Email Ferret blocks AI cold outreach Gmail misses and sorts mail into smart folders. Review of features, privacy, and $5/mailbox pricing with a 14-day trial.
Researched and fact-checked by Bartu Cavusoglu · Updated October 26, 2026
Email Ferret is a Gmail filter for AI-generated cold outreach. It reads incoming mail, scores how likely each message is to be an automated sales pitch, and labels the ones that are, so the inbox holds mail written for the recipient. It runs in the background on Gmail and Google Workspace accounts, and nothing needs to be installed on the computer.
The product does two jobs. It blocks cold outreach that Gmail's own spam filter lets through, and it sorts legitimate email into more than ten smart folders such as Important, Calendar, Billing, and Recruiting. The company states it never stores email bodies, and every flagged message shows the signals behind its score. Pricing is $5 per mailbox per month after a 14-day trial.
Setup is a Google sign-in using OAuth, with no password shared. Email Ferret creates its labels in the connected account, and filtering starts with the next message that arrives. Each incoming email is scored on more than 15 signals, including sender reputation, domain age, content patterns, and fingerprints of known outreach automation. Messages that score high enough go to a language model for a second check before labeling.
Scoring looks at behavior rather than sender reputation: whether the sender is new with no prior conversation, whether the message uses sales framing and a call to action, whether it fits a timed follow-up cadence, and whether the personalization is generic. Filtering runs on the server, so it applies in the Gmail web interface, on a phone, or in a desktop client.
Every scored message shows the signals that contributed and the resulting score, so a flag can be inspected and disputed. Sensitivity is adjustable per Gmail account, and allowlist and blocklist management are included. One-click corrections feed back into the system, which the company says improves accuracy over time. Flagged mail can be labeled only, archived, or summarized in a daily digest.
On the organization side, legitimate email goes into 10+ folders, including Finance, Socials, News, and Shopping alongside Important, Calendar, Billing, and Recruiting. Folders can be enabled or disabled, and custom folders with user-defined rules are supported. An optional Chrome extension shows scoring inside Gmail and lets users allowlist or block a sender without leaving it. By default Email Ferret only labels mail and never deletes it.
Email Ferret is a Gmail filter for AI-generated cold outreach. It scores incoming mail, labels likely automated sales pitches, and sorts legitimate email into smart folders. It runs on Gmail and Google Workspace accounts with nothing to install.
Email Ferret costs $5 per Gmail mailbox per month after a 14-day free trial. One plan includes all features, and each connected account is billed separately. A Team Plan is listed as coming soon with no published price.
Yes. The 14-day trial gives full access to all features and requires no credit card. Reminder emails are sent 7, 3, and 1 days before it ends, and without a payment method the account expires with no charges.
It reads messages to score them, but analyzes bodies in memory and discards them. Only encrypted subject lines and message IDs are stored, using AES-256-GCM and per-user row-level security. The company says it never sells or shares email data.
Gmail's filter targets phishing, malware, and bulk junk. AI-written cold outreach passes authentication and comes from reputable domains, so Gmail delivers it. Email Ferret scores behavior such as cadence, sales framing, and generic personalization, and shows why each email was flagged.
No. By default it only labels emails, and it never deletes or modifies their content. Users can choose to archive flagged mail or receive a daily digest, and all actions are reversible.
It works with personal Gmail and Google Workspace accounts, connecting through Google sign-in. An optional Chrome extension adds scoring and allowlist controls inside Gmail. No other email providers or integrations are named on the site.
Remove the label and add the sender to the allowlist, and mail from that address will reach the inbox from then on. Because nothing is deleted, the message can be found under its label.