Backupify is telling us that the average email account out there is worth about $3,588.85, based on a average number of 5,768 written emails. Just don't get too excited about that number just yet -- No one is going to buy your emails.
The dollar amount refers to time you have invested into writing the mails (an average of 103 seconds per email) as it relates to the average annual salary of $45,230. If you were paid at that rate as an average Gmail user at average salary, to recreate those emails, it would cost $3,588.85. To help you figure out how much your Gmail is worth, there is a calculator to figure it out.
Depending on the result, you are rated as more extroverted or verbose than the typical Gmail user.