Gmail External Sender Alert by UMS Tech labs

Shows Alert in Gmail if the Email participants contains any external domain email address

"Prevent Accidental Data Leaks in Gmail with a Simple, Powerful Warning Alerts. Have you ever accidentally sent a confidential email or an internal document to a client, partner, or personal contact? A single click can lead to embarrassing mistakes or serious data breaches. Gmail External Email Alert acts as your essential safety check, seamlessly integrating into your Gmail interface to stop these errors before they happen. Our extension automatically scans the recipients in the To, Cc, and Bcc fields as you compose an email. If it detects an email address from outside your organization's domain, it displays a clear, unmissable alert, prompting you to double-check before sending. Key Features ⚠️ Automatic External Detection: Instantly identifies and flags any email addresses that are not part of your internal domain. 🎨 Seamless Integration: The alert appears directly within the Gmail compose window, feeling like a native feature without disrupting your workflow. ⚙️ User Preferences: Uses local storage to remember your settings and preferences for a consistent experience across sessions. 🔒 Secure & Private: Your email content is never read. The extension only checks recipient addresses to ensure your privacy and security."