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osTicket v1.10 (stable) and Maintenance Release v1.9.15 are now available! Go get it now

authentication failure [SMTP: Invalid response code received from server (code: 534 response: 5.7.14

Google have to allow your app to use your own account, to allow this google provided an easy way, just go to, then click continue, then with 10 min, use your application to try to send email again, and google will remember the application/service and allow your application to access your account as long as you don't change your password.
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