Browse the Mail Guardian URL at http://mailguardian.com.hk and enter your credential.
If you are an Administrator, your will be asked to choose which account to access. Administrator can see all email logs of the organization.
To manage personal blacklist/ whitelist, click “Filter Rules” on the left top bar
Select “Domain Blacklist” or “Domain Whitelist”. Click “Add” to enter the email address or domain. (Once enter the email address or domain in the domain blacklist/ whitelist, all the receivers in the company will be affected)
Domain Blacklist: Block all the email address or domains in the list
Domain Whitelist: Release all the email address or domain in the list