How do I add an email filter?
Go to Settings > Filters > Add new filter. Define the criteria, choose the actions, and click Save.

Go to Settings > Filters > Add new filter. Define the criteria, choose the actions, and click Save.
Email filters allow you to do a number of things with incoming email messages based on the criteria you define. For example, you can automatically create a contact from incoming email, move email to another folder, assign contact to a group or automatic email campaign, trigger an autoresponder, etc.