To connect to Mail Express portals using a web browser, JavaScript must be enabled in the browser (Ajax uses JavaScript).
To configure the web browser to work with Mail Express
Internet Explorer:
For Internet Explorer to allow Ajax to run, the following settings must be set under Tools > Internet Options > Security tab > Custom level:
Under ActiveX controls and plug-ins:
Run ActiveX controls and plug-ins: Enable
Script ActiveX controls marked safe for scripting: Enable
Under Scripting:
Active scripting: Enable
Chrome:
Settings > Show Advanced Settings > Privacy > Content Settings > Allow all sites to run JavaScript (recommended) (enabled by default)
Safari:
Preferences > Security (tab) > Web content > Enable JavaScript selected (Enabled by default)
Firefox:
Tools > Options > Content (tab) > Enable JavaScript selected (Enabled by default)