Many corporate email services allow you to include requests that you have read the letter recipient and return appropriate notification to the sender. Unfortunately, Gmail still does not include a convenient feature by default, but you can solve the problem with the help of a special extension for Chrome.
MailTrack - small and very simple extension for the Chrome, Gmail is added to the interface familiar to us by modern messengers checkmark indicating successful delivery and reading of the letter.
The method used MailTrack to obtain confirmation of the reading, it is standard. The letter is included tiny image, the reference to which it is easy to track and notify the sender. The method is bad that does not work in cases where the recipient mailer blocks the display of images in the message body.
Besides the fact reading MailTrack determines the type of device from which the first time with an open letter.
After installing the extension attentive user will notice that sent the letters began to appear a small signature discreetly advertises MailTrack. You can remove it manually before sending the letter, but it is much more convenient to disable this option. To do this, go
here and remove the checkmark from the Signature item.Price: 0