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Outlook and windows live email client program can’t send

Discussion in 'E-mail Discussion' started by arhs, Sep 24, 2015.

  1. arhs

    arhs Well-Known Member

    Jul 4, 2003
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    Number of clients who are using Outlook and windows live email client program can’t send emails.

    Getting the following error message below:

    Task ' - Sending reported error (0x800CCC13) cannot connect to network...

    Task ' - Sending' reported error (0x800CCC0B) : 'Unknown Error 0x800CCC0B'

    They however can receive emails but not send. Mail is just stuck in outbox.

    Before the cPanel update everything was working fine.

    I have disabled the "Introduce a delay into the SMTP transaction for unknown hosts and messages detected as spam" option.

    Please advice?
  2. cPanelMichael

    cPanelMichael Technical Support Community Manager Staff Member

    Apr 11, 2011
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    Root Administrator
    Hello :)

    Are your users sending email over port 25? If so, can these users successfully telnet to your server's IP address over port 25? Are there any error messages in /var/log/maillog or /var/log/exim_mainlog when a user attempts to send an email?

    Thank you.
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