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100% Spam Protection. Take back control of your Gmail™.

Intercept challenges unknown senders and keeps them out of your inbox until they've been verified or you've approved them.

See how it works
Challenge email sent automatically
Tomarcus.chen@protomail.io
ReQuick verification needed
You're reaching a protected inbox. To verify you're a real person, just reply with the answer to this question:
What is 4 + 7?
Just reply with the number — no other text needed.
Cooling Off Queue
3 waiting
Marcus Chen
Quick question about your product
May 19
Awaiting reply
Priya Nair
Partnership opportunity — follow up
May 18
Awaiting reply
Derek Holloway
You won't believe this deal
May 17
Awaiting reply
~120
emails the average person receives per day
92%
are from senders you have never replied to
45 billion
spam emails sent around the world every single day

Three steps to inbox peace

Connect Gmail™

Takes 30 seconds. We never read your emails — only sender metadata.

Unknown Senders Get a Math Challenge

We automatically send unknown senders a simple math question to prove they're human. Until they answer, their email waits in Cooling Off — out of your inbox.

You decide who's in

Whitelist people you want, block who you don't. Auto-block kicks in after 14 days.

Everything you need, nothing you don't

Real-time interception

New emails are held before they reach your inbox

Math challenge emails

Unknown senders get a simple math question — bots can't reply, humans can

Auto-block

Senders who ignore challenges are blocked after 14 days

Whitelist control

One tap to let someone through permanently

Gmail™ labels

Everything is organized in your existing Gmail™

Multi-inbox

Connect multiple Gmail™ accounts

Frequently asked questions

Everything you need to know about how Intercept works.

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