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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / How do i resolve the i...
Small and medium business | Business Central, N...
Suggested Answer

How do i resolve the issue of "The SMTP mail system returned the following error: "The remote certificate is invalid according to the validation procedure.".

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Posted on by Sujoy Mandal 5

Is it the problem of Server Certification issue?

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  • Suggested answer
    Inge M. Bruvik Profile Picture
    Inge M. Bruvik 1,105 Moderator on at

    This usually occurs because either,

    certificate is self-signed and not added as a trusted certificate.

    certificate is expired.

    certificate is signed by a root certificate that's not installed on your machine.

    Please check the certificates and let us know. Hope it helps.

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