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Hi, recently WP STMP Lite started giving the below error on our site when we upgraded the server to PHP 8.0. As soon as we revert to PHP 7.4 the error goes away and we can send email again. We are using wordpress version 6. Any ideas?
Heads up! The last email your site attempted to send was unsuccessful.
Email Source: Uncanny Automator
Mailer: Sendinblue
GuzzleHttp requires cURL, the allow_url_fopen ini setting, or a custom HTTP handler.
For more details please try running an Email Test or reading the latest error event.