IIS – Echange 2013 -SMTP Error: Could not authenticate

  • Hi,

    I have configured IIS 8.5 with worpdress.
    The server is hosted locally on our LAN, and we have exchange 2013.
    I am using the correct username & password, but still getting SMTP Error: Could not authenticate.

    Is there anything to be dont on the exchange 2013 level or IIS of the webserver.

    Please guide

    thanks.

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