Why mail from a stranger stays sealed
Spam and phishing both rely on the same quiet assumption: that your inbox will happily show you a message from someone you’ve never met, as if it were as trustworthy as a note from a friend. For decades, email’s default has been to let strangers straight in.
We think that default is backwards. So in DMCN, mail from someone new arrives — but it does not open. You see who is writing and what it is about; the message itself stays sealed until you decide, and nothing in it can act on you in the meantime.
A small pause, a big shift
From there you make one of two simple choices. Trust the sender, and they are added to your contacts — their mail opens straight away from then on. Or block them, and you will not see another message from that address again.
Because DMCN verifies every sender, a blocked address can’t just come back wearing a different name.
That last part matters. On ordinary email, blocking is a game of whack-a-mole: spammers spoof new addresses faster than you can filter them. On DMCN, senders are cryptographically verified, so a block actually sticks. The pause isn’t busywork — it’s the moment you take back control of who reaches you.
Calmer by design
The happy side effect is a quieter inbox. The messages that open are from people you’ve chosen to hear from. Everything else waits, sealed, until you decide. It turns out a little friction, in exactly the right place, makes email feel calm again.