OL2000: (IMO) Connection Error Using MCI Internet Mail

This article was previously published under Q195502
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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
When you start Microsoft Outlook 2000 or first connect to your MCI InternetMail server, you may receive the following error message:
Dial-up networking settings not valid. Please check your password.
Following this message, you may notice that sent mail does not leave yourOutbox.
This behavior may result from incorrect settings in the Internet mailaccount properties. Follow these steps to troubleshoot this behavior:

  1. In Outlook, on the Tools menu, click Accounts.
  2. Click to select your mail account, and then click Properties.
  3. Under the General tab, type the account name and fill in the user information, including your full e-mail address.
  4. Click the Servers tab. In the Outgoing Mail (SMTP) box type the following, in lowercase:
  5. In the Incoming Mail (POP3) box type the following, in lowercase, where xx is a number from 01-99 assigned by MCI:
    NOTE: If your mail server information is different than that which is shown above, use the server name provided by MCI.
  6. Click to select Log On Using and in the Account Name box, type your account name, which is your e-mail name up to, but not including the @ symbol. In the Password box, type your password.
  7. Click OK. Click Close.
Quit and restart Outlook and send a test message
The MCI Internet Mail system uses one server for receipt of messages and asecond server for sending messages. In the Accounts settings, the POP3server identifies the mail server from which you receive mail. The SMTPserver identifies the mail server from which you send mail.

To obtain your personal MCI e-mail account information call this telephonenumber:


The third-party contact information included in this article is provided tohelp you find the technical support you need. This contact information issubject to change without notice. Microsoft in no way guarantees theaccuracy of this third-party contact information

The product discussed here is manufactured a by vendor independent ofMicrosoft; we make no warranty, implied or otherwise, regarding thisproduct's performance or reliability.

Article ID: 195502 - Last Review: 10/11/2013 15:39:16 - Revision: 1.0

Microsoft Outlook 2000 Standard Edition

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