Issue in sending email with pdf attachment using Postman Mandrill.

  • I am using Postman SMTP 1.7.2 with Mandrill API. HTML text email functionality working perfectly. I am facing problem to send the email with attachment PDF file. we try to figure out this issue.

    PHP Warning: json_encode(): Invalid UTF-8 sequence in argument in /home/…../public_html/……./wp-content/plugins/postman-smtp/Postman/Postman-Mail/mailchimp-mandrill-api-php-da3adc10042e/src/Mandrill.php on line 99

    Please help me to resolve the issue. If there is any example to send an email with attachment PDF file using Postman Mandrill API.

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