> it can’t be easily extended with security-specific info Just put a public key into the address field, for example. More abuse of field names is good because

> it can’t be easily extended with security-specific info Just put a public key into the address field, for example. More abuse of field names is good because it will keep trip up the bots that use e.g. the address field as a spam mail address or pass it to data brokers. I'd love to see a data broker say "John Doe lives at === BEGIN PGP KEY === 0xA3243ABC3F... Do you want to dox them? Yes/No" and more spam mailers waste their money attempting to send ad mailers to "=== BEGIN PGP KEY === ..."