Yes, you can edit your blog subscription notification emails to set a different from name and email address.
- Navigate to Content > Content Settings.
- Click Blog > Subscriptions in the left sidebar menu.
- Click Edit to the right of the notification email you'd like to edit.
- In the email editor, click Edit details.
- Choose a new From name and email from the dropdowns.
- Click Next through the tabs, review your email, then click Update.