Yes, they are in different domain, different networks and different sites and not VPN. It is not secure. That is way I want to have a secure SMTP session between them. -----Original Message----- From: Stelley, Douglas [mailto:dstelley@xxxxxxx] Sent: Tuesday, January 27, 2004 10:15 AM To: [ExchangeList] Subject: [exchangelist] RE: Secure Communication http://www.MSExchange.org/ Assuming for a moment that these 2 exchange servers are in different domains, in different networks, how about a site to site VPN tunnel between the 2? It's secure. -----Original Message----- From: John Tolmachoff (Lists) [mailto:johnlist@xxxxxxxxxxxxxxxxxxx] Sent: Tuesday, January 27, 2004 10:09 AM To: [ExchangeList] Subject: [exchangelist] RE: Secure Communication http://www.MSExchange.org/ Here is my response: I do not know. John Tolmachoff Engineer/Consultant/Owner eServices For You > -----Original Message----- > From: Huang, Li-Ming [mailto:li-ming.huang@xxxxxxxxxxxx] > Sent: Tuesday, January 27, 2004 5:41 AM > To: [ExchangeList] > Subject: [exchangelist] RE: Secure Communication > > http://www.MSExchange.org/ > > I haven't received any answers on this one yet. Please response! > > -----Original Message----- > From: Huang, Li-Ming > Sent: Friday, January 23, 2004 2:11 PM > To: [ExchangeList] > Subject: [exchangelist] Secure Communication > > http://www.MSExchange.org/ > > Hi All, > > Is there any way we can set up a secure SMTP communication channel > between Exchange 5.5 IMS server and Exchange 2000 SMTP server? > > Thanks. -LiMing > > > > ------------------------------------------------------ > List Archives: > http://www.webelists.com/cgi/lyris.pl?enter=exchangelist > Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp > Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ > ------------------------------------------------------ > Other Internet Software Marketing Sites: > Leading Network Software Directory: http://www.serverfiles.com > No.1 ISA Server Resource Site: http://www.isaserver.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 > ------------------------------------------------------ > > ------------------------------------------------------ > List Archives: > http://www.webelists.com/cgi/lyris.pl?enter=exchangelist > Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp > Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ > ------------------------------------------------------ > Other Internet Software Marketing Sites: > Leading Network Software Directory: http://www.serverfiles.com > No.1 ISA Server Resource Site: http://www.isaserver.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 > ------------------------------------------------------ ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ Other Internet Software Marketing Sites: Leading Network Software Directory: http://www.serverfiles.com No.1 ISA Server Resource Site: http://www.isaserver.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 ------------------------------------------------------ Confidentiality Notice: The information contained in this message may be legally privileged and confidential information intended only for the use of the individual or entity named above. 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Thank you. ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ Other Internet Software Marketing Sites: Leading Network Software Directory: http://www.serverfiles.com No.1 ISA Server Resource Site: http://www.isaserver.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 ------------------------------------------------------