Overview The ‘Error 534-5.7.9 Application-specific password required’ issue often occurs on sites attempting to send emails with the Other SMTP mailer. It indicates that your account is missing the required application-specific password for authentication. Causes This error typically occurs when: Two-factor authentication (2FA) is enabled on your email account Your email provider requires app-specific passwords […]
Error 535: Authentication Failed: Incorrect Login Credentials
Overview The ‘Error 535’ issue often occurs on sites attempting to send emails through an SMTP server. It indicates the credentials you used to set up your SMTP plugin are invalid. Causes This error typically occurs when: The email account password has been changed recently The username (often the email address) is entered incorrectly The […]
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