All Officers, JEs and Office Assistants of UPPCL are having official email. It was accessible on the official domain only.  We were able to access it in the office only.
Now, it is made available on the internet also. So, we can access it at home.  We can use any internet browser to open our official mail.
Use this url to open:

https://mail.uppclonline.com/owa

We can also set up our mail to Outlook mobile App. it will notify our new messages.
How to setup UPPCL official mail in Microsoft Outlook App?

• Go the Users & Accounts through settings and Add account.
• Look for Outlook. If you can't find outlook in the list, Download microsoft outlook from Google Play Store
• Use your official email address and password.
  Please note that It is very important to use domain very carefully. it will be

   mail.uppclonline.com