You can automatically assign tickets from a specific email with a specific subject to an agent or group of choice using automation rules. Below are the steps to enable that;
- Go to Admin > Automation & Productivity > Automations > Workflow Automator.
 - Click on New Workflow > Event Based Workflow.
 - Provide a Name and description to your new workflow.
 - Set the Event as Ticket is raised.
 -  Drag and drop a Condition block and set the following two conditions,
- Ticket Fields.From Email is and provide the specific email address.
 - Ticket Fields.Subject contains and provide the text to look for from the email subject.
 
 - Drag and drop an Action block, set the action as Assign to Group, and choose the specific group you want to assign the tickets.
 - Save and Activate your workflow.
