[randompeach]

SMIME will become PQC as well as GPG (as of my knowledge).

SMIME will also get an ACME standard for issuing. Including a handful of CAs that will likely issue free Certificates for it.

[vednig]

But SMIME is has single point of failure which is always a bad thing, with AI advancements in reverse engineering and hacking this can be automated with sophisticated brute force to gain access to singular systems.