Donorbox has the ability to send automated emails to honorees for donations that have been made in honor/in memory of someone.
Here's how you can enable this feature.
Log into your Donorbox Dashboard. Then, click the “Edit” link next to the campaign form that you want to enable the In Honor/In Memory Of feature on.
Go to the “Custom Fields” tab. Enable the toggle labelled “Donation in honor of & in memory of“.
To automatically send email notifications, enable the toggle option “Send automated in honor/memory email”, as shown below.
Use the email editor to customize the subject line and body of the email that will be sent out. Hit the 'Save' button when you're done.