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A comment on Delta Chat – Email Based PGP Encrypted Chat. Parent comment

Re:Delta Chat – Email Based PGP Encrypted Chat by lxgr on Wednesday March 05, 2025 @11:42AM (#43268990)
Yes, it's theoretically possible to adapt many protocols to many use cases, but that doesn't mean it's a good idea. Email and XMPP are just geared towards very different use cases.

In particular, Email has a lot of assumptions about acceptable delivery delays, bidirectional (non-)reachability etc. baked in that would be very hard to globally undo.

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Re:Delta Chat – Email Based PGP Encrypted Chat by immibis on Wednesday March 05, 2025 @02:52PM (#43271427)
As programmers, is it not our natural instinct to create a ChatSystem and MailSystem on top of a GenericMessageDeliverySystem? When did we stop doing that? Creating a brand new GenericMessageDeliverySystem for each purpose comes with substantial costs. We don't reinvent the Internet to create WhatsApp.
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Re:Delta Chat – Email Based PGP Encrypted Chat by lxgr on Wednesday March 05, 2025 @04:58PM (#43273189)
What generic message delivery system are you talking about, though?

SMTP is optimized for the use case of email; XMPP is optimized for one-to-one instant messaging; Matrix is optimized for "Slack-like" chat.

I highly doubt that these three use cases are similar enough to warrant introducing an additional common protocol/layer.

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Re:Delta Chat – Email Based PGP Encrypted Chat by immibis on Thursday March 06, 2025 @08:27AM (#43279942)
Optimized how?
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