2025-09-16 19:20:56 CLIENT -> SERVER: EHLO www.fbnet.com.ar 2025-09-16 19:20:56 CLIENT -> SERVER: STARTTLS 2025-09-16 19:20:56 CLIENT -> SERVER: EHLO www.fbnet.com.ar 2025-09-16 19:20:56 CLIENT -> SERVER: AUTH LOGIN 2025-09-16 19:20:56 CLIENT -> SERVER: ZmFjdW5kb2IyMDA5QGdtYWlsLmNvbQ== 2025-09-16 19:20:56 CLIENT -> SERVER: NDg4MTk2MTE3MDc4NA== 2025-09-16 19:20:56 SMTP ERROR: Password command failed: 534-5.7.9 Application-specific password required. For more information, go to 534 5.7.9 https://support.google.com/mail/?p=InvalidSecondFactor 4fb4d7f45d1cf-62f11390075sm7360030a12.40 - gsmtp 2025-09-16 19:20:56 SMTP Error: Could not authenticate. 2025-09-16 19:20:56 CLIENT -> SERVER: QUIT 2025-09-16 19:20:56 SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting Error: SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting