Article ID: 816896 - View products that this article applies to.
IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/256986/EN-US/ )Description of the Microsoft Windows Registry
You cannot download and receive e-mail messages by using Microsoft Outlook, Microsoft Outlook Express, or another POP3 client. The POP3 client may stop responding (hang) or time out when you try to retrieve your messages.
This issue may occur if one or more of the messages contain an incorrect POP3Tail, or termination sequence. As a result, the POP3 client does not detect the termination sequence in the "corrupted" messages and cannot complete the download of other messages to your Inbox.
To work around this issue, set the
CheckPop3Tailregistry value to 1. To do so:
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
The termination sequence for POP3 is CRLF.CRLF, as specified in Request for Comments (RFC) 1939. To view RFC 1939, visit the following Internet Engineering Task Force (IETF) Web site:
Article ID: 816896 - Last Review: June 20, 2014 - Revision: 3.0
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