Cleanbox

What Cleanbox does: sits between the internet and your inbox. Every incoming email goes through spam scoring, virus scanning, AI classification, and your personal rules before reaching you. Works with Gmail, Outlook, iCloud, Yahoo, or any IMAP provider, no migration needed.

What's inside:

Email Aliases — Create addresses like [email protected] (or on your own domain) that forward to your real inbox. Disable any alias in one click when it gets spammy.

Full SMTP Relay — Point your domain's MX records to Cleanbox and every email is scanned before reaching your mail server. ClamAV virus scanning, DNSBL checks (Spamhaus, Barracuda, SpamCop), full rspamd analysis. No other alias service offers this as part of a standard plan.

AI Spam Detection — Combines rspamd's Bayesian classifier with an AI layer that detects brand impersonation, social engineering, and scam structures. Every verdict comes with a plain-language explanation.

Shield — Three per-alias protection layers: rate limiting (cap emails per sender), scheduled delivery (hold emails outside your chosen windows), and whitelist-only mode.

Filters — 10 condition types, regex support, nested ANY/ALL logic, 40+ templates. Test new filters against your past inbox before activating.

Contacts — Every sender automatically categorized into one of 20 categories. Whitelist, prioritize, mute, or block with one click. One-click newsletter unsubscribe via RFC 8058 that actually works.

Cloud — Attachments automatically extracted and stored, organized per sender.

Built over three years from personal frustration with existing tools that promised privacy but felt clunky. Free plan available with 3 aliases. Paid plans start at $5/month, or $3.50/month billed yearly.