Create the list and import the details of prospect that you would like to suppress.
Steps to create a list :
Marketing > Segmentation > lists > add list
Now Import the prospects :
Admin > Import > prospect
Once the list has been created and the prospects are added to the list we need to create an automation rule.
Steps to create automation rule :
Marketing > Automaton > Automation Rules > Add rule > fill details
Rule :
Match type -> match any
– Prospect list is a member of suppression list
– Prospect default field : Email : contains : “specify restricted domain name”
Action :
Change prospect default fields : field “do not email” : select “do not email”
Save automation rule
