If you have an email field available on a custom object Ascendix Search allows the option to the email from that object.
Step 1. Click on the gear icon in the top right next to the pop-out window icon to open Ascendix Search Setup.
Step 2. From the Asendix Search Setup go to the Configuration tab and select the Email subtab then select + Add Object.
Step 3. Select those objects you want to be able to email to and Save when done.
Now, you can send mass emails to the added objects!
Watch the video to see how you can send mass emails with Ascendix Search: