E-mail notifications

Symantec NetBackup(tm) 7.0 Administrator's Guide for UNIX and Linux, Volume I
http://www.symantec.com/business/support/index?page=content&id=TECH127081

"...
Before notification emails about backups are sent, the computing environment must be configured correctly.
NetBackup uses the mail transfer agent sendmail to send email notifications.
..."

OR:

Symantec NetBackup(tm) 7.0 Administrator's Guide for Windows, Volume I
http://www.symantec.com/business/support/index?page=content&id=TECH127079

"...
Before notification emails about backups are sent, the computing environment must be configured correctly.
...etc
Choose one or both of the following notification methods:
...etc
Both methods require that the nbmail.cmd script be configured.
..."

[[ Have amended the subject heading for your original post - "netbackup" was a little vague! ]]