DealMachine provides the contact information for every property added. This includes email addresses per associated person. To view the email addresses:
Go to Leads and open a lead.
Under Associated Contacts, click the email icon.
Scroll through the other associated contacts by clicking the next dot below the current contact you are viewing or by clicking the arrow button in the lower right corner.
If you are on an old DealMachine plan:
Just go to Leads.
Click View Lead.
Click the "@" icon beside the property owner's name.
Click on the email address that you'd like to edit.
Edit the email.
Click "Save Email Address".