Original Message----- > From: Quillman Shawn (RBNA/CIT1.1) * [mailto:Shawn.Quillman@xxxxxxxxxxxx] > Sent: Tuesday, July 22, 2003 2:02 PM > To: [ISAserver.org Discussion List] > Subject: [isalist] OT: Exchange 2000 message size overhead > > http://www.ISAserver.org > > > > Can someone in the E2K world maybe help me verify this? > > "In Exchange 2000, add 33% overhead on each mail message. This is the > amount that the header takes up and the MIME conversation of Exchange steps > in." > > Thus a 3.5ish MB attachment generates a 5ish MB message after mime and > header wrapping? This seems ridiculously high to me. > > -Shawn > > ----- > Shawn R. Quillman > Robert Bosch Corporation RBNA/CIT1.1 > 38000 Hills Tech Drive > Farmington Hills, MI 48331 > (248) 553-1164 (P) (248) 848-2855 (F) > shawn.quillman@xxxxxxxxxxxx > > > ------------------------------------------------------ > List Archives: http://www.webelists.com/cgi/lyris.pl?enter=isalist > ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp > ISA Server FAQ: http://www.isaserver.org/pages/larticle.asp?type=FAQ > ------------------------------------------------------ > Other Internet Software Marketing Sites: > Leading Network Software Directory: http://www.serverfiles.com > No.1 Exchange Server Resource Site: http://www.msexchange.org > Windows Security Resource Site: http://www.windowsecurity.com/ > Network Security Library: http://www.secinf.net/ > Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com > ------------------------------------------------------ > You are currently subscribed to this ISAserver.org Discussion List as: > johnlist@xxxxxxxxxxxxxxxxxxx > To unsubscribe send a blank email to $subst('Email.Unsub')