Hotfix 0x800ccc78 Outlook 2007

July 15, 2020 by Brayden Callaghan


In the past few weeks, some readers have encountered an error in Outlook 0x800ccc78 2007. This problem can occur for several reasons. We will consider them below.

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Error code 0x800CCC0F is generated when sending emails from Microsoft Outlook. THE MAIN REASON. This error occurs because the mail client (Outlook) cannot contact the MailEnable server. The most likely reason is that the firewall prevents the connection between the client and server.



How Is The 0x800ccc78 Send / Receive Error Displayed?

How do I fix error 0x800ccc0e?

Fix IMAP error -0X800CCC0E in MS Outlook
  1. Check your internet connection.
  2. Check your email account settings in Outlook.
  3. Delete emails if they seem suspicious.
  4. Check your antivirus application and disable it.
  5. Check your firewall settings.
  6. Start Outlook in safe mode.

Suppose you send an important email to the recipient, and Outlook unexpectedly slows down and stops sending messages. At the same time, an error message is displayed on the screen, for example, For example:

Sending error message (0x800CCC78): "The message could not be sent. Check the email address in your account properties. The server replied: 5.0.0. Access is denied".

This error is also known as the Outlook send / receive error 0x800ccc78, which occurred when sending emails or messages through MS Outlook. When this error occurs, most users immediately disable Outlook to fix error code 0x800ccc78, or use the scanpst.exe utility to fix it. But no one knows why this error occurs and how to fix it?

Cause: Outlook error 0x800ccc78 in Microsoft Outlook occurs if something is wrong while sending authentication of email messages or if the SMTP settings (outgoing server) are not verified.

0x800ccc78 outlook 2007

Therefore, compiling and providing accurate server authenticationRa (SMTP) can fix error code 0x800ccc78 in MS Outlook. However, making changes to Outlook settings can be a daunting task for a beginner or someone who does not know them completely. Let's look at instructions for fixing error 0x800CCC78 in Outlook:

How To Fix Error 0x800ccc78 In Outlook

July 2021 Update:

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Alternative method: by enabling the SMTP (outgoing server) setting using the method described above, the Outlook error 0x800ccc78 can be eliminated to some extent. In most cases, this method does not allow you to correctly send / receive e-mail messages, as in MS Outlook there may be several reasons for the error. And sometimes these errors become a serious problem for the Outlook PST data file and may even increase the risk of data loss.



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