Support » Plugin: Post SMTP Mailer/Email Log » Suddenly Losing OAuth on multiple sites

  • Resolved dinos6


    We use Postman SMTP pretty much everywhere for our WP sites. We make a free gmail account (or use client’s) and then generate the OAuth keys and, for quite a while, this has been working great!

    Sometime between the 12th and 14th (or later) of July, we’ve had multiple sites stop being able to send emails giving the error Token has been expired or revoked.(invalid_grant)

    I have reauth’d many of these sites personally and while test emails send fine on every site I re-authorize, some afterwards do not send emails on their own anymore. If I go to the log and resend an email, it works fine.

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