401 unauthorized forbidden

  • I got this error on WP Mail SMTP. all my details are correct but still i get this error
    Can anyone give solution how can i resolve this error..

    —— Error Log ——
    Versions:
    WordPress: 6.0
    WordPress MS: No
    PHP: 7.4.29
    WP Mail SMTP: 3.4.0

    Params:
    Mailer: mailgun
    Constants: No
    Api Key / Domain: Yes

    Debug:
    Email Source: WP Mail SMTP
    Mailer: Mailgun
    401: Unauthorized
    Forbidden

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