- Plesk Onyx for Windows
Does Plesk Onyx support SmarterMail 14 as a remote mail server?
As a local mail server (installed on the same machine as Plesk) Plesk Onyx supports SmarterMail version from 10 to 15.
As a remote mail server Plesk Onyx supports SmarterMail version 15 or higher. In other words, SmarterMail version 14 is not supported as a remote mail server.
Please refer to Plesk Administrator manual for additional details: