@khairulasyraf-alfarabi-gmail-com

Hello myViewBoard user and welcome onboard. Over 3 millions users around the world has discovered a new way for Hybrid and Distance teaching.

Your question is related firewall/mail server. Please ask your school IT admin to whitelist "myviewboard" domain from the email server and allow port 443.
Alternatively, you could try activate our software by using the network connection shared by your hotspot from a mobile device.

MW