OL2000: (IMO) Messages Set to Be Broken Apart Are Not Reassembled Correctly (268618)

NOTE: These procedures only apply if you have installed Outlook with the Internet Mail Only option. To determine your installation type, click About Microsoft Outlook on the Help menu. If you have the Internet Mail Only option installed, you see "Internet Mail Only".

For information about the differences between Microsoft Outlook and Microsoft Outlook Express e-mail clients, click the following article number to view the article in the Microsoft Knowledge Base:

257824 OL2000: Differences Between Outlook and Outlook Express

SYMPTOMS

When you send a large message that your e-mail server breaks into multiple parts, or if you specify that the messages are broken apart, Outlook recipients may not receive a correctly re-assembled message.

CAUSE

Break apart messages is not supported by the IMAP4 transport for any installation type of Outlook. This is a limitation of the IMAP4 transport.

RESOLUTION

Use Outlook Express with its POP3 Internet mail transport or use the Internet Mail Only installation of Outlook and its POP3 Internet mail transport to properly assemble messages that are broken apart.