Only if the user is running an RDP session to the server and opening the file via a web session which is part of the RDP connection.
If the user is running SmarterMail's web interface on their own desktop, laptop, tablet, or smart device, then the server is not at risk.
Bruce Barnes
ChicagoNetTech Inc
brucecnt@comcast.net
Phonr: (773) 491-9019
Phone: (224) 444-0169
E-Mail and DNS Security Specialist
Network Security Specialist
Customer Service Portal: https://portal.chicagonettech.com
Website: https://www.ChicagoNetTech.com
Security Blog: http://networkbastion.blogspot.com/
Web and E-Mail Hosting, E-Mail Security and Consulting