You can write a program to override the LoadLeveler default mail notification method. You can use this program to, for example, display your own messages to users when a job completes, or to automate tasks such as sending error messages to a network manager.
The syntax for the program is the same as it is for standard UNIX mail programs; the command is called with a list of users as arguments, and the mail message is taken from standard input. This syntax is as follows: