Rating: 1 star

Does not work! The problem has been known for a long time, but the developer is silent.
Fatal error: Uncaught Error: Call to undefined function Mailster\GuzzleHttp\Psr7\uri_for()
in /home/admin/web/…../public_html/wp-content/plugins/mailster-gmail/vendor/google/auth/src/OAuth2.php on line 1129