- Plesk Onyx
- Plesk for Linux
According to the Plesk documentation page , SRS (Sender Rewriting Scheme) is available for Plesk Onyx and above, but only when Postfix mail server is using
Are there plans to add SRS support for Plesk installations running a Qmail mail server?
There is no plan to add SRS support for Qmail. New features for Qmail mail server are not developed anymore.