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Get a warning for any email addresses you aren't familiar with Familiar Emails Introduction In your inbox, see an icon by email addresses to indicate whether they are familiar or not. This can help reduce security problems like phishing by reminding you to reconsider unfamiliar emails from email addresses. You can mark individual emails as familiar, or many with the * wildcard. Thus, you can use patterns like \*@example.com or \*@\*.example.com to mark many email addresses as familiar. Features Supported Websites • Gmail Edit Familiar Email Addresses • An interface to edit the email addresses which you consider to be familiar Familiar/Unfamiliar Email Address Indicator • An icon appears next to each email address Storage Sync • Options saved for use on any computer Instructions Configure Keyboard Shortcut 1. Click the icon for this extension 2. Click "Keyboard shortcuts" 3. Make a keyboard shortcut for "Big options page" or "Activate the extension" Add Email Address 1. Open the big options page or the popup 2. Go to the field "Add email address" 3. Type in a URL like the following • Normal: `coworker@marketing.example.com` • Wildcard: `*@marketing.example.com` or `*@*.example.com` 4. Hit enter or click the plus button
Jul 8, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.