Have an interesting issue at a site..
When people send mail to incorrect email addresses & get a bounce.... they then click forward to send this on to internal contact (same exchange)
Thats when the message changes to Chinese and sometime random characters.... attached photo
Outlook 2013 running on 2008r2 terminal server
Clustered exchange 2013 SP1
Hyper V environment
Thank you for the Comments
We were able to resolve this issue by running the below windows update For Outlook 2013
Besides backup, any IT division should have a disaster recovery plan. You will find a few tips below relating to the development of such a plan and to what issues one should pay special attention in the course of backup planning.
To show how to generate a certificate request in Exchange 2013. We show this process by using the Exchange Admin Center.
Log into Exchange Admin Center.: First we need to log into the Exchange Admin Center.
Navigate to the Servers >> Certificates…
This video shows how to quickly and easily add an email signature for all users on Exchange 2016. The resulting signature is applied on a server level by Exchange Online.
The email signature template has been downloaded from: