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Various Ways To Fix Outlook Error 0x800ccc79

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Over the past few days, some of our readers have encountered a known error code with outlook erro 0x800ccc79. This problem can arise for several reasons. Let’s discuss this now.

 

 

When sending messages using an Outlook Express account, you may receive error code “0x800CCC79” and an error message stating that your email could not be sent due to Simple Mail Transfer Protocol (SMTP) Relay blocked with error code “0x800CCC79” might look like this:

“The message could not be sent because the server refused to one of the recipients. Rejected email address: ““. Subject: ““, Account: ““, Server: ““, Protocol: SMTP, Server Response: “550 â € â Relay denied “€ œ, Port: 25, Security (SSL): No, Server Error: 550, Error Number: 0x800CCC79”

NOTE. The exact error message may differ depending on your ISP. Some ISPs may not return an error message if outgoing messages are detected as unwanted commercial email (such as spam or spam). In this case, the message looks like a sendIt is sent normally and appears in your sent articles, but the message is never actually delivered to the recipient.

    • Internet Service Provider Conflict
    • ISP Restrictions on Email Forwarding

Let’s discuss these errors in more detail and find a possible solution.

There are two instances of configuration that can cause Outlook error 0x800CCC79:

  • You are connected to a local area network (LAN) via an Internet gateway. However, messages are sent through the ISP’s SMTP gateway.
  • You are connected to an ISP, but messages are being sent through the SMTP gateway of another ISP.
  • In both of the above cases, your email may be rejected due to a conflict with your ISP.

    Solution. To resolve this issue, you need to change your email account settings and specify the SMTP server used in your region as follows:

    Reason 2 – ISP Restrictions On Pbroadcasting Emails

    Network administrators restrict their SMTP mail servers to prevent unauthorized users from misusing the mail server. However, these restrictions can also lead to “Outlook error 0x800CCC79”. Some of the restrictions of internet service providers in use today:

    a. SMTP Authentication – Just like you need to use a password to access your POP3 server (inbound) for your emails, you also need to enter a username and password to send emails through the SMTP server. …
    Decision. Change your Outlook Express account settings. To do this, make sure the “My server requires authentication” checkbox is selected.

    b. Network Authentication – requires authentication from an authorized network location .

    Solution. If you connect to the ISP’s network through a private network, you will need authorized credentials.

    in. Static IP address or range of IP addresses. Network connections have dynamic IP addresses. Hence, you cannot be sure that you will have the same IP address every time you connect to the network.

    Solution. Make sure you connect to your ISP’s (outbound) SMTP server using a static IP address or IP range.

    Pack your bags!

    erro 0x800ccc79 outlook

    Sending email via Outlook Express may result in “Outlook error 0x800CCC79”. This error usually occurs when the outgoing (SMTP) server refuses to forward an email without authentication. Hope the solutions in this article can help you fix Outlook error 0x800CCC79.
    If the error persists, try other workarounds:

      • Check your network connection.
      • Check your email account settings.
      • Delete suspicious emails.
      • Make sure your anti-virus Software has no compatibility issues.
      • Recover your Outlook Express account.

    Users can also browse our email recovery and conversion tools.

    Click here to see – Stellar Repair for Outlook and Stellar Converter for OST.

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