How to create Content Filtering Rules in Smartermail v16(to filter email from certain email address)
Filtering name: Filter By Email
Conditions: From specific email matches xxx@xxx.com
Action: Move to Junk E-mail
Click Save
Note 1: User may always play around with the condition and action to achieve the best filtering for user domain.
Note 2: User are advise to move the email to Junk E-mail before select Discard Messages and monitor for few weeks to check if there is any legitimate being filtered by the filtering rules.