On 25 Nov 2019, at 22:53, lists wrote:
Security is privacy.
More precisely: Security includes privacy. Privacy is an essential *PART OF* security.
The remit requested by the OP is really too broad to answer on a public mailing list intended for discussion of a specific MTA (even though Postfix would be a likely component...) because it could have very different answers depending on the specific needs of a site and issues like scale, threat model, risk tolerances, and available resources.
-- Bill Cole b...@scconsult.com or billc...@apache.org (AKA @grumpybozo and many *@billmail.scconsult.com addresses) Not For Hire (currently)
