If not, a third party service may be needed to track your email read receipts. If you've already sent that email, sorry folks, it's too late. Yesware, for example, lets you sign up for free and ...

But the fact is, Superhuman is far from from the only company quietly surveilling your email habits. Though it's relatively unheard of for an email platform to offer this level of tracking by ...

the greater the chance that subscribers will leave your email to visit the Web version. And if subscribers go to the Web version, you can't track via email analytics where they clicked or where they ...