CMS MSE v4 Onwards:
Crossware Mail Signature for Exchange is only supported Windows Server.
CMS DOM v4 & v5
Crossware Mail Signature versions 4 and 5 is supported on Linux*, Windows and zLinux*
CMS DOM v10
Crossware Mail Signature version 10 is only supported on Windows.
*Note:
Linux
The application will run on RHEL 5 (and above) and SuSE 10 and above.
zLinux
Only 64-bit Lotus Domino is supported.
For a detailed description of the requirements please see System Requirements.
NOTE: Crossware Mail Signature requires the International Components for Unicode (ICU) Option 39, to be installed on the server.