Gmail Is Adding Blue Checkmarks to Verify Senders Share May 4, 2023 Dm4r Technology Blue checkmarks used to be a sign of legitimacy, ensuring someone truly is who they say they are. While they have lost their meaning on Twitter, they’re now appearing in Gmail as a method to fight spam and phishing. Read This Article on How-To Geek › Source : Gmail Is Adding Blue Checkmarks to Verify Senders