Problem
The Reply-To email address in ServiceTitan correspondence is linked to a former employee. This needs to be updated to ensure proper communication with customers.
Solution
Follow the steps below to solve the issue.
Update your business unit settings
Go to the top toolbar and click Settings
. In the side panel, click Operations > Business Units.
Find the specific business unit for which you need to change the email.
Look for the email field in the Details tab.

Update the email address to the correct one.
Review all business unit settings to ensure all emails are correct.
Check for any other deactivated user emails in other business units.
Update any other outdated email addresses found.
Save the changes.
Test the update by sending a test email to confirm the changes.