Hi dcarfan,
Thank you for using the Support Forum. Please take a look at the Note: at the beginning for this solution. TLS is not an option on the WorkCentre 6400. If you require further information please consider contacting your support centre for further assistance.
Hello. Is it possible to enable TLS for email communications on the Workcenter 6400? I see this option on the Workcenter 4250, but not the 6400. Thank you.