Re: Public Key Look Up
Alessandro Vesely <[email protected]>
| Newsgroups | gmane.ietf.smtp |
|---|---|
| Message-ID | <[email protected]> |
On Wed 12/May/2021 18:46:08 +0200 Dave Crocker wrote: > On 5/12/2021 9:31 AM, Valdis Klētnieks wrote: >> Right. Your MX publishes a public key to which it has the corresponding >> private key. It doesn't have to. The mail-based update protocol for wkd[*], for example, is designed to keep the secret key secret. >> This is well understood technology - see any company that intercepts >> https:// and re-encrypts the user-side traffic using their own keys.> > or DKIM. Neither case provides for end-to-end crypto. (Hm... possibly except DKIM for postmaster to postmaster communication, deploying the binary key as OpenGPG. Not an alluring technique.) Best Ale -- [*] https://datatracker.ietf.org/doc/html/draft-koch-openpgp-webkey-service#section-4 _______________________________________________ ietf-smtp mailing list [email protected] https://www.ietf.org/mailman/listinfo/ietf-smtp