Customer relation Management (CRM)

Features

User Login and Registration - user verification through email functionality.
Customer Information Screen - Add/Delete/Update Customer information(Name, email, phone, address, GST No., frequency of automated reminder)
CRM Screen - For each of the customer, a contact screen has been made where the user can see the history of past communications. He can add the communications made with timestamp information, conversation information. Also there should be a functionality to directly send mail to the customer from the app itself.
Automated mail scheduling - setting up a mail scheduler which sends a mail of the past conversations with the user at a given number of days.

Mongodb databse
Authentication using JSONWebToken with email verification.
In app mail sending usign nodemailer with automated reminder mail sending with Kue libarary for Job scheduling
Winston logger for logging purposes