If you want to know if the person whom you sent an email message already read your email, you need to enable the read receipt request. This is simply to notify you if your recipient opened and read your email. NOTE: If you are using an email program for your Gmail, like Mozilla Thunderbird, MS Outlook 2007/2010 or Windows Live Mail, the read receipt feature is readily available in the email program itself. The procedures described here is only to be used when you are using Gmail in a web… Read More
Be informed when your email message sent through Gmail is opened or read
