If you want to try a secure messaging protocol based on tried-and-tested mail + gpg.
My new #deltachat instance is now up at https://vinculum0.net
Powered by Hetzner in Europe.
Admin is nostr:npub1...
i read this some days ago. haven't looked to deep into #deltachat and i use #pgp still myself from time to time. but could be relevant:
https://soatok.blog/2026/01/04/everything-you-need-to-know-about-email-encryption-in-2026/
https://soatok.blog/2026/01/04/everything-you-need-to-know-about-email-encryption-in-2026/
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