My debug output:
2020-09-25 08:56:12 Could not access file:
2020-09-25 08:56:12 CLIENT -> SERVER: EHLO eugenev.fun
2020-09-25 08:56:12 CLIENT -> SERVER: AUTH LOGIN
2020-09-25 08:56:12 CLIENT -> SERVER: ZXVnZW5lLnZlcHJ5dHNreWlAZ21haWwuY29t
2020-09-25 08:56:12 CLIENT -> SERVER: OXNEU3Fha3Jsd0JuMlRWdg==
2020-09-25 08:56:12 SMTP ERROR: Password command failed:
534-5.7.14
534-5.7.14 Please log in via your web browser and then try again.
534-5.7.14 Learn more at
534 5.7.14 https://support.google.com/mail/answer/78754 p22sm1857696lji.100 - gsmtp
2020-09-25 08:56:12 SMTP Error: Could not authenticate.
2020-09-25 08:56:12 CLIENT -> SERVER: QUIT
2020-09-25 08:56:12 SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting Error