Sila ikut arahan yang diberikan untuk permasalahan :-
Emel tidak boleh dihantar
Kandungan emel tidak boleh dibaca
Keluar error 400 (bad request)
Di bawah disertakan cara untuk clear cache and cookies pada web browser Clear cache and cookies on Google Chrome CARA CEPAT = Tekan ( Ctrl + Shift + Del )
On your computer, open Chrome.
On your browser toolbar, click More More > Tools > Clear Browsing Data.
In the "Clear browsing data" box, click the checkboxes for Cookies and other site data and Cached images and files.
Use the menu at the top to select the amount of data that you want to delete. Choose beginning of time to delete everything. Note: This option does not appear on all devices.
Click Clear browsing data.
Clear cache and cookies on Internet Explorer CARA CEPAT = Tekan ( Ctrl + Shift + Del )
Select Tools > Internet Options.
Click on the General tab and then the Delete... button.
Make sure to uncheck Preserve Favorites website data and check both Temporary Internet Files and Cookies then click Delete.
Clear cache and cookies on Mozilla CARA CEPAT = Tekan ( Ctrl + Shift + Del )
Click the menu button and choose History.
Select Clear Recent History then clear now
Clear cache and cookies on Safari 8.0 - 10.0 (Mac)
Click Safari in the upper left hand side of your screen. In the menu that appears, click Preferences.
In the window that appears, click the Privacy tab. Click the button Remove All Website Data....
Click Remove Now in the pop up window that appears.
To clear your DNS cache if you use Windows, perform the following steps:
Click Start.
Enter cmd in the Start menu search text box.
Right-click Command Prompt and select Run as Administrator.
Run the following command: ipconfig /flushdns. If the command succeeds, the system returns the following message: