Hi
Thank you for using the Xerox forum.
Things change in networking that are not always easy to review like DNS routing, Active Directory issues etc.
I would suggest that you review the following solutions to see if they can help highlight and help resolve your issue.
Configure Scan to E-mail Using CentreWare Internet Services (CWIS)
How To Customize the E-mail Smart Key Addresses Using CentreWare Internet Services (CWIS)
If that does not resolve your issue you may consider contacting our specific product support experts at the following link:
Fast Track to the Expert