Gmail Address Checker
You need to confirm you want to send mail
Gmail Address Checker is a Chrome extension by vtr1000f.firestorm.blue. It had 30,000+ weekly active users and an average rating of 4.07 before it was removed from Chrome Web Store 4 months ago. Gmail Address Checker is similar to Gmail送信前チェッカー and GMailSend Address Checker. The last published version was 0.1.1, updated 8 years ago.
Add the transmission error prevention features with Gmail. You can check displays a confirmation dialog of destination, subject, attachment to e-mail before sending. When you install the extension, Gmail "send" button becomes the "Confirm" button, you will need to verify your email before sending. Display the bottom of the dialog the "Ok" button if you check all the check box of each To, Cc, Bcc, Subject, Attached.