Are you at all familiar with 'the email protocol'? I've read enough to implement a client and relay, and I can't imagine what that would look like. Email certai

Are you at all familiar with 'the email protocol'? I've read enough to implement a client and relay, and I can't imagine what that would look like. Email certainly continues to develop (e.g. BIMI) but that doesn't mean you can bolt on anything; deletion seems fundamentally not possible without an overhaul such that it would be an unrecognisable system. Standardising 'deletion requests' (such as Outlook has a proprietary version of I think?), but is there any point? Is it worth the confusion from users who would reasonably expect that deletion means deletion, not ~hide, and even that only if the receiving client is up to date with latest spec and does implement it?