- Plesk Onyx for Linux
- Plesk Onyx for Windows
- Plesk Onyx
MailEnable Standard version 9.00 is installed on the server. Why DKIM support is absent in Plesk > Tools & Settings > Mail Server Settings ?
To provide the DKIM support, Plesk uses the functionality of an external library (Linux) or of the mail server supplied with Plesk (Windows). The mail server requirements are as follows:
- Postfix, Qmail, SmarterMal, IceWarp, MailEnable Professional. Any modern version.
- MailEnable Standard. Starting from version 9.16.
Upgrade MailEnable using this KB article:
For more information about DKIM support refer to the official Plesk documentation: