How to filter spam emails automatically before they reach your inbox

This task can be performed using Cleanbox

Email aliases, AI spam filtering, and a full SMTP relay

Best product for this task

Cleanbox

productivity

Cleanbox sits between the internet and your inbox. Every incoming email goes through spam scoring, virus scanning, AI classification, and your own rules before delivery. Create unlimited aliases that forward to your real inbox, build custom filters, and use Cleanbox as a complete SMTP relay. Works with Gmail, Outlook, iCloud, Yahoo, or any IMAP provider, no migration needed. Privacy-first: no advertising, no data selling, no user profiling.

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What to expect from an ideal product

1. Cleanbox sits between the internet and your inbox, so every email gets scanned for spam and viruses before it even reaches you
2. You can create unlimited email aliases that forward to your real inbox, keeping your actual address private and away from spammers
3. Built-in AI classification sorts incoming mail automatically, and you can add your own rules on top of that for anything the AI might miss
4. It works with Gmail, Outlook, iCloud, Yahoo, and any other IMAP provider, so there's nothing to migrate or switch around
5. No ads, no data selling, no profiling — your email habits stay yours, which also means less risk of your data being used to target you

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