Windows IT Pro
Windows IT Library
  - Advertise        
Windows IT Pro Logo

  Home  |   Books  |   Chapters  |   Topics  |   Authors  |   Book Reviews  |   Whitepapers  |   About Us  |   Contact Us  |   ITTV  |   IT Jobs

search for  on    power search   help
 






Sending Messages -- Routing and Transport
View the book table of contents
Author: Tony Redmond
Published: October 2000
Copyright: 2001
Publisher: Digital Press
 


TABLE 1: COMPARING THE SMTP SUPPORT IN EXCHANGE 5.5 AND EXCHANGE 2000
Exchange 5.5 Internet Mail Service Exchange 2000 SMTP Service
Add-on connector to the Information Store and MTAIntegrated with the Store
Some use made of ESMTP to extend standard  SMTP capabilitiesExtensive use made of ESMTP to implement RFC-defined extensions and Microsoft extensions such as link state routing. Further extensibility available through transport events.
Single SMTP connection available to a physical server.Multiple SMTP virtual servers can run on a physical server.
Single SMTP address spaceEach virtual server supports a separate address space
Dependent on MX records in DNS to locate other SMTP serversAD used to locate Exchange 2000 servers via the Routing Group Connector; MX records only required to communicate if the SMTP Connector is used.
Single set of configuration optionsEach virtual server can be configured separately
No eventsProtocol events to extend the SMTP protocol Transport events to process messages in progress through the routing engine.



Windows IT Pro Home Register FAQ for Windows WinInfo News
Europe Edition About Us Contact Us/Customer Service Media Kit Affiliates / Licensing  
SQL Server Magazine Office & SharePoint Pro Windows Dev Pro IT Job Hound ITTV
IT Library Technology Resource Directory Connected Home Windows Excavator Windows SuperSite 
 
 Windows IT Pro is a Division of Penton Media Inc.
 Copyright © 2008 Penton Media, Inc., All rights reserved. Terms and Use | Privacy Statement | Reprints and Licensing