SMTP Password is empty? No
Mail error: SMTP error: expected 235, got 535. Response: 535-5.7.8 Username and Password not accepted. For more information, go to
535 5.7.8  https://support.google.com/mail/?p=BadCredentials 98e67ed59e1d1-3a6d432fc0dsm3506244a91.7 - gsmtp