Admin zelda@openweb.co.za tested SMTP connection. Result: Authentication failed for ceo@openweb.email: (534, b'5.7.9 Application-specific password required. For more information, go to\n5.7.9  https://support.google.com/mail/?p=InvalidSecondFactor 98e67ed59e1d1-3158a24bc2fsm47092a91.22 - gsmtp') → Verify username and password are correct