Microsoft KB Archive/255261

= OL2000: Using Microsoft Outlook with Different Mail Transport Systems =

PSS ID Number: 255261

Article Last Modified on 9/12/2003

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The information in this article applies to:


 * Microsoft Outlook 2000

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This article was previously published under Q255261



NOTE: If you install and run MSN Explorer version 6, your MSN POP3 e-mail account will be migrated to an MSN Hotmail account. If you have Outlook and Outlook Express configured for POP3, you will no longer receive your new MSN e-mail messages.

For additional information about what to do when Outlook does not receive MSN e-mail messages, click the following article number to see the article in the Microsoft Knowledge Base:

268732 OLEXP: Outlook Does Not Receive MSN E-mail Messages

To view a Microsoft Support WebCast about what to do if you cannot receive your MSN e-mail messages in Outlook or Outlook Express, visit the following Microsoft Web site:

http://support.microsoft.com/servicedesks/webcasts/wc011901/wcblurb011901.asp



SUMMARY
Although Outlook is optimized for use with Microsoft Exchange Server, you can use Outlook with various mail transport systems. You can also use Outlook without a mail transport system and still take advantage of its personal information management features.

Outlook is designed to work with any Messaging Application Programming Interface (MAPI) compliant mail provider. However, several MAPI compliant mail transport systems do not support all of the MAPI specification necessary to successfully run Outlook. Using a limited MAPI compliant mail system with Microsoft Outlook is not supported by Microsoft; you must contact the vendor of the mail system for technical support.



MORE INFORMATION
The table in this section shows the mail transport systems that Microsoft supports with the use of Outlook. Depending on the mail transport system you use, some Outlook features may not be available. Only the Microsoft Exchange Server mail transport system allows you to use the entire Outlook feature set.

Mail Service              Outlook Setup Option Internet E-Mail           Corporate or Workgroup (CW) and Internet Mail Only (IMO)

Microsoft Mail            Corporate or Workgroup (CW). You may need to                           install Windows messaging files. See the "Reference" section of this article.

Microsoft Exchange Server Corporate or Workgroup (CW) Outlook support for       Corporate or Workgroup (CW) Download the most Lotus cc:Mail             current Vendor Independent Messaging (VIM) .dll files from the Lotus Support File Library at: http://ftp.support.lotus.com/ftp/pub/comm/ccmail/dev_tools/

