osTicket v1.10 (stable) and Maintenance Release v1.9.15 are now available! Go get it now
Error de Mailer (code: 530)
Incapaz de enviar correo electrónico a través SMTP:192.168.10.5: 25 [email@example.com] Failed to set sender: firstname.lastname@example.org [SMTP: Invalid response code received from server (code: 530, response: 5.7.1 Client was not authenticated)]
How can I solve this problem?