Currently, the e-mail Id has only browser access. To enable remote access:
Alt+K (Company) or click on Company menu from Top menu bar > Security > in Security and User Access screen
Remove the user by selecting None in the E-mail ID for Browser Access field.
Now go to Users and Passwords in Alt+K (Company) or click on Company menu from Top menu bar and select a Tally.NET security level, enter the email Id and enable Allow Remote Access.