Show HN: I wrote an email app that accepts only one sender per inbox

Re:Show HN: I wrote an email app that accepts only one sende... by mkirsten on Wednesday October 14, 2026 @02:42PM (#50092820)

Nice and looks helpful. It’s crazy when you think about it - email is so prevalent in our lives, yet the scope of innovation last 20 years is that we can react to an emails with emojis.

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Re:Show HN: I wrote an email app that accepts only one sende... by mahboi on Wednesday October 14, 2026 @03:25PM (#50093547)

If anyone is reacting to my emails, I'm not seeing it, might be some vendor-specific thing. Which is fine, I don't want that.

What I really want is for unauthenticated senders to be reliably blocked. Even Gmail/Gsuite will allow spoofed emails from the same domain, though it may flag them as spam. I get that there are special circumstances where a legitimate sender can't authenticate itself, but that's their problem.

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Re:Show HN: I wrote an email app that accepts only one sende... by edpin2000 on Wednesday October 14, 2026 @02:58PM (#50093089)

That's so true. Gmail used to be cool, now it's old and clunky and their "unsubscribe" feature does not do that reliably. I want to tackle that next, look at domains that continue to email people after they unsubscribe.

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