BSNL broadband subscribers can open the BSNL email box in the office software- Outlook. In email, the clients receive an email's detailed information on the POP server(incoming mail server), SMTP server(outgoing mail server), so a username and password is a must.BSNL has various servers for both outgoing and incoming mail. According to the location of the user, the server is assigned. Thus, to configure the email in office software, the POP server and SMTP server details should be provided accordingly. The login details should also be checked in BSNL web mail.